NVIDIA H100 CNX vs AMD Radeon Instinct MI250

VS

NVIDIA H100 CNX AMD Radeon Instinct MI250

AI GPU We compared a GPU: 80GB VRAM H100 CNX and a Professional market GPU: 128GB VRAM Radeon Instinct MI250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H100 CNX 's Advantages

Released 1 years and 4 months late

Boost Clock has increased by 9% (1845MHz vs 1700MHz)

1280 additional rendering cores

Lower TDP (350W vs 500W)

AMD Radeon Instinct MI250 's Advantages

More VRAM (128GB vs 80GB)

Larger VRAM bandwidth (3277GB/s vs 2039GB/s)

Score

Benchmark

FP32 (float)

H100 CNX +18%

53.84 TFLOPS

Radeon Instinct MI250

45.26 TFLOPS

H100 CNX

VS

Radeon Instinct MI250

Graphics Card

Mar 2023

Release Date

Nov 2021

Tesla Hopper

Generation

Radeon Instinct

AI GPU

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

690 MHz

Base Clock

1000 MHz

1845 MHz

Boost Clock

1700 MHz

1593 MHz

Memory Clock

1600 MHz

Memory

80GB

Memory Size

128GB

HBM2e

Memory Type

HBM2e

5120bit

Memory Bus

8192bit

2039GB/s

Bandwidth

3277GB/s

Render Config

114

SM Count

-

Compute Units

208

14592

Shading Units

13312

456

TMUs

832

24

ROPs

0

456

Tensor Cores

-

RT Cores

-

256 KB (per SM)

L1 Cache

16 KB (per CU)

50 MB

L2 Cache

16 MB

Theoretical Performance

44.28 GPixel/s

Pixel Rate

0 MPixel/s

841.3 GTexel/s

Texture Rate

1414 GTexel/s

215.4 TFLOPS

FP16 (half)

362.1 TFLOPS

53.84 TFLOPS

FP32 (float)

45.26 TFLOPS

26.92 TFLOPS

FP64 (double)

45.26 TFLOPS

Graphics Processor

GH100

GPU Name

Aldebaran

-

GPU Variant

Aldebaran

Hopper

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

6 nm

80 billion

Transistors

58.2 billion

814 mm²

Die Size

Unknown

Board Design

350W

TDP

500W

750 W

Suggested PSU

900 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

9.0

CUDA

-

N/A

Shader Model

N/A

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