AMD Radeon 550X vs AMD Radeon Instinct MI355X

Comparison of AMD Radeon 550X with 2 GB GDDR5 and 512 cores vs AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon 550X

AMD Radeon 550X

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

AMD Radeon Instinct MI355X

AMD Radeon Instinct MI355X

Contents:

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

Memory

Memory Size

2 GB 288 GB

Memory Type

GDDR5 HBM3e

Memory Bandwidth

112.0 GB/s 8.19 TB/s

Memory Bus Width

128 бит 8,192 бит

ML Performance

FP16 (Half Precision)

1.2472 TFLOPS 629.1 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

1.2472 TFLOPS 78.64 TFLOPS

FP64 (Double Precision)

0.078 TFLOPS 78.64 TFLOPS

CUDA Cores

512 16,384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 4.0 CDNA 4.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 3.0 x8 PCIe 5.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,082 1,000

Boost Clock

1,218 2,400

Memory Clock

1,750 2,000

Power Consumption

TDP/TGP

🔥 -96% 50 W
1400 W

Recommended PSU

🔥 -86% 250 W
1800 W

Power Connector

None None

Rendering

Texture Units (TMU)

32 1,024

ROP

No No

L2 Cache

512 KB 32 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

Dual-slot OAM Module

Release Date

March 27, 2019 March 12, 2025

Display Outputs

1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
No outputs

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