AMD Atari VCS 400 GPU vs AMD Radeon Instinct MI355X

Comparison of AMD Atari VCS 400 GPU with 4 GB DDR4 and 192 cores vs AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores.

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Performance Rating

AMD Radeon Instinct MI355X outperforms AMD Atari VCS 400 GPU by 217.99% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Atari VCS 400 GPU

29.4

AMD Atari VCS 400 GPU

29.4
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

4 ГБ
🔥 +7,100% 288 ГБ

Memory Type

DDR4 HBM3e

Memory Bandwidth

38.40 GB/s
🔥 8.19 TB/s

Memory Bus Width

128 бит 8,192 бит

ML Performance

FP16 (Half Precision)

🔥 +47% 922.4 TFLOPS
629.1 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +486% 461.2 TFLOPS
78.64 TFLOPS

FP64 (Double Precision)

0.028820000000000002 TFLOPS
🔥 +272,766% 78.64 TFLOPS

CUDA Cores

192
🔥 +8,433% 16,384

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 5.0 CDNA 4.0

SM (Streaming Multiprocessor)

No No

PCIe Version

No PCIe 5.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

300
🔥 +233% 1,000

Boost Clock

1,201
🔥 +100% 2,400

Memory Clock

1,200
🔥 +67% 2,000

Power Consumption

TDP/TGP

🔥 -99% 15 W
1400 W

Recommended PSU

No 1800 W

Power Connector

No None

Rendering

Texture Units (TMU)

12
🔥 +8,433% 1,024

ROP

No No

L2 Cache

No
🔥 16 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

Dec. 14, 2020 July 15, 2025

Display Outputs

1x HDMI 2.0
No outputs

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