AMD Radeon Instinct MI355X vs EVGA RTX 3090 XC3 ULTRA

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs EVGA RTX 3090 XC3 ULTRA with 24 GB GDDR6X and 10,496 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

EVGA RTX 3090 XC3 ULTRA

EVGA RTX 3090 XC3 ULTRA

Contents:

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

Memory

Memory Size

288 GB 24 GB

Memory Type

HBM3e GDDR6X

Memory Bandwidth

8.19 TB/s 936.2 GB/s

Memory Bus Width

8,192 бит 384 бит

ML Performance

FP16 (Half Precision)

629.1 TFLOPS 36.21 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

78.64 TFLOPS 36.21 TFLOPS

FP64 (Double Precision)

78.64 TFLOPS 0.5658 TFLOPS

CUDA Cores

16,384 10,496

RT Cores

No 82

Architecture & Compatibility

GPU Architecture

CDNA 4.0 Ampere

SM (Streaming Multiprocessor)

No 82

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No 8.6

Clocks & Performance

Base Clock

1,000 1,395

Boost Clock

2,400 1,725

Memory Clock

2,000 1,219

Power Consumption

TDP/TGP

1400 W
🔥 -75% 350 W

Recommended PSU

1800 W
🔥 -58% 750 W

Power Connector

None 2x 8-pin

Rendering

Texture Units (TMU)

1,024 328

ROP

No 82

L2 Cache

32 MB 6 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 Dual-slot

Release Date

March 12, 2025 Sept. 1, 2020

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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