PRO W6400 vs RX 7900 GRE for Blender
Compare PRO W6400 4 GB and RX 7900 GRE 16 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RX 7900 GRE 16 GB leads the Blender benchmark score by 1056.4%.
Fastest in Cycles
RX 7900 GRE 16 GB
1,056% faster than PRO W6400 4 GB
Most VRAM
RX 7900 GRE 16 GB
300% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
81% lower rating than RX 7900 GRE 16 GB
Cheapest
PRO W6400 4 GB
75% cheaper than RX 7900 GRE 16 GB
Best value for money
RX 7900 GRE 16 GB
191% better value than PRO W6400 4 GB
| Spec | ||
|---|---|---|
| Lowest price | $248.99 Checked Oct 5, 2026 | $989.00 Checked Oct 5, 2026 |
| Value for money | 1.18 | 3.45 +191% |
| Performance | ||
| Blender benchmark score | 294.81 | 3,409.28 +1,056% |
| Boost clock | 2321 MHz +3% | 2245 MHz |
| RT cores | 12 | 80 +567% |
| Memory | ||
| VRAM | 4 GB Below Blender’s recommended VRAM | 16 GB More headroom for complex scenes+300% |
| Memory bandwidth | 128 GB/s | 576 GB/s +350% |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 64-bit | 256-bit +300% |
| Platform | ||
| Architecture | RDNA 2.0 | RDNA 3.0 |
| Render support | OpenCL | OpenCL |
| TDP | 50 W −81% | 260 W |
| System PSU | 250 W Secondary source suggestion−58% | 600 W Secondary source suggestion |
| Release year | 2022 | 2023 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
PRO W6400 4 GB
Blender 4.1.0 · HIP · 6 runs
RX 7900 GRE 16 GB
Blender 5.2.0 · HIP · 30 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 7900 GRE 16 GB leads by 1056.4% in the Renderjuice Blender benchmark model (3,409 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 260 W for RX 7900 GRE 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
RX 7900 GRE 16 GB leads the Blender benchmark score by 1056.4%.
Fastest in Cycles: RX 7900 GRE 16 GB 1,056% faster than PRO W6400 4 GB.
Most VRAM: RX 7900 GRE 16 GB 300% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 81% lower rating than RX 7900 GRE 16 GB.
Cheapest: PRO W6400 4 GB 75% cheaper than RX 7900 GRE 16 GB.
Best value for money: RX 7900 GRE 16 GB 191% 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.