CMP 30HX vs RX 7900 GRE for Blender
Compare CMP 30HX 6 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 345.6%.
Fastest in Cycles
RX 7900 GRE 16 GB
346% faster than CMP 30HX 6 GB
Most VRAM
RX 7900 GRE 16 GB
167% more VRAM than CMP 30HX 6 GB
Lowest power draw
CMP 30HX 6 GB
52% lower rating than RX 7900 GRE 16 GB
Cheapest
Cannot compare
Price unavailable for some GPUs
Best value for money
Cannot compare
Price or benchmark unavailable for some GPUs
GPU comparison
Key specifications for Blender rendering.
| Spec | CMP 30HX 6 GB | RX 7900 GRE 16 GB |
|---|---|---|
| Lowest price | Price unavailable No current offer matches your preferences. | $989.00 Checked Oct 9, 2026 |
| Value for money | N/A | 3.45 |
| Blender benchmark score | 765.06 | 3,409.28 +346% |
| VRAM | 6 GB Below Blender’s recommended VRAM | 16 GB More headroom for complex scenes+167% |
| System PSU | 300 W Secondary source suggestion−50% | 600 W Secondary source suggestion |
| Render support | CUDA, OpenCL | OpenCL |
| Performance | ||
| CUDA cores | 1,408 | N/A |
| Boost clock | 1785 MHz | 2245 MHz +26% |
| RT cores | N/A | 80 |
| Memory | ||
| Memory bandwidth | 336 GB/s | 576 GB/s +71% |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 192-bit | 256-bit +33% |
| Platform | ||
| Architecture | Turing | RDNA 3.0 |
| TDP | 125 W −52% | 260 W |
| Release year | 2021 | 2023 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
CMP 30HX 6 GB
Blender 4.5.0 · OptiX · 12 runs
RX 7900 GRE 16 GB
Blender 5.2.0 · HIP · 30 runs
Junkshop
Monster
Classroom
Which GPU should you choose for Blender?
CMP 30HX 6 GB (6 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 345.6% in the Renderjuice Blender benchmark model (3,409 vs 765). CMP 30HX 6 GB (6 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
CMP 30HX 6 GB (6 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
CMP 30HX 6 GB is the lower-power option at 125 W TDP, compared with 260 W for RX 7900 GRE 16 GB. If render speed is close, that can make CMP 30HX 6 GB easier to cool and run quietly.
Is the upgrade worthwhile?
CMP 30HX 6 GB (6 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 345.6%.
Fastest in Cycles: RX 7900 GRE 16 GB 346% faster than CMP 30HX 6 GB.
Most VRAM: RX 7900 GRE 16 GB 167% more VRAM than CMP 30HX 6 GB.
Lowest power draw: CMP 30HX 6 GB 52% lower rating than RX 7900 GRE 16 GB.
Cheapest: Cannot compare Price unavailable for some GPUs.
Best value for money: Cannot compare Price or benchmark unavailable for some GPUs.
CMP 30HX 6 GB (6 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.