NVIDIA H800 SXM5 vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

NVIDIA H800 SXM5 NVIDIA GeForce RTX 3080 Ti 20 GB

AI GPU We compared a GPU: 80GB VRAM H800 SXM5 and a Desktop platform GPU: 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA H800 SXM5 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 5% (1755MHz vs 1665MHz)

More VRAM (80GB vs 20GB)

Larger VRAM bandwidth (1681GB/s vs 760.3GB/s)

6656 additional rendering cores

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Lower TDP (350W vs 700W)

Score

Benchmark

FP32 (float)

H800 SXM5 +73%

59.3 TFLOPS

GeForce RTX 3080 Ti 20 GB

34.1 TFLOPS

H800 SXM5

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Mar 2023

Release Date

Jan 2022

Tesla Hopper

Generation

GeForce 30

AI GPU

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1095 MHz

Base Clock

1335 MHz

1755 MHz

Boost Clock

1665 MHz

1313 MHz

Memory Clock

1188 MHz

Memory

80GB

Memory Size

20GB

HBM3

Memory Type

GDDR6X

5120bit

Memory Bus

320bit

1681GB/s

Bandwidth

760.3GB/s

Render Config

132

SM Count

80

-

Compute Units

-

16896

Shading Units

10240

528

TMUs

320

24

ROPs

112

528

Tensor Cores

320

-

RT Cores

80

256 KB (per SM)

L1 Cache

128 KB (per SM)

50 MB

L2 Cache

6 MB

Theoretical Performance

42.12 GPixel/s

Pixel Rate

186.5 GPixel/s

926.6 GTexel/s

Texture Rate

532.8 GTexel/s

237.2 TFLOPS

FP16 (half)

34.10 TFLOPS

59.30 TFLOPS

FP32 (float)

34.10 TFLOPS

29.65 TFLOPS

FP64 (double)

532.8 GFLOPS

Graphics Processor

GH100

GPU Name

GA102

-

GPU Variant

GA102-225-A1

Hopper

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

80 billion

Transistors

28.3 billion

814 mm²

Die Size

628 mm²

Board Design

700W

TDP

350W

1100 W

Suggested PSU

750 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 12-pin

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.3

9.0

CUDA

8.6

N/A

Shader Model

6.6

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