AMD Radeon HD 8670M vs AMD Radeon Instinct MI355X

Comparison of AMD Radeon HD 8670M with 1,024 GB DDR3 and 384 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 HD 8670M

AMD Radeon HD 8670M

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

1,024 MB 288 GB

Memory Type

DDR3 HBM3e

Memory Bandwidth

14.40 GB/s 8.19 TB/s

Memory Bus Width

64 бит 8,192 бит

ML Performance

FP16 (Half Precision)

No 629.1 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

0.6336 TFLOPS 78.64 TFLOPS

FP64 (Double Precision)

No 78.64 TFLOPS

CUDA Cores

384 16,384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 1.0 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

775 1,000

Boost Clock

825 2,400

Memory Clock

900 2,000

Power Consumption

TDP/TGP

No 1400 W

Recommended PSU

No 1800 W

Power Connector

No None

Rendering

Texture Units (TMU)

24 1,024

ROP

No No

L2 Cache

128 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

No OAM Module

Release Date

March 1, 2013 March 12, 2025

Display Outputs

No
No outputs

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