PRO W6400 vs RX 6600 XT for Blender
Compare PRO W6400 4 GB and RX 6600 XT 8 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RX 6600 XT 8 GB leads the Blender benchmark score by 165.5%.
Fastest in Cycles
RX 6600 XT 8 GB
165% faster than PRO W6400 4 GB
Most VRAM
RX 6600 XT 8 GB
100% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
69% lower rating than RX 6600 XT 8 GB
Cheapest
PRO W6400 4 GB
46% cheaper than RX 6600 XT 8 GB
Best value for money
RX 6600 XT 8 GB
44% better value than PRO W6400 4 GB
GPU comparison
Key specifications for Blender rendering.
| Spec | PRO W6400 4 GB | RX 6600 XT 8 GB |
|---|---|---|
| Lowest price | $248.99 Checked Oct 9, 2026 | $459.00 Checked Oct 9, 2026 |
| Value for money | 1.18 | 1.71 +44% |
| Blender benchmark score | 294.81 | 782.65 +165% |
| VRAM | 4 GB Below Blender’s recommended VRAM | 8 GB Meets Blender’s recommended VRAM+100% |
| System PSU | 250 W Secondary source suggestion−50% | 500 W Manufacturer requirement |
| Performance | ||
| Boost clock | 2321 MHz | 2589 MHz +12% |
| RT cores | 12 | 32 +167% |
| Memory | ||
| Memory bandwidth | 128 GB/s | 256 GB/s +100% |
| 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 −69% | 160 W |
| 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 XT 8 GB
Blender 5.2.0 · 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
RX 6600 XT 8 GB leads by 165.5% in the Renderjuice Blender benchmark model (783 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 160 W for RX 6600 XT 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 XT 8 GB leads the Blender benchmark score by 165.5%.
Fastest in Cycles: RX 6600 XT 8 GB 165% faster than PRO W6400 4 GB.
Most VRAM: RX 6600 XT 8 GB 100% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 69% lower rating than RX 6600 XT 8 GB.
Cheapest: PRO W6400 4 GB 46% cheaper than RX 6600 XT 8 GB.
Best value for money: RX 6600 XT 8 GB 44% 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.