AMD Radeon Instinct MI300X vs H200 SXM

VS

AI GPU We compared a Professional market GPU: 192GB VRAM Radeon Instinct MI300X and a GPU: 141GB VRAM H200 SXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300X 's Advantages

Boost Clock has increased by 6% (2100MHz vs 1980MHz)

More VRAM (192GB vs 141GB)

Larger VRAM bandwidth (5171GB/s vs 4800GB/s)

2560 additional rendering cores

H200 SXM 's Advantages

Lower TDP (700W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300X +21%

81.72 TFLOPS

H200 SXM

67 TFLOPS

Radeon Instinct MI300X

VS

H200 SXM

Graphics Card

Dec 2023

Release Date

Nov 2023

Radeon Instinct

Generation

Hopper

Professional

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1000 MHz

Base Clock

1590 MHz

2100 MHz

Boost Clock

1980 MHz

2525 MHz

Memory Clock

1313 MHz

Memory

192GB

Memory Size

141GB

HBM3

Memory Type

HBM3e

8192bit

Memory Bus

5120bit

5171GB/s

Bandwidth

4800GB/s

Render Config

-

SM Count

132

304

Compute Units

-

19456

Shading Units

16896

1216

TMUs

528

0

ROPs

24

1216

Tensor Cores

528

-

RT Cores

-

16 KB (per CU)

L1 Cache

256 KB (per SM)

16 MB

L2 Cache

50 MB

Theoretical Performance

0 MPixel/s

Pixel Rate

47.52 GPixel/s

2554 GTexel/s

Texture Rate

1045 GTexel/s

653.7 TFLOPS

FP16 (half)

1979 TFLOPS

81.72 TFLOPS

FP32 (float)

67 TFLOPS

81.72 TFLOPS

FP64 (double)

34 TFLOPS

Graphics Processor

Aqua Vanjaram

GPU Name

GH200

-

GPU Variant

-

CDNA 3.0

Architecture

Hopper

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

153 billion

Transistors

80 billion

1017 mm²

Die Size

814 mm²

Board Design

750W

TDP

700W

1150 W

Suggested PSU

1100 W

No outputs

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

9.0

N/A

Shader Model

N/A

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