A2 vs PRO W6400 for Blender
Compare A2 16 GB and PRO W6400 4 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. A2 16 GB leads the Blender benchmark score by 233.4%.
Fastest in Cycles
A2 16 GB
233% faster than PRO W6400 4 GB
Most VRAM
A2 16 GB
300% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
17% lower rating than A2 16 GB
Cheapest
PRO W6400 4 GB
68% cheaper than A2 16 GB
Best value for money
A2 16 GB
8% better value than PRO W6400 4 GB
| Spec | ||
|---|---|---|
| Lowest price | $770.00 Checked Oct 5, 2026 | $248.99 Checked Oct 5, 2026 |
| Value for money | 1.28 +8% | 1.18 |
| Performance | ||
| Blender benchmark score | 982.86 +233% | 294.81 |
| CUDA cores | 1,280 | N/A |
| Boost clock | 1770 MHz | 2321 MHz +31% |
| RT cores | 10 | 12 +20% |
| Tensor cores | 40 | N/A |
| Memory | ||
| VRAM | 16 GB More headroom for complex scenes+300% | 4 GB Below Blender’s recommended VRAM |
| Memory bandwidth | 200.1 GB/s +56% | 128 GB/s |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 128-bit +100% | 64-bit |
| Platform | ||
| Architecture | Ampere | RDNA 2.0 |
| Render support | CUDA, OpenCL | OpenCL |
| TDP | 60 W | 50 W −17% |
| System PSU | 250 W Secondary source suggestion | 250 W Secondary source suggestion |
| Release year | 2021 | 2022 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
A2 16 GB
Blender 3.5.0 · OptiX · 6 runs
PRO W6400 4 GB
Blender 4.1.0 · HIP · 6 runs
Junkshop
Monster
Classroom
Which GPU should you choose for Blender?
PRO W6400 4 GB (4 GB) meets Blender’s 2 GB VRAM minimum but is below its 8 GB recommendation. Check scene memory needs and GPU compatibility.
Cycles rendering performance
A2 16 GB leads by 233.4% in the Renderjuice Blender benchmark model (983 vs 295). PRO W6400 4 GB (4 GB) meets Blender’s 2 GB VRAM minimum but is below its 8 GB recommendation. Check scene memory needs and GPU compatibility.
VRAM and scene capacity
PRO W6400 4 GB (4 GB) meets Blender’s 2 GB VRAM minimum but is below its 8 GB recommendation. Check scene memory needs and GPU compatibility.
Power ratings and cooling
PRO W6400 4 GB is the lower-power option at 50 W TDP, compared with 60 W for A2 16 GB. If render speed is close, that can make PRO W6400 4 GB easier to cool and run quietly.
Is the upgrade worthwhile?
PRO W6400 4 GB (4 GB) meets Blender’s 2 GB VRAM minimum but is below its 8 GB recommendation. Check scene memory needs and GPU compatibility.
Comparison summary
A2 16 GB leads the Blender benchmark score by 233.4%.
Fastest in Cycles: A2 16 GB 233% faster than PRO W6400 4 GB.
Most VRAM: A2 16 GB 300% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 17% lower rating than A2 16 GB.
Cheapest: PRO W6400 4 GB 68% cheaper than A2 16 GB.
Best value for money: A2 16 GB 8% better value than PRO W6400 4 GB.
PRO W6400 4 GB (4 GB) meets Blender’s 2 GB VRAM minimum but is below its 8 GB recommendation. Check scene memory needs and GPU compatibility.
If you are deciding between these cards for Blender, focus first on Blender benchmark score, VRAM capacity, memory bandwidth, and whether your scenes are likely to benefit more from raw speed or extra memory headroom. The comparison table above keeps those tradeoffs in one place.