Local AI Deals

Mac Studio, M4 Max, 128GB, refurbished vs Ascent GX10, GB10 Grace Blackwell, 128GB

Both hold Qwen3-32B at Q4_K_M. Mac Studio, M4 Max, 128GB, refurbished decodes an est. 18.4 tok/s against 9.2, and costs $409.01 more — $44.53 per extra token per second. Worth it if you read the output as it arrives; not if you queue jobs.

Fit
Fits
Fits
Headroom
97GB
98GB
Est. speed
18.4 tok/s
9.2 tok/s
Cheapest today
$4,409 at Apple Certified Refurbished
$3,999.99 at Best Buy
Per GB of memory
$34
$31
Memory
128GB unified memory
128GB unified LPDDR5X memory
Usable for a model
120GB
120GB
Memory bandwidth
546GB/s
273GB/s
Storage
1TB
1TB
Lowest recorded
$4,409 in 2d
$3,999.99 in 2d

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

Every model we track at Q4_K_M. The rows where the two boxes agree are dimmed, because they are not what you are choosing between.