AMD Radeon Instinct MI355X vs NVIDIA GRID K2

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs NVIDIA GRID K2 with 4 GB GDDR5 and 1,536 cores.

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Performance Rating

AMD Radeon Instinct MI355X outperforms NVIDIA GRID K2 by 4,019.82% 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

NVIDIA GRID K2

2.3

NVIDIA GRID K2

2.3

Contents:

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

Memory

Memory Size

🔥 +7,100% 288 ГБ
4 ГБ ×2 (8 ГБ)

Memory Type

HBM3e GDDR5

Memory Bandwidth

🔥 8.19 TB/s
160.0 GB/s ×2 (320 GB/s)

Memory Bus Width

8,192 бит 256 бит ×2 (512 бит)

ML Performance

FP16 (Half Precision)

🔥 629.1 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +3,336% 78.64 TFLOPS
2.289 TFLOPS

FP64 (Double Precision)

🔥 +82,366% 78.64 TFLOPS
0.09536 TFLOPS

CUDA Cores

🔥 +967% 16,384
1,536 ×2 (3072)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

CDNA 4.0 Kepler

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No 3.0

Clocks & Performance

Base Clock

🔥 1,000
No

Boost Clock

🔥 2,400
No

Memory Clock

🔥 +60% 2,000
1,250

Power Consumption

TDP/TGP

1400 W
🔥 -84% 225 W

Recommended PSU

1800 W
🔥 -69% 550 W

Power Connector

None 1x 6-pin + 1x 8-pin

Rendering

Texture Units (TMU)

🔥 +700% 1,024
128 ×2 (256)

ROP

No No

L2 Cache

🔥 16 MB
512 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

July 15, 2025 May 11, 2013

Display Outputs

No outputs
No outputs

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