AMD Radeon Instinct MI355X vs NVIDIA A100X

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs NVIDIA A100X with 80 GB HBM2e and 6,912 cores.

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Performance Rating

AMD Radeon Instinct MI355X outperforms NVIDIA A100X by 257.08% 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 A100X

26.2

NVIDIA A100X

26.2

Contents:

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

Memory

Memory Size

🔥 +260% 288 ГБ
80 ГБ

Memory Type

HBM3e HBM2e

Memory Bandwidth

🔥 +301% 8.19 TB/s
2.04 TB/s

Memory Bus Width

8,192 бит 5,120 бит

ML Performance

FP16 (Half Precision)

🔥 +690% 629.1 TFLOPS
79.63 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +295% 78.64 TFLOPS
19.91 TFLOPS

FP64 (Double Precision)

🔥 +690% 78.64 TFLOPS
9.953 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 x8

ML Software Support

CUDA Version

No 8.0

Clocks & Performance

Base Clock

🔥 +26% 1,000
795

Boost Clock

🔥 +67% 2,400
1,440

Memory Clock

🔥 +26% 2,000
1,593

Power Consumption

TDP/TGP

1400 W
🔥 -79% 300 W

Recommended PSU

1800 W
🔥 -61% 700 W

Power Connector

None 1x 16-pin

Rendering

Texture Units (TMU)

🔥 +137% 1,024
432

ROP

No No

L2 Cache

16 MB
🔥 +400% 80 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 Dual-slot

Release Date

July 15, 2025 June 28, 2021

Display Outputs

No outputs
No outputs

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