AMD Radeon Instinct MI355X vs AMD Radeon Pro W6900X

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs AMD Radeon Pro W6900X with 32 GB GDDR6 and 5,120 cores.

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Performance Rating

AMD Radeon Instinct MI355X outperforms AMD Radeon Pro W6900X by 585.63% in the overall GPU ARK 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 Radeon Pro W6900X

13.6

AMD Radeon Pro W6900X

13.6

Contents:

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

Memory

Memory Size

🔥 +800% 288 ГБ
32 ГБ

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 8.19 TB/s
512.0 GB/s

Memory Bus Width

8,192 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +1,315% 629.1 TFLOPS
44.46 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +254% 78.64 TFLOPS
22.23 TFLOPS

FP64 (Double Precision)

🔥 78.64 TFLOPS
No

CUDA Cores

🔥 +220% 16,384
5,120

RT Cores

No
🔥 80

Architecture & Compatibility

GPU Architecture

CDNA 4.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 Apple MPX

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,000
🔥 +82% 1,825

Boost Clock

🔥 +11% 2,400
2,171

Memory Clock

2,000 2,000

Power Consumption

TDP/TGP

1400 W
🔥 -79% 300 W

Recommended PSU

1800 W
🔥 -61% 700 W

Power Connector

None No

Rendering

Texture Units (TMU)

🔥 +220% 1,024
320

ROP

No
🔥 80

L2 Cache

16 MB
🔥 4 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 Aug. 3, 2021

Display Outputs

No outputs
1x HDMI 2.1
4x Thunderbolt

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