AMD Radeon Instinct MI355X vs AMD Xbox Series X 6nm GPU

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs AMD Xbox Series X 6nm GPU with 10 GB GDDR6 and 3,328 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI355X

AMD Radeon Instinct MI355X

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

AMD Xbox Series X 6nm GPU

AMD Xbox Series X 6nm GPU

Contents:

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

Memory

Memory Size

288 GB 10 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

8.19 TB/s 560.0 GB/s

Memory Bus Width

8,192 бит 320 бит

ML Performance

FP16 (Half Precision)

629.1 TFLOPS 24.29 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

78.64 TFLOPS 12.15 TFLOPS

FP64 (Double Precision)

78.64 TFLOPS 0.7592 TFLOPS

CUDA Cores

16,384 3,328

RT Cores

No No

Architecture & Compatibility

GPU Architecture

CDNA 4.0 RDNA 2.0

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 No

Boost Clock

2,400 No

Memory Clock

2,000 1,750

Power Consumption

TDP/TGP

1400 W
🔥 -86% 200 W

Recommended PSU

1800 W No

Power Connector

None No

Rendering

Texture Units (TMU)

1,024 208

ROP

No No

L2 Cache

32 MB 5 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

March 12, 2025 Oct. 15, 2024

Display Outputs

No outputs
1x HDMI 2.1

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