NVIDIA A100 PCIe 80 GB vs NVIDIA Tesla K20m

VS

NVIDIA A100 PCIe 80 GB NVIDIA Tesla K20m

We compared two Professional market GPUs: 80GB VRAM A100 PCIe 80 GB and 5GB VRAM Tesla K20m 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 8 years and 5 months late

Boost Clock1410MHz

More VRAM (80GB vs 5GB)

Larger VRAM bandwidth (1935GB/s vs 208.0GB/s)

4416 additional rendering cores

NVIDIA Tesla K20m 's Advantages

Lower TDP (225W vs 300W)

Score

Benchmark

FP32 (float)

A100 PCIe 80 GB +453%

19.49 TFLOPS

Tesla K20m

3.524 TFLOPS

A100 PCIe 80 GB

VS

Tesla K20m

Graphics Card

Jun 2021

Release Date

Jan 2013

Tesla Ampere

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1065 MHz

Base Clock

-

1410 MHz

Boost Clock

-

1512 MHz

Memory Clock

1300 MHz

Memory

80GB

Memory Size

5GB

HBM2e

Memory Type

GDDR5

5120bit

Memory Bus

320bit

1935GB/s

Bandwidth

208.0GB/s

Render Config

108

SM Count

-

Compute Units

-

6912

Shading Units

2496

432

TMUs

208

160

ROPs

40

432

Tensor Cores

-

RT Cores

-

192 KB (per SM)

L1 Cache

16 KB (per SMX)

80 MB

L2 Cache

1280 KB

Theoretical Performance

225.6 GPixel/s

Pixel Rate

36.71 GPixel/s

609.1 GTexel/s

Texture Rate

146.8 GTexel/s

77.97 TFLOPS

FP16 (half)

-

19.49 TFLOPS

FP32 (float)

3.524 TFLOPS

9.746 TFLOPS

FP64 (double)

1175 GFLOPS

Graphics Processor

GA100

GPU Name

GK110

-

GPU Variant

-

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

Board Design

300W

TDP

225W

700 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

1x 6-pin + 1x 8-pin

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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