AMD Radeon Instinct MI355X vs AMD Radeon R7 250X

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs AMD Radeon R7 250X with 1,024 GB GDDR5 and 640 cores.

Loading...

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 Radeon R7 250X

AMD Radeon R7 250X

Contents:

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

Memory

Memory Size

288 GB 1,024 MB

Memory Type

HBM3e GDDR5

Memory Bandwidth

8.19 TB/s 72.00 GB/s

Memory Bus Width

8,192 бит 128 бит

ML Performance

FP16 (Half Precision)

629.1 TFLOPS No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

78.64 TFLOPS 1.216 TFLOPS

FP64 (Double Precision)

78.64 TFLOPS 0.076 TFLOPS

CUDA Cores

16,384 640

RT Cores

No No

Architecture & Compatibility

GPU Architecture

CDNA 4.0 GCN 1.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,000 No

Boost Clock

2,400 No

Memory Clock

2,000 1,125

Power Consumption

TDP/TGP

1400 W
🔥 -94% 80 W

Recommended PSU

1800 W
🔥 -86% 250 W

Power Connector

None 1x 6-pin

Rendering

Texture Units (TMU)

1,024 40

ROP

No No

L2 Cache

32 MB 256 KB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

OAM Module Dual-slot

Release Date

March 12, 2025 Feb. 13, 2014

Display Outputs

No outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2

Renting is cheaper than buying