NVIDIA Tesla K40s vs NVIDIA H800 PCIe 80 GB

VS

NVIDIA Tesla K40s NVIDIA H800 PCIe 80 GB

AI GPU We compared a Professional market GPU: 12GB VRAM Tesla K40s and a GPU: 80GB VRAM H800 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40s 's Advantages

Lower TDP (245W vs 350W)

NVIDIA H800 PCIe 80 GB 's Advantages

Released 9 years and 4 months late

Boost Clock has increased by 100% (1755MHz vs 876MHz)

More VRAM (80GB vs 12GB)

Larger VRAM bandwidth (2039GB/s vs 288.4GB/s)

11712 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K40s

5.046 TFLOPS

H800 PCIe 80 GB +915%

51.22 TFLOPS

Tesla K40s

VS

H800 PCIe 80 GB

Graphics Card

Nov 2013

Release Date

Mar 2023

Tesla

Generation

Tesla Hopper

Professional

Type

AI GPU

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

745 MHz

Base Clock

1095 MHz

876 MHz

Boost Clock

1755 MHz

1502 MHz

Memory Clock

1593 MHz

Memory

12GB

Memory Size

80GB

GDDR5

Memory Type

HBM2e

384bit

Memory Bus

5120bit

288.4GB/s

Bandwidth

2039GB/s

Render Config

-

SM Count

114

-

Compute Units

-

2880

Shading Units

14592

240

TMUs

456

48

ROPs

24

-

Tensor Cores

456

-

RT Cores

-

16 KB (per SMX)

L1 Cache

256 KB (per SM)

1536 KB

L2 Cache

50 MB

Theoretical Performance

52.56 GPixel/s

Pixel Rate

42.12 GPixel/s

210.2 GTexel/s

Texture Rate

800.3 GTexel/s

-

FP16 (half)

204.9 TFLOPS

5.046 TFLOPS

FP32 (float)

51.22 TFLOPS

1.682 TFLOPS

FP64 (double)

25.61 TFLOPS

Graphics Processor

GK110B

GPU Name

GH100

-

GPU Variant

-

Kepler

Architecture

Hopper

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

7.08 billion

Transistors

80 billion

561 mm²

Die Size

814 mm²

Board Design

245W

TDP

350W

550 W

Suggested PSU

750 W

No outputs

Outputs

No outputs

-

Power Connectors

1x 16-pin

Graphics Features

12 (11_1)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.5

CUDA

9.0

5.1

Shader Model

N/A

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