AMD Radeon Instinct MI355X vs AMD Steam Machine GPU

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs AMD Steam Machine GPU with 8 GB GDDR6 and 1,792 cores.

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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

AMD Steam Machine GPU

AMD Steam Machine GPU

Contents:

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

Memory

Memory Size

🔥 +3,500% 288 ГБ
8 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 8.19 TB/s
288.0 GB/s

Memory Bus Width

8,192 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 +1,691% 629.1 TFLOPS
35.12 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +348% 78.64 TFLOPS
17.56 TFLOPS

FP64 (Double Precision)

🔥 +14,198% 78.64 TFLOPS
0.55 TFLOPS

CUDA Cores

🔥 +814% 16,384
1,792

RT Cores

No 28

Architecture & Compatibility

GPU Architecture

CDNA 4.0 RDNA 3.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 No

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 1,000
1,720

Boost Clock

🔥 2,400
2,450

Memory Clock

🔥 2,000
2,250

Power Consumption

TDP/TGP

1400 W
🔥 -92% 110 W

Recommended PSU

1800 W No

Power Connector

None None

Rendering

Texture Units (TMU)

🔥 +814% 1,024
112

ROP

No 28

L2 Cache

🔥 +700% 16 MB
2 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 No

Release Date

July 15, 2025 March 5, 2026

Display Outputs

No outputs
No outputs

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