L40S vs PRO W6400 for Blender
Compare L40S 48 GB and PRO W6400 4 GB for Blender Cycles. See benchmark performance, VRAM, power ratings and checked prices side by side. L40S 48 GB leads the Blender benchmark score by 2562.1%.
Fastest in Cycles
L40S 48 GB
2,562% faster than PRO W6400 4 GB
Most VRAM
L40S 48 GB
1,100% more VRAM than PRO W6400 4 GB
Lowest power draw
PRO W6400 4 GB
83% lower rating than L40S 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 | L40S 48 GB | PRO W6400 4 GB |
|---|---|---|
| Lowest price | Price unavailable No current offer matches your preferences. | $248.99 Checked Oct 9, 2026 |
| Value for money | N/A | 1.18 |
| Blender benchmark score | 7,848.06 +2,562% | 294.81 |
| VRAM | 48 GB More capacity for heavy scenes+1,100% | 4 GB Below Blender’s recommended VRAM |
| System PSU | 700 W Secondary source suggestion | 250 W Secondary source suggestion−64% |
| Render support | CUDA, OpenCL | OpenCL |
| Performance | ||
| CUDA cores | 18,176 | N/A |
| Boost clock | 2520 MHz +9% | 2321 MHz |
| RT cores | 142 +1,083% | 12 |
| Tensor cores | 568 | N/A |
| Memory | ||
| Memory bandwidth | 864 GB/s +575% | 128 GB/s |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 384-bit +500% | 64-bit |
| Platform | ||
| Architecture | Ada Lovelace | RDNA 2.0 |
| TDP | 300 W | 50 W −83% |
| Release year | 2022 | 2022 |
Blender Cycles benchmarks
Estimated seconds / frame Lower is faster
L40S 48 GB
Blender 4.5.0 · OptiX · 8 runs
PRO W6400 4 GB
Blender 4.1.0 · HIP · 6 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
L40S 48 GB leads by 2562.1% in the Renderjuice Blender benchmark model (7,848 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 300 W for L40S 48 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
L40S 48 GB leads the Blender benchmark score by 2562.1%.
Fastest in Cycles: L40S 48 GB 2,562% faster than PRO W6400 4 GB.
Most VRAM: L40S 48 GB 1,100% more VRAM than PRO W6400 4 GB.
Lowest power draw: PRO W6400 4 GB 83% lower rating than L40S 48 GB.
Cheapest: Cannot compare Price unavailable for some GPUs.
Best value for money: Cannot compare Price or benchmark unavailable for some GPUs.
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.