PRO W7900 vs RTX 4070 for Blender
Compare PRO W7900 48 GB and RTX 4070 for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. RTX 4070 leads the Blender benchmark score by 41.7%.
Fastest in Cycles
RTX 4070
42% faster than PRO W7900 48 GB
Most VRAM
PRO W7900 48 GB
300% more VRAM than RTX 4070
Lowest power draw
RTX 4070
32% lower rating than PRO W7900 48 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 | PRO W7900 48 GB | RTX 4070 |
|---|---|---|
| Lowest price | Price unavailable No current offer matches your preferences. | $829.00 Checked Oct 9, 2026 |
| Value for money | N/A | 6.18 |
| Blender benchmark score | 3,618.68 | 5,126.67 +42% |
| VRAM | 48 GB More capacity for heavy scenes+300% | 12 GB Meets Blender’s recommended VRAM |
| System PSU | 600 W Secondary source suggestion | N/A |
| Render support | OpenCL | OptiX, CUDA |
| Performance | ||
| CUDA cores | N/A | 5,888 |
| Boost clock | 2495 MHz +<1% | 2475 MHz |
| RT cores | 96 +109% | 46 |
| Tensor cores | N/A | 184 |
| Memory | ||
| Memory bandwidth | 864 GB/s +71% | 504.2 GB/s |
| Memory type | GDDR6 | GDDR6X |
| Memory bus | 384-bit +100% | 192-bit |
| Platform | ||
| Architecture | RDNA 3.0 | Ada Lovelace |
| TDP | 295 W | 200 W −32% |
| Release year | 2023 | 2023 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
PRO W7900 48 GB
Blender 3.6.0 · HIP · 5 runs
RTX 4070
Blender 5.2.0 · OptiX · 30 runs
Junkshop
Monster
Classroom
Which GPU should you choose for Blender?
RTX 4070 is faster for Blender rendering, but PRO W7900 48 GB has more VRAM. That makes this a speed-versus-scene-headroom decision.
Cycles rendering performance
RTX 4070 leads by 41.7% in the Renderjuice Blender benchmark model (5,127 vs 3,619). For render-time-first decisions, that is the card to prioritize.
VRAM and scene capacity
PRO W7900 48 GB has more scene headroom with 48 GB of VRAM versus 12 GB on RTX 4070. That matters most for large environments, dense geometry, high-resolution textures, and less optimized production files.
Power ratings and cooling
RTX 4070 is the lower-power option at 200 W TDP, compared with 295 W for PRO W7900 48 GB. If render speed is close, that can make RTX 4070 easier to cool and run quietly.
Is the upgrade worthwhile?
RTX 4070 is the straightforward performance pick, while PRO W7900 48 GB needs a price, power, availability, or compatibility advantage to make more sense.
Comparison summary
RTX 4070 leads the Blender benchmark score by 41.7%.
Fastest in Cycles: RTX 4070 42% faster than PRO W7900 48 GB.
Most VRAM: PRO W7900 48 GB 300% more VRAM than RTX 4070.
Lowest power draw: RTX 4070 32% lower rating than PRO W7900 48 GB.
Cheapest: Cannot compare Price unavailable for some GPUs.
Best value for money: Cannot compare Price or benchmark unavailable for some GPUs.
PRO W7900 48 GB has 48 GB of VRAM, while RTX 4070 has 12 GB, which matters when scenes, textures, or geometry get heavier.
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.