H200 SXM vs NVIDIA H100 CNX

VS

H200 SXM NVIDIA H100 CNX

AI GPUAI GPU We compared two GPUs: 141GB VRAM H200 SXM and 80GB VRAM H100 CNX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

H200 SXM 's Advantages

Released 8 months late

Boost Clock has increased by 7% (1980MHz vs 1845MHz)

More VRAM (141GB vs 80GB)

Larger VRAM bandwidth (4800GB/s vs 2039GB/s)

2304 additional rendering cores

NVIDIA H100 CNX 's Advantages

Lower TDP (350W vs 700W)

Score

Benchmark

FP32 (float)

H200 SXM +24%

67 TFLOPS

H100 CNX

53.84 TFLOPS

H200 SXM

VS

H100 CNX

Graphics Card

Nov 2023

Release Date

Mar 2023

Hopper

Generation

Tesla Hopper

AI GPU

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1590 MHz

Base Clock

690 MHz

1980 MHz

Boost Clock

1845 MHz

1313 MHz

Memory Clock

1593 MHz

Memory

141GB

Memory Size

80GB

HBM3e

Memory Type

HBM2e

5120bit

Memory Bus

5120bit

4800GB/s

Bandwidth

2039GB/s

Render Config

132

SM Count

114

-

Compute Units

-

16896

Shading Units

14592

528

TMUs

456

24

ROPs

24

528

Tensor Cores

456

-

RT Cores

-

256 KB (per SM)

L1 Cache

256 KB (per SM)

50 MB

L2 Cache

50 MB

Theoretical Performance

47.52 GPixel/s

Pixel Rate

44.28 GPixel/s

1045 GTexel/s

Texture Rate

841.3 GTexel/s

1979 TFLOPS

FP16 (half)

215.4 TFLOPS

67 TFLOPS

FP32 (float)

53.84 TFLOPS

34 TFLOPS

FP64 (double)

26.92 TFLOPS

Graphics Processor

GH200

GPU Name

GH100

-

GPU Variant

-

Hopper

Architecture

Hopper

TSMC

Foundry

TSMC

4 nm

Process Size

4 nm

80 billion

Transistors

80 billion

814 mm²

Die Size

814 mm²

Board Design

700W

TDP

350W

1100 W

Suggested PSU

750 W

No outputs

Outputs

No outputs

8-pin EPS

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

9.0

CUDA

9.0

N/A

Shader Model

N/A

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