Alienware RTX 3090 OEM vs AMD Radeon Instinct MI355X

Comparison of Alienware RTX 3090 OEM with 24 GB GDDR6X and 10,496 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 Alienware RTX 3090 OEM by 370.66% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Alienware RTX 3090 OEM

19.9

Alienware RTX 3090 OEM

19.9
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

24 ГБ
🔥 +1,100% 288 ГБ

Memory Type

GDDR6X HBM3e

Memory Bandwidth

936.2 GB/s
🔥 8.19 TB/s

Memory Bus Width

384 бит 8,192 бит

ML Performance

FP16 (Half Precision)

35.58 TFLOPS
🔥 +1,668% 629.1 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

35.58 TFLOPS
🔥 +121% 78.64 TFLOPS

FP64 (Double Precision)

0.556 TFLOPS
🔥 +14,044% 78.64 TFLOPS

CUDA Cores

10,496
🔥 +56% 16,384

RT Cores

🔥 82
No

Architecture & Compatibility

GPU Architecture

Ampere CDNA 4.0

SM (Streaming Multiprocessor)

🔥 82
No

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.6 No

Clocks & Performance

Base Clock

🔥 +40% 1,395
1,000

Boost Clock

1,695
🔥 +42% 2,400

Memory Clock

1,219
🔥 +64% 2,000

Power Consumption

TDP/TGP

🔥 -75% 350 W
1400 W

Recommended PSU

🔥 -58% 750 W
1800 W

Power Connector

2x 8-pin None

Rendering

Texture Units (TMU)

328
🔥 +212% 1,024

ROP

🔥 82
No

L2 Cache

🔥 6 MB
16 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

Triple-slot OAM Module

Release Date

Sept. 1, 2020 July 15, 2025

Display Outputs

1x HDMI 2.1
3x DisplayPort 1.4a
No outputs

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