PRO W6400 vs RTX PRO 4500 Blackwell for Blender
Compare PRO W6400 4 GB and RTX PRO 4500 Blackwell 32 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RTX PRO 4500 Blackwell 32 GB leads the Blender benchmark score by 3015.9%.
Fastest in Cycles
RTX PRO 4500 Blackwell 32 GB
3,016% faster than PRO W6400 4 GB
Most VRAM
RTX PRO 4500 Blackwell 32 GB
700% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
75% lower rating than RTX PRO 4500 Blackwell 32 GB
Cheapest
PRO W6400 4 GB
95% cheaper than RTX PRO 4500 Blackwell 32 GB
Best value for money
RTX PRO 4500 Blackwell 32 GB
55% better value than PRO W6400 4 GB
GPU comparison
Key specifications for Blender rendering.
| Spec | PRO W6400 4 GB | RTX PRO 4500 Blackwell 32 GB |
|---|---|---|
| Lowest price | $248.99 Checked Oct 9, 2026 | $4,999.92 Checked Oct 9, 2026 |
| Value for money | 1.18 | 1.84 +55% |
| Blender benchmark score | 294.81 | 9,185.89 +3,016% |
| VRAM | 4 GB Below Blender’s recommended VRAM | 32 GB More capacity for heavy scenes+700% |
| System PSU | 250 W Secondary source suggestion−55% | 550 W Secondary source suggestion |
| Render support | OpenCL | CUDA, OpenCL |
| Performance | ||
| CUDA cores | N/A | 10,496 |
| Boost clock | 2321 MHz | 2407 MHz +4% |
| RT cores | 12 | 82 +583% |
| Tensor cores | N/A | 328 |
| Memory | ||
| Memory bandwidth | 128 GB/s | 896 GB/s +600% |
| Memory type | GDDR6 | GDDR7 |
| Memory bus | 64-bit | 256-bit +300% |
| Platform | ||
| Architecture | RDNA 2.0 | Blackwell 2.0 |
| TDP | 50 W −75% | 200 W |
| 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 4500 Blackwell 32 GB
Blender 5.2.0 · OptiX · 5 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 4500 Blackwell 32 GB leads by 3015.9% in the Renderjuice Blender benchmark model (9,186 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 200 W for RTX PRO 4500 Blackwell 32 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 4500 Blackwell 32 GB leads the Blender benchmark score by 3015.9%.
Fastest in Cycles: RTX PRO 4500 Blackwell 32 GB 3,016% faster than PRO W6400 4 GB.
Most VRAM: RTX PRO 4500 Blackwell 32 GB 700% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 75% lower rating than RTX PRO 4500 Blackwell 32 GB.
Cheapest: PRO W6400 4 GB 95% cheaper than RTX PRO 4500 Blackwell 32 GB.
Best value for money: RTX PRO 4500 Blackwell 32 GB 55% 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.