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

AMD Radeon Instinct MI355X outperforms NVIDIA GRID A100B by 369.48% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Instinct MI355X

93.5

AMD Radeon Instinct MI355X

93.5
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA GRID A100B

19.9

NVIDIA GRID A100B

19.9

Contents:

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

Memory

Memory Size

🔥 +500% 288 ГБ
48 ГБ

Memory Type

HBM3e HBM2e

Memory Bandwidth

🔥 +338% 8.19 TB/s
1.87 TB/s

Memory Bus Width

8,192 бит 6,144 бит

ML Performance

FP16 (Half Precision)

🔥 +1,032% 629.1 TFLOPS
55.57 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +466% 78.64 TFLOPS
13.89 TFLOPS

FP64 (Double Precision)

🔥 +1,032% 78.64 TFLOPS
6.947 TFLOPS

CUDA Cores

🔥 +137% 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

🔥 +11% 1,000
900

Boost Clock

🔥 +139% 2,400
1,005

Memory Clock

🔥 +65% 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)

🔥 +137% 1,024
432

ROP

No No

L2 Cache

16 MB
🔥 +200% 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

July 15, 2025 May 14, 2020

Display Outputs

No outputs
No outputs

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