NVIDIA H100 SXM5 64 GB vs NVIDIA H100 SXM5

VS

NVIDIA H100 SXM5 64 GB

NVIDIA H100 SXM5

AI GPUAI GPU We compared two GPUs: 64GB VRAM H100 SXM5 64 GB and 80GB VRAM H100 SXM5 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H100 SXM5 64 GB 's Advantages

Released 1 years late

NVIDIA H100 SXM5 's Advantages

More VRAM (80GB vs 64GB)

Larger VRAM bandwidth (3350GB/s vs 1008GB/s)

Score

Benchmark

FP32 (float)

H100 SXM5 64 GB

66.91 TFLOPS

H100 SXM5

66.91 TFLOPS

H100 SXM5 64 GB

VS

H100 SXM5

Graphics Card

Mar 2023

Release Date

Mar 2022

Tesla Hopper

Generation

Tesla Hopper

AI GPU

Type

AI GPU

PCIe 5.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1665 MHz

Base Clock

1590 MHz

1980 MHz

Boost Clock

1980 MHz

1313 MHz

Memory Clock

1313 MHz

Memory

64GB

Memory Size

80GB

HBM3

Memory Type

HBM3

3072bit

Memory Bus

5120bit

1008GB/s

Bandwidth

3350GB/s

Render Config

-

132

SM Count

132

16896

Shading Units

16896

528

TMUs

528

24

ROPs

24

528

Tensor Cores

528

-

256 KB (per SM)

L1 Cache

256 KB (per SM)

50 MB

L2 Cache

50 MB

-

Theoretical Performance

47.52 GPixel/s

Pixel Rate

47.52 GPixel/s

1045 GTexel/s

Texture Rate

1045 GTexel/s

267.6 TFLOPS

FP16 (half)

267.6 TFLOPS

66.91 TFLOPS

FP32 (float)

66.91 TFLOPS

33.45 TFLOPS

FP64 (double)

33.45 TFLOPS

Board Design

700W

TDP

700W

1100 W

Suggested PSU

1100 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

8-pin EPS

Graphics Processor

GH100

GPU Name

GH100

-

Hopper

Architecture

Hopper

TSMC

Foundry

TSMC

4 nm

Process Size

4 nm

80 billion

Transistors

80 billion

814 mm²

Die Size

814 mm²

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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