AMD Radeon HD 8790M vs AMD Radeon Instinct MI355X

Comparison of AMD Radeon HD 8790M with 2 GB GDDR5 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 8790M

AMD Radeon HD 8790M

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

AMD Radeon Instinct MI355X

93.5

AMD Radeon Instinct MI355X

93.5

Contents:

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

Memory

Memory Size

2 GB
🔥 +14,300% 288 ГБ

Memory Type

GDDR5 HBM3e

Memory Bandwidth

64.00 GB/s
🔥 8.19 TB/s

Memory Bus Width

128 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)

0.6912 TFLOPS
🔥 +11,277% 78.64 TFLOPS

FP64 (Double Precision)

0.0432 TFLOPS
🔥 +181,937% 78.64 TFLOPS

CUDA Cores

384
🔥 +4,167% 16,384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 1.0 CDNA 4.0

SM (Streaming Multiprocessor)

No No

PCIe Version

MXM-A (3.0) PCIe 5.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

850
🔥 +18% 1,000

Boost Clock

900
🔥 +167% 2,400

Memory Clock

1,000
🔥 +100% 2,000

Power Consumption

TDP/TGP

unknown 1400 W

Recommended PSU

No 1800 W

Power Connector

None None

Rendering

Texture Units (TMU)

24
🔥 +4,167% 1,024

ROP

No No

L2 Cache

256 KB
🔥 16 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

MXM Module OAM Module

Release Date

April 1, 2013 July 15, 2025

Display Outputs

Portable Device Dependent
No outputs

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