AMD Radeon Instinct MI355X vs NVIDIA GRID A100B

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs NVIDIA GRID A100B with 48 GB HBM2e and 6,912 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI355X

AMD Radeon Instinct MI355X

RX 7900 XTX RX 7900 XTX
Instinct MI300X Instinct MI300X
MI250 MI250

NVIDIA GRID A100B

NVIDIA GRID A100B

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Benchmarks Additional

Memory

Memory Size

288 GB 48 GB

Memory Type

HBM3e HBM2e

Memory Bandwidth

8.19 TB/s 1.87 TB/s

Memory Bus Width

8,192 бит 6,144 бит

ML Performance

FP16 (Half Precision)

629.1 TFLOPS 55.57 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

78.64 TFLOPS 13.89 TFLOPS

FP64 (Double Precision)

78.64 TFLOPS 6.947 TFLOPS

CUDA Cores

16,384 6,912

RT Cores

No No

Architecture & Compatibility

GPU Architecture

CDNA 4.0 Ampere

SM (Streaming Multiprocessor)

No 108

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No 8.0

Clocks & Performance

Base Clock

1,000 900

Boost Clock

2,400 1,005

Memory Clock

2,000 1,215

Power Consumption

TDP/TGP

1400 W
🔥 -71% 400 W

Recommended PSU

1800 W
🔥 -56% 800 W

Power Connector

None None

Rendering

Texture Units (TMU)

1,024 432

ROP

No No

L2 Cache

32 MB 48 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

OAM Module IGP

Release Date

March 12, 2025 May 14, 2020

Display Outputs

No outputs
No outputs

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