NVIDIA A100 PCIe 80 GB vs NVIDIA Tesla K40c

VS

NVIDIA A100 PCIe 80 GB

NVIDIA Tesla K40c

We compared two Professional market GPUs: 80GB VRAM A100 PCIe 80 GB and 12GB VRAM Tesla K40c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A100 PCIe 80 GB 's Advantages

Released 7 years and 8 months late

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

More VRAM (80GB vs 12GB)

Larger VRAM bandwidth (1.94TB/s vs 288.4GB/s)

4032 additional rendering cores

NVIDIA Tesla K40c 's Advantages

Lower TDP (245W vs 300W)

Score

Benchmark

FP32 (float)

A100 PCIe 80 GB +286%

19.49 TFLOPS

Tesla K40c

5.046 TFLOPS

A100 PCIe 80 GB

VS

Tesla K40c

Graphics Card

Jun 2021

Release Date

Oct 2013

Tesla Ampere(Axx)

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1065 MHz

Base Clock

745 MHz

1410 MHz

Boost Clock

876 MHz

1512 MHz

Memory Clock

1502 MHz

Memory

80GB

Memory Size

12GB

HBM2e

Memory Type

GDDR5

5120bit

Memory Bus

384bit

1.94TB/s

Bandwidth

288.4GB/s

Render Config

-

108

SM Count

-

6912

Shading Units

2880

432

TMUs

240

160

ROPs

48

432

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per SMX)

80 MB

L2 Cache

1536 KB

-

Theoretical Performance

225.6 GPixel/s

Pixel Rate

52.56 GPixel/s

609.1 GTexel/s

Texture Rate

210.2 GTexel/s

77.97 TFLOPS

FP16 (half)

-

19.49 TFLOPS

FP32 (float)

5.046 TFLOPS

9.746 TFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

300W

TDP

245W

700 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA100

GPU Name

GK180

-

GPU Variant

GK180-890-A1

Ampere

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

7.08 billion

826 mm²

Die Size

561 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

8.0

CUDA

3.5

N/A

Shader Model

5.1

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