AI PRO R9700 vs RX 6400 for Blender
Compare AI PRO R9700 32 GB and RX 6400 4 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. AI PRO R9700 32 GB leads the Blender benchmark score by 1003.2%.
Fastest in Cycles
AI PRO R9700 32 GB
1,003% faster than RX 6400 4 GB
Most VRAM
AI PRO R9700 32 GB
700% more VRAM than RX 6400 4 GB
Lowest power draw
RX 6400 4 GB
82% lower rating than AI PRO R9700 32 GB
Cheapest
RX 6400 4 GB
82% cheaper than AI PRO R9700 32 GB
Best value for money
AI PRO R9700 32 GB
97% better value than RX 6400 4 GB
| Spec | ||
|---|---|---|
| Lowest price | $1,699.99 Checked Oct 5, 2026 | $303.43 Checked Oct 5, 2026 |
| Value for money | 1.96 +97% | 0.99 |
| Performance | ||
| Blender benchmark score | 3,325.13 +1,003% | 301.42 |
| Boost clock | 2920 MHz +26% | 2321 MHz |
| RT cores | 64 +433% | 12 |
| Memory | ||
| VRAM | 32 GB More capacity for heavy scenes+700% | 4 GB Below Blender’s recommended VRAM |
| Memory bandwidth | 644.6 GB/s +404% | 128 GB/s |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 256-bit +300% | 64-bit |
| Platform | ||
| Architecture | RDNA 4.0 | RDNA 2.0 |
| Render support | OpenCL | OpenCL |
| TDP | 300 W | 53 W −82% |
| System PSU | 700 W Secondary source suggestion | 350 W Manufacturer requirement−50% |
| Release year | 2025 | 2022 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
AI PRO R9700 32 GB
Blender 5.1.1 · HIP · 11 runs
RX 6400 4 GB
Blender 4.0.0 · HIP · 9 runs
Junkshop
Monster
Classroom
Which GPU should you choose for Blender?
RX 6400 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
AI PRO R9700 32 GB leads by 1003.2% in the Renderjuice Blender benchmark model (3,325 vs 301). RX 6400 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
RX 6400 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
RX 6400 4 GB is the lower-power option at 53 W TDP, compared with 300 W for AI PRO R9700 32 GB. If render speed is close, that can make RX 6400 4 GB easier to cool and run quietly.
Is the upgrade worthwhile?
RX 6400 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
AI PRO R9700 32 GB leads the Blender benchmark score by 1003.2%.
Fastest in Cycles: AI PRO R9700 32 GB 1,003% faster than RX 6400 4 GB.
Most VRAM: AI PRO R9700 32 GB 700% more VRAM than RX 6400 4 GB.
Lowest power draw: RX 6400 4 GB 82% lower rating than AI PRO R9700 32 GB.
Cheapest: RX 6400 4 GB 82% cheaper than AI PRO R9700 32 GB.
Best value for money: AI PRO R9700 32 GB 97% better value than RX 6400 4 GB.
RX 6400 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.