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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

0 of 36 fields comparable

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SpecAMD Instinct MI325XApple Mac Studio (M3 Ultra)
Bandwidth GB S—819
Base Price USD—3,999
Bf16 Matrix Tflops Dense1,307.4—
Comparator 5090—5,090
Compute Units304—
CPU Cores 512gb Config—32
Form factorOAM—
Fp16 Matrix Tflops Dense1,307.4—
Fp32 Vector Tflops163.4—
Fp64 Matrix Tflops163.4—
FP8 Matrix Tflops Dense2,614.9—
FP8 Matrix Tflops Sparse5,229.8—
GPU Cores 512gb Config—80
HBM (GB)256—
HBM TypeHBM3E—
INT8 TOPS (dense)2,614.9—
Launch Date—2025-03-05
M Series Version—3
Memory bandwidth (TB/s)6—
MSRP (USD)↓ better—9,499
Only 96gb Config From—2026-05-05
Option 512gb Removed—2026-03-05
Pcie GEN5—
Status—discontinued
Status Checked—2026-09-24
Successor—Mac Studio with M5 Max / M5 Ultra (up to 512 GB unified memory)
Successor M5 Ultra Base Price USD—5,499
Superseded ON—2026-08-25
TBP Watts1,000—
TDP (W)↓ better—270
Tf32 Matrix Tflops Dense653.7—
Unified Memory Base GB—96
Unified Memory MAX GB—512
Unified Memory MID GB—256
Upgrade 512gb USD—4,000
Upgrade Chip USD—1,500