PRO W6400 vs RTX PRO 4000 Blackwell for Blender
Compare PRO W6400 4 GB and RTX PRO 4000 Blackwell 24 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RTX PRO 4000 Blackwell 24 GB leads the Blender benchmark score by 2134.3%.
Fastest in Cycles
RTX PRO 4000 Blackwell 24 GB
2,134% faster than PRO W6400 4 GB
Most VRAM
RTX PRO 4000 Blackwell 24 GB
500% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
64% lower rating than RTX PRO 4000 Blackwell 24 GB
Cheapest
PRO W6400 4 GB
92% cheaper than RTX PRO 4000 Blackwell 24 GB
Best value for money
RTX PRO 4000 Blackwell 24 GB
79% better value than PRO W6400 4 GB
| Spec | ||
|---|---|---|
| Lowest price | $248.99 Checked Oct 5, 2026 | $3,102.45 Checked Oct 4, 2026 |
| Value for money | 1.18 | 2.12 +79% |
| Performance | ||
| Blender benchmark score | 294.81 | 6,586.97 +2,134% |
| CUDA cores | N/A | 8,960 |
| Boost clock | 2321 MHz +13% | 2055 MHz |
| RT cores | 12 | 70 +483% |
| Tensor cores | N/A | 280 |
| Memory | ||
| VRAM | 4 GB Below Blender’s recommended VRAM | 24 GB More capacity for heavy scenes+500% |
| Memory bandwidth | 128 GB/s | 672 GB/s +425% |
| Memory type | GDDR6 | GDDR7 |
| Memory bus | 64-bit | 192-bit +200% |
| Platform | ||
| Architecture | RDNA 2.0 | Blackwell 2.0 |
| Render support | OpenCL | CUDA, OpenCL |
| TDP | 50 W −64% | 140 W |
| System PSU | 250 W Secondary source suggestion−17% | 300 W Secondary source suggestion |
| Release year | 2022 | 2025 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
PRO W6400 4 GB
Blender 4.1.0 · HIP · 6 runs
RTX PRO 4000 Blackwell 24 GB
Blender 5.2.0 · OptiX · 7 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
RTX PRO 4000 Blackwell 24 GB leads by 2134.3% in the Renderjuice Blender benchmark model (6,587 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 140 W for RTX PRO 4000 Blackwell 24 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
RTX PRO 4000 Blackwell 24 GB leads the Blender benchmark score by 2134.3%.
Fastest in Cycles: RTX PRO 4000 Blackwell 24 GB 2,134% faster than PRO W6400 4 GB.
Most VRAM: RTX PRO 4000 Blackwell 24 GB 500% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 64% lower rating than RTX PRO 4000 Blackwell 24 GB.
Cheapest: PRO W6400 4 GB 92% cheaper than RTX PRO 4000 Blackwell 24 GB.
Best value for money: RTX PRO 4000 Blackwell 24 GB 79% 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.