Ascent GX10, GB10 Grace Blackwell, 128GB vs DGX Spark, GB10 Grace Blackwell, 128GB
Both hold Qwen3-32B at Q8_0, and DGX Spark, GB10 Grace Blackwell, 128GB is not meaningfully faster — an est. 5.2 tok/s against 5.2. Buy Ascent GX10, GB10 Grace Blackwell, 128GB and keep the $699.01.
- Fit
- Fits
- Fits
- Headroom
- 83GB
- 83GB
- Est. speed
- 5.2 tok/s
- 5.2 tok/s
- Cheapest today
- $3,999.99 at Best Buy
- $4,699 at NVIDIA
- Per GB of memory
- $31
- $37
- Memory
- 128GB unified LPDDR5X memory
- 128GB unified LPDDR5X memory
- Usable for a model
- 120GB
- 120GB
- Memory bandwidth
- 273GB/s
- 273GB/s
- Storage
- 1TB
- 4TB
- Lowest recorded
- $3,999.99 in 2d
- $4,699 in 3d
Fit, headroom and speed are computed from each vendor’s published bandwidth and the model’s own size at 8K context. Prices are the cheapest listing we could read on each seller’s page. The arithmetic is here.
Where they actually differ
- Qwen3-235B-A22BWon't fitWon't fit
- DeepSeek-V3Won't fitWon't fit
- Llama-3.3-70BFitsFits
- gpt-oss-120bWon't fitWon't fit
- Mistral-Large-2411Won't fitWon't fit
- Llama-4-Scout-17B-16ETightTight
- Qwen3-32BFitsFits
- Gemma-3-27BFitsFits
- gpt-oss-20bFitsFits
- Llama-4-Maverick-17B-128EWon't fitWon't fit
- Llama-4-BehemothWon't fitWon't fit
- Qwen3-Coder-480B-A35B-InstructWon't fitWon't fit
- Kimi-K2-InstructWon't fitWon't fit
- GLM-4.6Won't fitWon't fit
- DeepSeek-R1Won't fitWon't fit
- MiniMax-M2Won't fitWon't fit
- Qwen3-30B-A3BFitsFits
- Qwen3-4BFitsFits
- Devstral-Small-2507FitsFits
- Phi-4FitsFits
- Gemma-3n-E4BFitsFits
- Qwen3-VL-8B-InstructFitsFits
Every model we track at Q8_0. The rows where the two boxes agree are dimmed, because they are not what you are choosing between.