Specifications Compared
| Spec | A16 | MI250X |
|---|---|---|
| TDP | 250W | 560W |
| VRAM | 16 GB | 128 GB |
| CUDA Cores | 2,560 | |
| Memory Type | GDDR6 | HBM2e |
| Architecture | Ampere | CDNA 2 |
| Form Factors | PCIe | OAM |
| Interconnect | Infinity Fabric | |
| Tensor Cores | 80 | |
| FP16 Performance | 4.5 TFLOPS | 383 TFLOPS |
| FP32 Performance | 4.5 TFLOPS | 383 TFLOPS |
| Memory Bandwidth | 231 GB/s | 3,277 GB/s |
Performance Analysis
The MI250X demonstrates overwhelming compute superiority: its 383 TFLOPS in FP16 and FP32 dwarfs the A16's 4.5 TFLOPS, enabling up to 85 times faster matrix operations critical for deep learning. This delta accelerates neural network training, where FP16 mixed precision halves memory usage without precision loss, and FP32 ensures stable gradients. For inference, the higher throughput supports more simultaneous queries on large models. Memory bandwidth defines practical limits: the MI250X's 3277 GB/s versus 231 GB/s allows 14 times larger batch sizes, reducing per-sample latency in training loops and enabling inference on datasets exceeding the A16's capacity. The MI250X's 128 GB HBM2e holds models up to eight times larger than the A16's 16 GB GDDR6, preventing out-of-memory errors in transformer-based workloads. Power draw reflects this: 560W for MI250X versus 250W demands robust cooling but yields proportional gains.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
A16
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
Vultr | 8×NVIDIA A16 64GB VRAM | 64GB | 48 vCPU 496GB RAM 1500GB Storage | Singapore | $0.47/GPU/hr $3.77/hr total (8×) | Available | ||
Vultr | 8×NVIDIA A16 64GB VRAM | 64GB | 48 vCPU 496GB RAM 1500GB Storage | Atlanta | $0.47/GPU/hr $3.77/hr total (8×) | Available | ||
Vultr | 8×NVIDIA A16 64GB VRAM | 64GB | 48 vCPU 496GB RAM 1500GB Storage | Bangalore | $0.47/GPU/hr $3.77/hr total (8×) | Available | ||
Vultr | 2×NVIDIA A16 64GB VRAM | 64GB | 12 vCPU 128GB RAM 700GB Storage | Bangalore | $0.47/GPU/hr $0.94/hr total (2×) | Available | ||
Vultr | 4×NVIDIA A16 64GB VRAM | 64GB | 24 vCPU 256GB RAM 1200GB Storage | Atlanta | $0.47/GPU/hr $1.88/hr total (4×) | Available |
MI250X
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.28/GPU/hr $5.12/hr total (4×) | |||
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.44/GPU/hr $5.76/hr total (4×) | |||
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.52/GPU/hr $6.08/hr total (4×) | |||
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.60/GPU/hr $6.40/hr total (4×) |
When to Choose the A16
The A16 excels in budget-conscious deployments requiring modest compute. Its pricing from $0.47 per hour across 74 offers provides accessibility for small-scale inference or fine-tuning on models fitting within 16 GB VRAM. Lower 250W TDP facilitates integration into edge or dense cloud instances without excessive power costs.
When to Choose the MI250X
Opt for the MI250X when handling large-scale AI workloads demanding high throughput. Its 383 TFLOPS FP16/FP32 performance and 3277 GB/s bandwidth support training massive LLMs or scientific simulations infeasible on the A16. Despite $1.28 per hour pricing across fewer offers, the 128 GB VRAM justifies selection for memory-intensive tasks.
Use Cases
The MI250X's 128 GB VRAM and 383 TFLOPS FP16 performance handle massive datasets and models, enabling efficient large-batch training. The A16's 16 GB limit restricts scale.
MI250X supports high-concurrency inference on large models via 3277 GB/s bandwidth for bigger batches. A16 suits only smaller models within 16 GB.
383 TFLOPS and 128 GB VRAM accelerate fine-tuning of parameter-heavy models. A16's 4.5 TFLOPS proves inadequate for timely iterations.
A16's 16 GB VRAM suffices for image generation at 4.5 TFLOPS, with $0.47 per hour pricing ideal for prototyping. MI250X overkill for typical resolutions.
MI250X's 3277 GB/s bandwidth and 383 TFLOPS FP32 excel in simulations requiring high memory throughput. A16's 231 GB/s limits complex datasets.
Frequently Asked Questions
Which GPU has more VRAM?▾
The MI250X offers 128 GB HBM2e, eight times the A16's 16 GB GDDR6. This enables larger models on MI250X. A16 fits smaller workloads.
How do their prices compare?▾
A16 starts at $0.47 per hour with an average of $0.48 across 74 offers. MI250X begins at $1.28 per hour, averaging $1.46 across 4 offers. A16 provides better value for light tasks.
What is the FP16 performance difference?▾
MI250X delivers 383 TFLOPS FP16, versus A16's 4.5 TFLOPS, a 85-fold advantage. This boosts training and inference speeds significantly. Both match FP16 to FP32 ratios.
Which has higher memory bandwidth?▾
MI250X achieves 3277 GB/s, 14 times the A16's 231 GB/s. Higher bandwidth supports larger batches in ML pipelines. It reduces data starvation.
What are their power consumptions?▾
A16 requires 250W TDP, lower than MI250X's 560W. A16 suits power-sensitive setups. MI250X demands more infrastructure.
Are they from the same generation?▾
Both launched in 2021: A16 on Ampere, MI250X on CDNA 2. Architectural differences favor MI250X for compute. A16 targets graphics versatility.
Which is cheaper to rent, the A16 or the MI250X?▾
Cloud rental prices for both the A16 and MI250X vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the A16 have compared to the MI250X?▾
The A16 has 16 GB of GDDR6 memory. The MI250X has 128 GB of HBM2e memory.
Can I find A16 and MI250X GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the A16 and the MI250X?▾
The A16 uses the Ampere architecture (2021) while the MI250X uses CDNA 2 (2021). The MI250X delivers 85.1x the FP16 throughput and 14.2x the memory bandwidth of the A16.