NVIDIA H800 SXM5 vs NVIDIA H800 PCIe 80 GB

VS

AI GPUAI GPU We compared two GPUs: 80GB VRAM H800 SXM5 and 80GB VRAM H800 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H800 SXM5 's Advantages

2304 additional rendering cores

NVIDIA H800 PCIe 80 GB 's Advantages

Larger VRAM bandwidth (2039GB/s vs 1681GB/s)

Lower TDP (350W vs 700W)

Score

Benchmark

FP32 (float)

H800 SXM5 +15%

59.3 TFLOPS

H800 PCIe 80 GB

51.22 TFLOPS

H800 SXM5

VS

H800 PCIe 80 GB

Graphics Card

Mar 2023

Release Date

Mar 2023

Tesla Hopper

Generation

Tesla Hopper

AI GPU

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1095 MHz

Base Clock

1095 MHz

1755 MHz

Boost Clock

1755 MHz

1313 MHz

Memory Clock

1593 MHz

Memory

80GB

Memory Size

80GB

HBM3

Memory Type

HBM2e

5120bit

Memory Bus

5120bit

1681GB/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

42.12 GPixel/s

Pixel Rate

42.12 GPixel/s

926.6 GTexel/s

Texture Rate

800.3 GTexel/s

237.2 TFLOPS

FP16 (half)

204.9 TFLOPS

59.30 TFLOPS

FP32 (float)

51.22 TFLOPS

29.65 TFLOPS

FP64 (double)

25.61 TFLOPS

Graphics Processor

GH100

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

1x 16-pin

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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