CMP 40HX vs RTX 3070 for Blender
Compare CMP 40HX 8 GB and RTX 3070 for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RTX 3070 leads the Blender benchmark score by 152.4%.
Fastest in Cycles
RTX 3070
152% faster than CMP 40HX 8 GB
Most VRAM
Tie
Same memory capacity
Lowest power draw
CMP 40HX 8 GB
16% lower rating than RTX 3070
Cheapest
Cannot compare
Price unavailable for some GPUs
Best value for money
Cannot compare
Price or benchmark unavailable for some GPUs
| Spec | ||
|---|---|---|
| Lowest price | Price unavailable No current offer matches your preferences. | $457.62 Checked Oct 5, 2026 |
| Value for money | N/A | 6.46 |
| Performance | ||
| Blender benchmark score | 1,170.87 | 2,955.85 +152% |
| CUDA cores | 2,304 | 5,888 +156% |
| Boost clock | 1650 MHz | 1725 MHz +5% |
| RT cores | 36 | 46 +28% |
| Tensor cores | 288 +57% | 184 |
| Memory | ||
| VRAM | 8 GB Meets Blender’s recommended VRAM | 8 GB Meets Blender’s recommended VRAM |
| Memory bandwidth | 448 GB/s | 448 GB/s |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 256-bit | 256-bit |
| Platform | ||
| Architecture | Turing | Ampere |
| Render support | CUDA, OpenCL | OptiX, CUDA |
| TDP | 185 W −16% | 220 W |
| System PSU | 450 W Secondary source suggestion−31% | 650 W Manufacturer requirement |
| Release year | 2021 | 2020 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
CMP 40HX 8 GB
Blender 4.4.0 · OptiX · 5 runs
RTX 3070
Blender 5.2.0 · OptiX · 71 runs
Junkshop
Monster
Classroom
Which GPU should you choose for Blender?
RTX 3070 is the stronger Blender rendering pick here, and both cards have the same VRAM capacity.
Cycles rendering performance
RTX 3070 leads by 152.4% in the Renderjuice Blender benchmark model (2,956 vs 1,171). For render-time-first decisions, that is the card to prioritize.
VRAM and scene capacity
Both cards have 8 GB of VRAM, so the decision is less about scene capacity and more about render speed, architecture, power draw, and price.
Power ratings and cooling
CMP 40HX 8 GB is the lower-power option at 185 W TDP, compared with 220 W for RTX 3070. If render speed is close, that can make CMP 40HX 8 GB easier to cool and run quietly.
Is the upgrade worthwhile?
CMP 40HX 8 GB is newer, but RTX 3070 still leads this Blender benchmark comparison. That makes the older card worth considering when used pricing or VRAM capacity is favorable.
Comparison summary
RTX 3070 leads the Blender benchmark score by 152.4%.
Fastest in Cycles: RTX 3070 152% faster than CMP 40HX 8 GB.
Most VRAM: Tie Same memory capacity.
Lowest power draw: CMP 40HX 8 GB 16% lower rating than RTX 3070.
Cheapest: Cannot compare Price unavailable for some GPUs.
Best value for money: Cannot compare Price or benchmark unavailable for some GPUs.
Both GPUs ship with 8 GB of VRAM, so the tradeoff is more about speed, architecture, and efficiency than memory capacity.
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.