NVIDIA Tesla K40m vs NVIDIA A100 PCIe 80 GB

VS

NVIDIA Tesla K40m NVIDIA A100 PCIe 80 GB

We compared two Professional market GPUs: 12GB VRAM Tesla K40m and 80GB VRAM A100 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40m 's Advantages

Lower TDP (245W vs 300W)

NVIDIA A100 PCIe 80 GB 's Advantages

Released 7 years and 7 months late

Boost Clock has increased by 61% (1410MHz vs 876MHz)

More VRAM (80GB vs 12GB)

Larger VRAM bandwidth (1935GB/s vs 288.4GB/s)

4032 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K40m

5.046 TFLOPS

A100 PCIe 80 GB +286%

19.49 TFLOPS

OctaneBench

Tesla K40m

68

A100 PCIe 80 GB +355%

310

Tesla K40m

VS

A100 PCIe 80 GB

Graphics Card

Nov 2013

Release Date

Jun 2021

Tesla

Generation

Tesla Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

745 MHz

Base Clock

1065 MHz

876 MHz

Boost Clock

1410 MHz

1502 MHz

Memory Clock

1512 MHz

Memory

12GB

Memory Size

80GB

GDDR5

Memory Type

HBM2e

384bit

Memory Bus

5120bit

288.4GB/s

Bandwidth

1935GB/s

Render Config

-

SM Count

108

-

Compute Units

-

2880

Shading Units

6912

240

TMUs

432

48

ROPs

160

-

Tensor Cores

432

-

RT Cores

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

1536 KB

L2 Cache

80 MB

Theoretical Performance

52.56 GPixel/s

Pixel Rate

225.6 GPixel/s

210.2 GTexel/s

Texture Rate

609.1 GTexel/s

-

FP16 (half)

77.97 TFLOPS

5.046 TFLOPS

FP32 (float)

19.49 TFLOPS

1.682 TFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GK110B

GPU Name

GA100

-

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

7.08 billion

Transistors

54.2 billion

561 mm²

Die Size

826 mm²

Board Design

245W

TDP

300W

550 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

-

Power Connectors

8-pin EPS

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

8.0

5.1

Shader Model

N/A

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