RTX A400 4 GB for Blender
Ampere GPU with 4 GB VRAM, below Blender’s recommended 8 GB. Check scene memory needs and GPU compatibility before buying.
Last updated: October 1, 2026
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$246.37
Checked Oct 2, 2026
- Blender Cycles score
- 505
- 22.9× slower than
- VRAM
- 4 GB
- Below Blender’s recommended VRAM
- Released
- 2024
- Render support
- CUDA, OpenCL
- Power draw (TDP)
- 50 W
- Suggested system PSU
- 250 W
Technical specifications
GPU
- ArchitectureAmpere
- CUDA cores768
- Tensor cores24
- RT cores6
Memory
- TypeGDDR6
- Bandwidth96 GB/s
- Bus width64-bit
Clocks & manufacturing
- Boost clock1762 MHz
- Base clock1417 MHz
- Process size8 nm
- GPU chipGA107
Power & PSU sources
GPU power ratings
TDP: 50 W
Secondary source: RightNow GPU Database / TechPowerUp ↗ · Checked Sep 23, 2026 · Reference card
System power supply
Suggested PSU: 250 W
Secondary source: RightNow GPU Database / TechPowerUp ↗ · Checked Sep 23, 2026 · Reference system
Third-party source suggestion; not the manufacturer’s minimum system requirement.
GPU power ratings and whole-system PSU recommendations measure different things. Check the exact card and the source’s system assumptions.
RTX A400 4 GB Blender benchmarks
Estimated time to render one benchmark frame · Lower is faster.
Blender 5.1.1 · OptiX · 5 runs
About these estimates
Times estimate one frame of each benchmark scene from the same runs, Blender version and backend as the displayed Cycles score. The calculation uses 240 samples for Junkshop, 256 for Monster and 300 for Classroom, plus a 19% estimation buffer. Actual project render times vary. Results from different Blender versions may not be directly comparable.
Is RTX A400 4 GB good for Blender?
A concise editorial read on where this GPU looks strong, the tradeoffs to keep in mind, and who it suits best.
Tradeoffs to know
- Meets Blender’s 2 GB VRAM minimum but falls below its 8 GB recommendation for Windows/Linux. Usability depends on GPU and driver compatibility and your scene’s memory needs.
Who should choose it
- Ampere GPU with 4 GB VRAM, below Blender’s recommended 8 GB. Check scene memory needs and GPU compatibility before buying.
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