Specifications Compared
| Spec | RTX A4500 | RTX A6000 |
|---|---|---|
| TDP | 140W | 300W |
| VRAM | 20 GB | 48 GB |
| CUDA Cores | 6,144 | 10,752 |
| Memory Type | GDDR6 | GDDR6 |
| Architecture | Ampere | Ampere |
| Form Factors | PCIe | PCIe |
| Interconnect | Not published | NVLink |
| Tensor Cores | 192 | 336 |
| FP32 Performance | 19.2 TFLOPS | 38.7 TFLOPS |
| FP64 Performance | Not published | 0.6 TFLOPS |
| Memory Bandwidth | 448 GB/s | 768 GB/s |
| FP16 (vendor figure, sparsity not specified) | 19.2 TFLOPS | 38.7 TFLOPS |
Performance Analysis
Dense FP16 performance measures 19.2 TFLOPS on the RTX A4500 family and 38.7 TFLOPS on the RTX A6000 family. The same dense FP32 figures apply at 19.2 TFLOPS and 38.7 TFLOPS respectively. This twofold difference in dense FP16 throughput allows the RTX A6000 variant to complete matrix operations in half the time during training or inference passes. Memory bandwidth of 448 GB/s versus 768 GB/s directly limits maximum batch size. The higher bandwidth on the RTX A6000 family supports roughly 70 percent larger batches before memory stalls occur. Both families report tensor figures without sparsity so comparisons remain consistent across dense values only.
Current On-Demand Offers
Cheapest secure on-demand offer per provider that is reported in stock right now, per GPU per hour; multi-GPU instances show the whole-instance price alongside. Deploy opens the DeployGPU console for providers on the platform, otherwise the provider's own site. Stock is rechecked every minute.
RTX A4500
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Hyperstack | NORWAY-1 | 1 | $0.15 | — | Deploy |
| Paperspace | ny2 | 2 | $0.76 | $1.52 | Deploy |
2 providers in stock, 7 offers (cheapest per provider shown). All RTX A4500 offers, price history and alerts
RTX A6000
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| LeaderGPU | The Netherlands | 8 | $0.44 | $3.54 | Deploy |
| QuantaCloud | us-midwest-1 | 2 | $0.48 | $0.96 | Deploy |
| Hyperstack | CANADA-1 | 4 | $0.50 | $2.00 | Deploy |
| Massed Compute | us-central-2 | 1 | $0.55 | — | Deploy |
| RunPod | global | 1 | $0.59 | — | Deploy |
6 providers in stock, 47 offers (cheapest per provider shown). All RTX A6000 offers, price history and alerts
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When to Choose the RTX A4500
The RTX A4500 variant with 20 GB GDDR6 suits environments where TDP must stay at 140 W. Its 448 GB/s bandwidth and 19.2 TFLOPS dense FP16 handle moderate batch sizes for models that fit within 20 GB. Deployment in power constrained servers favors this variant over the 300 W alternative.
When to Choose the RTX A6000
The RTX A6000 variant with 48 GB GDDR6 and NVLink interconnect supports models that exceed 20 GB. Its 768 GB/s bandwidth and 38.7 TFLOPS dense FP16 enable larger batches and faster iteration. Workloads requiring the extra memory capacity or NVLink scaling select this variant.
Use Cases
The 48 GB capacity accommodates larger models than the 20 GB limit while 38.7 TFLOPS dense FP16 halves iteration time compared with 19.2 TFLOPS.
Higher memory bandwidth at 768 GB/s sustains larger batch sizes than 448 GB/s and the 48 GB buffer prevents swapping for sequences exceeding 20 GB.
Models under 20 GB run on either variant yet the RTX A6000 variant finishes epochs faster at 38.7 TFLOPS dense FP16.
The 140 W TDP and 20 GB capacity suffice for typical image generation workloads without excess power draw.
NVLink interconnect and 768 GB/s bandwidth accelerate data exchange in multi GPU scientific simulations beyond the capabilities of the 448 GB/s PCIe only variant.
Frequently Asked Questions
What memory capacities distinguish the RTX A4500 20 GB variant from the RTX A6000 48 GB variant?▾
The RTX A4500 variant holds 20 GB GDDR6 while the RTX A6000 variant holds 48 GB GDDR6. Both variants use GDDR6 memory on the Ampere architecture.
How do the dense FP16 figures compare between these two variants?▾
Dense FP16 reaches 19.2 TFLOPS on the RTX A4500 family and 38.7 TFLOPS on the RTX A6000 family. The figures apply equally to dense FP32 performance.
Which variant supports NVLink interconnect?▾
The RTX A6000 variant includes NVLink interconnect. The RTX A4500 variant does not list NVLink support.
What TDP values apply to each family?▾
The RTX A4500 family operates at 140 W TDP. The RTX A6000 family operates at 300 W TDP.
How does memory bandwidth differ between the two families?▾
Memory bandwidth measures 448 GB/s for the RTX A4500 family and 768 GB/s for the RTX A6000 family. These values remain constant across variants within each family.
Do both variants share the same form factor?▾
Both the RTX A4500 20 GB variant and the RTX A6000 48 GB variant use the PCIe form factor.
Which is cheaper to rent, the RTX A4500 or the RTX A6000?▾
Cloud rental prices for both the RTX A4500 and RTX A6000 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 RTX A4500 have compared to the RTX A6000?▾
The RTX A4500 has 20 GB of GDDR6 memory. The RTX A6000 has 48 GB of GDDR6 memory.
Can I find RTX A4500 and RTX A6000 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 RTX A4500 and the RTX A6000?▾
The RTX A4500 uses the Ampere architecture (2021) while the RTX A6000 uses Ampere (2020). The RTX A4500 has 20 GB of GDDR6 at 448 GB/s; the RTX A6000 has 48 GB of GDDR6 at 768 GB/s, so the RTX A6000 has 1.7x the memory bandwidth of the RTX A4500.
Rent these GPUs
Each GPU page lists every current on-demand offer by provider, per GPU-hour, updated every minute.
Related comparisons
How this page is made
- Specifications come from the NVIDIA, AMD and Intel datasheets for the RTX A4500 and the RTX A6000. Dense and sparse throughput are listed separately.
- Prices and availability are live: every offer shown is an in-stock, on-demand listing from a provider we track, rechecked every minute.
- The written comparison (overview, performance notes, when to choose each card, verdict, use cases and FAQ) was drafted with an AI model from the specification table above and passed an automated check that rejects any figure not in that table. It was last generated on . It contains no prices; those are always read live.
- Read how we collect the data, or report an error on this page.
Next steps
- Rent RTX A4000Every current offer by provider, daily price history and a price alert.
- Rent RTX A6000Every current offer by provider, daily price history and a price alert.
- GPU price indexHow on-demand prices for the major GPUs have moved, updated daily.
- All GPUsEvery GPU we track, with current lows and provider counts.