PRO W6400 vs RX 6600 for Blender
Compare PRO W6400 4 GB and RX 6600 8 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RX 6600 8 GB leads the Blender benchmark score by 155.9%.
Fastest in Cycles
RX 6600 8 GB
156% faster than PRO W6400 4 GB
Most VRAM
RX 6600 8 GB
100% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
62% lower rating than RX 6600 8 GB
Cheapest
PRO W6400 4 GB
46% cheaper than RX 6600 8 GB
Best value for money
RX 6600 8 GB
39% better value than PRO W6400 4 GB
| Spec | ||
|---|---|---|
| Lowest price | $248.99 Checked Oct 2, 2026 | $457.81 Checked Oct 2, 2026 |
| Value for money | 1.18 | 1.65 +39% |
| Performance | ||
| Blender benchmark score | 294.81 | 754.43 +156% |
| Boost clock | 2321 MHz | 2491 MHz +7% |
| RT cores | 12 | 28 +133% |
| Memory | ||
| VRAM | 4 GB Below Blender’s recommended VRAM | 8 GB Meets Blender’s recommended VRAM+100% |
| Memory bandwidth | 128 GB/s | 224 GB/s +75% |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 64-bit | 128-bit +100% |
| Platform | ||
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Render support | OpenCL | OpenCL |
| TDP | 50 W −62% | 132 W |
| System PSU | 250 W Secondary source suggestion−44% | 450 W Manufacturer requirement |
| Release year | 2022 | 2021 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
PRO W6400 4 GB
Blender 4.1.0 · HIP · 6 runs
RX 6600 8 GB
Blender 5.2.0 · HIP · 13 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
RX 6600 8 GB leads by 155.9% in the Renderjuice Blender benchmark model (754 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 132 W for RX 6600 8 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
RX 6600 8 GB leads the Blender benchmark score by 155.9%.
Fastest in Cycles: RX 6600 8 GB 156% faster than PRO W6400 4 GB.
Most VRAM: RX 6600 8 GB 100% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 62% lower rating than RX 6600 8 GB.
Cheapest: PRO W6400 4 GB 46% cheaper than RX 6600 8 GB.
Best value for money: RX 6600 8 GB 39% 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.