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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

NVIDIA RTX PRO 5000 Blackwell

NVIDIA · workstation

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Rig B

AMD Instinct MI355X

AMD · accelerator

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1 of 46 fields comparable

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NVIDIA RTX PRO 5000 BlackwellAMD Instinct MI355X
Pcie GEN
5
5
SpecNVIDIA RTX PRO 5000 BlackwellAMD Instinct MI355X
Pcie GEN55
AI Tops2,064—
Bandwidth GB S1,344—
Bf16 Matrix Pflops Dense—2.5
Bf16 Matrix Pflops Sparse—5
Compute Units—256
Cooling—direct liquid cooling (air-cooled option available)
Cuda Cores14,080—
Displayport Count4—
Displayport Version2.1—
ECCtrue—
Form factor4.4 in H x 10.5 in L, dual slotOAM
Fp16 Matrix Pflops Dense—2.5
Fp16 Matrix Pflops Sparse—5
FP32 TFLOPS65—
Fp32 Vector Tflops—157.3
Fp64 Matrix Tflops—78.6
FP8 Matrix Pflops Dense—5
FP8 Matrix Pflops Sparse—10.1
HBM (GB)—288
HBM Type—HBM3E
Helios Gpus PER Rack—72
Memory bandwidth (TB/s)—8
Mxfp4 Matrix Pflops—10.1
Mxfp6 Matrix Pflops—10.1
Nvdec Count3—
Nvdec GEN6—
Nvenc Count3—
Nvenc GEN9—
Process Node NM—3
RT Cores110—
RT Cores GEN4—
RT Tflops196—
Slot Width2—
Successor Cdna Version—5
Successor Family—AMD Instinct MI400 Series (MI455X)
Successor Launch—2026-07-23
Successor Mi455x Bandwidth TB S—23.3
Successor Mi455x Hbm4 GB—432
TBP Watts—1,400
TDP (W)↓ better300—
Tensor Cores440—
Tensor Cores GEN5—
VRAM (GB)48—
Vram GB ALT72—
Vram TypeGDDR7 ECC—