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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.

Rig A

The Stargate Project

OpenAI / Oracle / SoftBank / MGX · workstation

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Rig B

AMD Instinct MI300X

AMD · accelerator

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0 of 36 fields comparable

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SpecThe Stargate ProjectAMD Instinct MI300X
Abilene Trained ModelGPT-5.5—
Abilene Trained Model Version5.5—
Bf16 Matrix Tflops Dense—1,307.4
Capacity Added Prior 90 Days GW MIN3—
Capacity Added Window Days90—
Capacity Update Date2026-04-29—
Compute Units—304
Custom Silicon AnnouncedBroadcom (10 GW)—
Form factor—OAM
Fp16 Matrix Tflops Dense—1,307.4
Fp32 Vector Tflops—163.4
Fp64 Matrix Tflops—163.4
Fp64 Vector Tflops—81.7
FP8 Matrix Tflops Dense—2,614.9
FP8 Matrix Tflops Sparse—5,229.8
HBM (GB)—192
HBM Type—HBM3
INT8 TOPS (dense)—2,614.9
Matrix Cores—1,216
Memory bandwidth (TB/s)—5.3
Oracle Partnership GW5—
PartnersOpenAI, SoftBank, Oracle, MGX—
Pcie GEN—5
Planned Capacity GW 20257—
Planned Chip Count Million2—
Primary Accelerator AnnouncedNVIDIA GB200 (initial Oracle racks)—
Primary SiteAbilene, Texas—
Process Node NM—5
Secondary Accelerator AnnouncedAMD Instinct (up to 6 GW)—
Secured Capacity Commitment Deadline Year2,029—
Secured Capacity Commitment GW10—
Status Checked2026-09-24—
TBP Watts—750
Tf32 Matrix Tflops Dense—653.7
Tf32 Matrix Tflops Sparse—1,307.4
Total Planned Investment USD Billion400—