# Accumulo, Amazon DynamoDB vs Amazon Relational Database Service (RDS) Comparison

| | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Star Rating** | 4.0 out of 5 | 4.4 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 12 | 530 | 907 | 
| **Largest Market Segment** | Small-Business (41.7% of reviews) | Enterprise (34.1% of reviews) | Mid-Market (37.7% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Accumulo

**Not enough data**

### Amazon DynamoDB

Pros:
- Scalability (10 reviews)
- Ease of Use (8 reviews)

Cons:
- Expensive (8 reviews)
- Query Complexity (7 reviews)

### Amazon Relational Database Service (RDS)

Pros:
- Ease of Use (15 reviews)
- Scalability (13 reviews)

Cons:
- Expensive (18 reviews)
- Complexity (7 reviews)

---
## Ratings Comparison
| Rating | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
  | **Meets Requirements** | 8.1 (8 reviews) | 8.7 (379 reviews) | 9.0 (744 reviews) | 
  | **Ease of Use** | 7.5 (8 reviews) | 8.7 (382 reviews) | 8.8 (752 reviews) | 
  | **Ease of Setup** | Not enough data | 8.9 (177 reviews) | 8.9 (528 reviews) | 
  | **Ease of Admin** | Not enough data | 8.8 (164 reviews) | 8.7 (436 reviews) | 
  | **Quality of Support** | 7.1 (8 reviews) | 8.6 (359 reviews) | 8.6 (716 reviews) | 
  | **Has the product been a good partner in doing business?** | Not enough data | 8.9 (155 reviews) | 8.8 (424 reviews) | 
  | **Product Direction (% positive)** | 7.7 (5 reviews) | 9.0 (355 reviews) | 9.5 (704 reviews) | 

---
## Pricing

### Accumulo

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Amazon DynamoDB

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Amazon Relational Database Service (RDS)

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

---
## Features Comparison By Category

### Relational Databases

| Product | Score | Reviews |
|---|---|---|
| **Accumulo** | N/A | N/A |
| **Amazon DynamoDB** | N/A | N/A |
| **Amazon Relational Database Service (RDS)** | 8.8/10 | 468 |

#### Management 

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Schema** | Not enough data | Not enough data | 8.8 (306 reviews) | 
| **Query Language** | Not enough data | Not enough data | 8.9 (310 reviews) | 
| **ACID - Complaint** | Not enough data | Not enough data | 8.8 (295 reviews) | 
| **Data Replication** | Not enough data | Not enough data | 8.9 (304 reviews) | 

#### Support 

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Text Search** | Not enough data | Not enough data | 8.3 (300 reviews) | 
| **Data Types** | Not enough data | Not enough data | 8.7 (312 reviews) | 
| **Languages** | Not enough data | Not enough data | 8.6 (306 reviews) | 
| **Operating Systems** | Not enough data | Not enough data | 8.8 (310 reviews) | 

#### Security

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Database Locking** | Not enough data | Not enough data | 8.6 (299 reviews) | 
| **Access Control** | Not enough data | Not enough data | 8.7 (315 reviews) | 
| **Encryption** | Not enough data | Not enough data | 8.9 (309 reviews) | 
| **Authentication** | Not enough data | Not enough data | 8.8 (312 reviews) | 

#### Performance 

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Disaster Recovery** | Not enough data | Not enough data | 8.8 (305 reviews) | 
| **Data Concurrency** | Not enough data | Not enough data | 8.6 (299 reviews) | 
| **Workload Management** | Not enough data | Not enough data | 8.7 (307 reviews) | 
| **Advanced Indexing** | Not enough data | Not enough data | 8.5 (293 reviews) | 
| **Query Optimizer** | Not enough data | Not enough data | 8.5 (297 reviews) | 

#### Database Features

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Storage** | Not enough data | Not enough data | 9.0 (438 reviews) | 
| **Availability** | Not enough data | Not enough data | 9.2 (438 reviews) | 
| **Stability** | Not enough data | Not enough data | 9.0 (435 reviews) | 
| **Scalability** | Not enough data | Not enough data | 9.2 (425 reviews) | 
| **Security** | Not enough data | Not enough data | 9.1 (432 reviews) | 
| **Data Manipulation** | Not enough data | Not enough data | 8.5 (403 reviews) | 
| **Query Language** | Not enough data | Not enough data | 8.8 (420 reviews) | 

### Key Value Databases

| Product | Score | Reviews |
|---|---|---|
| **Accumulo** | N/A | N/A |
| **Amazon DynamoDB** | 8.7/10 | 147 |
| **Amazon Relational Database Service (RDS)** | N/A | N/A |

#### Data Management

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Model** | Not enough data | 8.4 (130 reviews) ✓ Verified | Not enough data | 
| **Data Types** | Not enough data | 8.4 (132 reviews) ✓ Verified | Not enough data | 

#### Availability

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Auto Sharding** | Not enough data | 8.7 (103 reviews) ✓ Verified | Not enough data | 
| **Auto Recovery** | Not enough data | 8.9 (112 reviews) ✓ Verified | Not enough data | 
| **Data Replication** | Not enough data | 9.1 (114 reviews) ✓ Verified | Not enough data | 

#### Performance 

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Integrated Cache** | Not enough data | 8.5 (101 reviews) ✓ Verified | Not enough data | 

#### Security

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Role-Based Authorization** | Not enough data | 8.9 (119 reviews) ✓ Verified | Not enough data | 
| **Authentication** | Not enough data | 9.0 (118 reviews) ✓ Verified | Not enough data | 
| **Audit Logs** | Not enough data | 8.5 (112 reviews) ✓ Verified | Not enough data | 
| **Encryption** | Not enough data | 8.8 (108 reviews) ✓ Verified | Not enough data | 

#### Support

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Multi-Model** | Not enough data | 8.3 (100 reviews) ✓ Verified | Not enough data | 
| **Operating Systems** | Not enough data | 8.6 (101 reviews) ✓ Verified | Not enough data | 

### Document Databases

| Product | Score | Reviews |
|---|---|---|
| **Accumulo** | N/A | N/A |
| **Amazon DynamoDB** | 8.7/10 | 111 |
| **Amazon Relational Database Service (RDS)** | N/A | N/A |

#### Data Management

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Model** | Not enough data | 8.8 (90 reviews) | Not enough data | 
| **Data Types** | Not enough data | 8.8 (90 reviews) | Not enough data | 
| **Built - In Search** | Not enough data | 8.5 (84 reviews) | Not enough data | 
| **Event Triggers** | Not enough data | 8.5 (74 reviews) | Not enough data | 

#### Availability

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Auto Sharding** | Not enough data | 8.7 (77 reviews) | Not enough data | 
| **Auto Recovery** | Not enough data | 8.9 (80 reviews) | Not enough data | 
| **Data Replication** | Not enough data | 8.9 (83 reviews) | Not enough data | 

#### Performance

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Query Optimization** | Not enough data | 8.4 (87 reviews) | Not enough data | 

#### Security

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Role-Based Authorization** | Not enough data | 8.9 (82 reviews) | Not enough data | 
| **Authentication** | Not enough data | 9.1 (81 reviews) | Not enough data | 
| **Audit Logs** | Not enough data | 8.5 (75 reviews) | Not enough data | 
| **Encryption** | Not enough data | 8.7 (78 reviews) | Not enough data | 

#### Support

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Multi-Model** | Not enough data | 8.5 (70 reviews) | Not enough data | 
| **Operating Systems** | Not enough data | 8.4 (73 reviews) | Not enough data | 
| **BI Connectors** | Not enough data | 8.3 (57 reviews) | Not enough data | 

### Wide Column Database

| Product | Score | Reviews |
|---|---|---|
| **Accumulo** | N/A | N/A |
| **Amazon DynamoDB** | N/A | N/A |
| **Amazon Relational Database Service (RDS)** | N/A | N/A |

#### Storage

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Storage Method** | Not enough data | Not enough data | Not enough data | 

#### Scalability

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Database Scalability** | Not enough data | Not enough data | Not enough data | 
| **Auto Sharding** | Not enough data | Not enough data | Not enough data | 

#### Security

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Order Preserving Encryption** | Not enough data | Not enough data | Not enough data | 

#### Support

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Types Support** | Not enough data | Not enough data | Not enough data | 
| **Different Operating Systems** | Not enough data | Not enough data | Not enough data | 
| **Multi model Database Support** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Wide Column Database

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Database as a Service (DBaaS)

| Product | Score | Reviews |
|---|---|---|
| **Accumulo** | N/A | N/A |
| **Amazon DynamoDB** | 8.8/10 | 188 |
| **Amazon Relational Database Service (RDS)** | 8.7/10 | 281 |

#### Configuration

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Application Performance** | Not enough data | 9.0 (167 reviews) | 8.8 (247 reviews) | 
| **Orchestration** | Not enough data | 8.7 (153 reviews) | 8.4 (242 reviews) | 
| **Database Monitoring** | Not enough data | 8.9 (162 reviews) | 8.6 (251 reviews) | 
| **Anomaly Detection** | Not enough data | 8.4 (131 reviews) | 8.1 (227 reviews) | 
| **Network Security** | Not enough data | 9.0 (142 reviews) | 8.9 (244 reviews) | 

#### Database Administration

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Provisioning** | Not enough data | 8.8 (141 reviews) | 8.8 (242 reviews) | 
| **Governance** | Not enough data | 8.9 (130 reviews) | 8.6 (232 reviews) | 
| **Auditing** | Not enough data | 8.6 (125 reviews) | Feature Not Available | 

#### Availability

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Scalability** | Not enough data | 9.3 (165 reviews) | 9.1 (249 reviews) | 
| **Backup** | Not enough data | 9.0 (158 reviews) | 9.1 (252 reviews) | 
| **Archiving** | Not enough data | 8.7 (145 reviews) | Feature Not Available | 
| **Indexing** | Not enough data | 8.9 (154 reviews) | 8.7 (232 reviews) | 

#### Security

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Masking** | Not enough data | 8.8 (89 reviews) | 8.3 (170 reviews) | 
| **Authentication And Single Sign-On** | Not enough data | 9.0 (102 reviews) | 8.6 (181 reviews) | 
| **Data Anonymization** | Not enough data | 8.8 (91 reviews) | 8.4 (170 reviews) | 

#### Data Management

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Data Replication** | Not enough data | 8.9 (109 reviews) | 8.8 (188 reviews) | 
| **Advanced Data Analytics** | Not enough data | 8.7 (91 reviews) | 8.6 (175 reviews) | 

### NoSQL Databases

| Product | Score | Reviews |
|---|---|---|
| **Accumulo** | N/A | N/A |
| **Amazon DynamoDB** | N/A | N/A |
| **Amazon Relational Database Service (RDS)** | N/A | N/A |

#### Database Features

| Feature | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Storage** | Not enough data | Not enough data | 9.0 (438 reviews) | 
| **Availability** | Not enough data | Not enough data | 9.2 (438 reviews) | 
| **Stability** | Not enough data | Not enough data | 9.0 (435 reviews) | 
| **Scalability** | Not enough data | Not enough data | 9.2 (425 reviews) | 
| **Security** | Not enough data | Not enough data | 9.1 (432 reviews) | 
| **Data Manipulation** | Not enough data | Not enough data | 8.5 (403 reviews) | 
| **Query Language** | Not enough data | Not enough data | 8.8 (420 reviews) | 

---
## Categories

**Unique to Accumulo (2):** [Key Value Databases](https://www.g2.com/categories/key-value-databases), [Wide Column Database Software](https://www.g2.com/categories/wide-column-database)

**Unique to Amazon DynamoDB (3):** [Document Databases](https://www.g2.com/categories/document-databases), [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas), [Key Value Databases](https://www.g2.com/categories/key-value-databases)

**Unique to Amazon Relational Database Service (RDS) (2):** [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas), [Relational Databases](https://www.g2.com/categories/relational-databases)


---
## Reviewer Demographics

### By Company Size

| Segment | Accumulo | Amazon DynamoDB | Amazon Relational Database Service (RDS) | 
|---|---|---|---|
| **Small-Business** | 41.7% | 32.5% | 29.0% | 
| **Mid-Market** | 33.3% | 33.3% | 37.7% | 
| **Enterprise** | 25.0% | 34.1% | 33.4% | 

### By Industry

#### Accumulo

- **Information Technology and Services:** 25.0%
- **Security and Investigations:** 16.7%
- **Computer Software:** 16.7%
- **Computer & Network Security:** 16.7%
- **Marketing and Advertising:** 8.3%
- **Defense & Space:** 8.3%
- **Automotive:** 8.3%

#### Amazon DynamoDB

- **Computer Software:** 27.1%
- **Information Technology and Services:** 16.7%
- **Financial Services:** 7.2%
- **Hospital & Health Care:** 3.2%
- **Banking:** 3.0%
- **Computer & Network Security:** 2.8%
- **Accounting:** 2.2%
- **Marketing and Advertising:** 2.2%
- **Retail:** 2.2%
- **Education Management:** 2.0%
- **Other:** 31.3%

#### Amazon Relational Database Service (RDS)

- **Information Technology and Services:** 22.6%
- **Computer Software:** 17.0%
- **Financial Services:** 6.0%
- **Computer & Network Security:** 3.7%
- **Telecommunications:** 3.2%
- **Hospital & Health Care:** 3.1%
- **Health, Wellness and Fitness:** 2.7%
- **Banking:** 2.5%
- **Retail:** 2.4%
- **Internet:** 2.2%
- **Other:** 34.4%

---
## Alternatives

### Alternatives to Accumulo

- [ScyllaDB](https://www.g2.com/products/scylladb/reviews) — 4.5/5 stars (427 reviews)
- [Redis Software](https://www.g2.com/products/redis-software/reviews) — 4.5/5 stars (134 reviews)
- [Couchbase](https://www.g2.com/products/couchbase/reviews) — 4.3/5 stars (150 reviews)
- [Cloudera Data Platform](https://www.g2.com/products/cloudera-cloudera-data-platform/reviews) — 4.1/5 stars (136 reviews)
- [Arango](https://www.g2.com/products/arango/reviews) — 4.6/5 stars (115 reviews)
- [Amazon ElastiCache](https://www.g2.com/products/amazon-elasticache/reviews) — 4.5/5 stars (87 reviews)
- [Aerospike](https://www.g2.com/products/aerospike/reviews) — 4.4/5 stars (83 reviews)
- [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) — 4.2/5 stars (68 reviews)
- [InterSystems IRIS](https://www.g2.com/products/intersystems-iris/reviews) — 4.6/5 stars (67 reviews)
- [Redis Cloud](https://www.g2.com/products/redis-cloud/reviews) — 4.6/5 stars (44 reviews)

### Alternatives to Amazon DynamoDB

- [Couchbase](https://www.g2.com/products/couchbase/reviews) — 4.3/5 stars (150 reviews)
- [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) — 4.2/5 stars (68 reviews)
- [MongoDB Atlas](https://www.g2.com/products/mongodb-atlas/reviews) — 4.5/5 stars (370 reviews)
- [Redis Software](https://www.g2.com/products/redis-software/reviews) — 4.5/5 stars (134 reviews)
- [Google Cloud Firestore](https://www.g2.com/products/google-cloud-firestore/reviews) — 4.2/5 stars (97 reviews)
- [MongoDB](https://www.g2.com/products/mongodb/reviews) — 4.5/5 stars (557 reviews)
- [Arango](https://www.g2.com/products/arango/reviews) — 4.6/5 stars (115 reviews)
- [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (749 reviews)
- [ScyllaDB](https://www.g2.com/products/scylladb/reviews) — 4.5/5 stars (427 reviews)
- [Google Cloud SQL](https://www.g2.com/products/google-cloud-sql/reviews) — 4.5/5 stars (366 reviews)

### Alternatives to Amazon Relational Database Service (RDS)

- [Oracle Database](https://www.g2.com/products/oracle-database/reviews) — 4.3/5 stars (1010 reviews)
- [IBM Db2](https://www.g2.com/products/ibm-db2/reviews) — 4.1/5 stars (682 reviews)
- [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) — 4.3/5 stars (621 reviews)
- [Google Cloud SQL](https://www.g2.com/products/google-cloud-sql/reviews) — 4.5/5 stars (366 reviews)
- [Azure SQL Database](https://www.g2.com/products/azure-sql-database/reviews) — 4.5/5 stars (241 reviews)
- [EDB Postgres Advanced Server](https://www.g2.com/products/edb-postgres-advanced-server/reviews) — 4.5/5 stars (37 reviews)
- [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) — 4.4/5 stars (2280 reviews)
- [MySQL](https://www.g2.com/products/mysql/reviews) — 4.4/5 stars (1675 reviews)
- [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (749 reviews)
- [PostgreSQL](https://www.g2.com/products/postgresql/reviews) — 4.4/5 stars (679 reviews)

---
## Top Discussions

### Accumulo

- Title: [What is Accumulo used for?](https://www.g2.com/discussions/what-is-accumulo-used-for) — 1 comment
  > **Top comment:** "It is a data storage and retrieval system"
- Title: [Where I can download it](https://www.g2.com/discussions/where-i-can-download-it) — 1 comment, 1 upvote
  > **Top comment:** "Your comment "

### Amazon DynamoDB

- Title: [Which of the following is a feature of DynamoDB?](https://www.g2.com/discussions/which-of-the-following-is-a-feature-of-dynamodb) — 3 comments
  > **Top comment:** "It is document database and it has capacity to scale horizontally more than 10 trillion request per day with peaks greater than 20 million requests per second."
- Title: [What is Amazon DynamoDB describe an application that can benefit from Amazon Dynamodb?](https://www.g2.com/discussions/what-is-amazon-dynamodb-describe-an-application-that-can-benefit-from-amazon-dynamodb) — 3 comments
  > **Top comment:** "Nice"
- Title: [how do i create a amazon dynamodb table locally?](https://www.g2.com/discussions/how-do-i-create-a-amazon-dynamodb-table-locally) — 2 comments, 2 upvotes
  > **Top comment:** "There is no way that you can setup a DynamoDB locally. In fact, there is no AWS service that you can setup locally. 
However, there are some other tools..."
- Title: [What is the most complex usage of dynamodb?](https://www.g2.com/discussions/32345-what-is-the-most-complex-usage-of-dynamodb) — 2 comments, 1 upvote
  > **Top comment:** "G2 is not honest.

I wrote 4 detailed reviews because I should win a $10 Amazon gift card for each review. According to G2 dashboard, my reviews reached..."
- Title: [What kind of database is DynamoDB?](https://www.g2.com/discussions/what-kind-of-database-is-dynamodb) — 1 comment
  > **Top comment:** "In short, Fast, Scalable, Robust NoSQL"

### Amazon Relational Database Service (RDS)

- Title: [What is Amazon Relational Database Service (RDS) used for?](https://www.g2.com/discussions/what-is-amazon-relational-database-service-rds-used-for) — 2 comments, 2 upvotes
  > **Top comment:** "Amazon Relational Database Service (RDS) is a cloud-based service offered by Amazon Web Services (AWS) that is used for managing and operating relational..."
- Title: [An Amazon RDS performance best practice is to allocate enough RAM so that your working set resides almost completely in memory.](https://www.g2.com/discussions/an-amazon-rds-performance-best-practice-is-to-allocate-enough-ram-so-that-your-working-set-resides-almost-completely-in-memory) — 1 comment, 1 upvote
  > **Top comment:** "nice"

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/accumulo-vs-amazon-web-services-aws-amazon-dynamodb-vs-amazon-relational-database-service-rds)