AMD Radeon Instinct MI355X vs Gainward RTX 4080 SUPER Python III OC

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs Gainward RTX 4080 SUPER Python III OC with 16 GB GDDR6X and 10,240 cores.

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Performance Rating

AMD Radeon Instinct MI355X outperforms Gainward RTX 4080 SUPER Python III OC by 339.47% 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

Gainward RTX 4080 SUPER Python III OC

21.3

Gainward RTX 4080 SUPER Python III OC

21.3

Contents:

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

Memory

Memory Size

🔥 +1,700% 288 ГБ
16 ГБ

Memory Type

HBM3e GDDR6X

Memory Bandwidth

🔥 8.19 TB/s
736.3 GB/s

Memory Bus Width

8,192 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +1,091% 629.1 TFLOPS
52.84 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +49% 78.64 TFLOPS
52.84 TFLOPS

FP64 (Double Precision)

🔥 +9,425% 78.64 TFLOPS
0.8256 TFLOPS

CUDA Cores

🔥 +60% 16,384
10,240

RT Cores

No
🔥 80

Architecture & Compatibility

GPU Architecture

CDNA 4.0 Ada Lovelace

SM (Streaming Multiprocessor)

No
🔥 80

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No 8.9

Clocks & Performance

Base Clock

1,000
🔥 +130% 2,295

Boost Clock

2,400
🔥 +8% 2,580

Memory Clock

🔥 +39% 2,000
1,438

Power Consumption

TDP/TGP

1400 W
🔥 -77% 320 W

Recommended PSU

1800 W
🔥 -61% 700 W

Power Connector

None 1x 16-pin

Rendering

Texture Units (TMU)

🔥 +220% 1,024
320

ROP

No
🔥 80

L2 Cache

16 MB
🔥 +300% 64 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

July 15, 2025 Jan. 8, 2024

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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