NVIDIA Tesla K20m vs NVIDIA A100 PCIe 80 GB

VS

NVIDIA Tesla K20m NVIDIA A100 PCIe 80 GB

We compared two Professional market GPUs: 5GB VRAM Tesla K20m 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 K20m 's Advantages

Lower TDP (225W vs 300W)

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

Score

Benchmark

FP32 (float)

Tesla K20m

3.524 TFLOPS

A100 PCIe 80 GB +453%

19.49 TFLOPS

Tesla K20m

VS

A100 PCIe 80 GB

Graphics Card

Jan 2013

Release Date

Jun 2021

Tesla

Generation

Tesla Ampere

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1065 MHz

-

Boost Clock

1410 MHz

1300 MHz

Memory Clock

1512 MHz

Memory

5GB

Memory Size

80GB

GDDR5

Memory Type

HBM2e

320bit

Memory Bus

5120bit

208.0GB/s

Bandwidth

1935GB/s

Render Config

-

SM Count

108

-

Compute Units

-

2496

Shading Units

6912

208

TMUs

432

40

ROPs

160

-

Tensor Cores

432

-

RT Cores

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

1280 KB

L2 Cache

80 MB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

225.6 GPixel/s

146.8 GTexel/s

Texture Rate

609.1 GTexel/s

-

FP16 (half)

77.97 TFLOPS

3.524 TFLOPS

FP32 (float)

19.49 TFLOPS

1175 GFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GK110

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

225W

TDP

300W

550 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

8-pin EPS

Graphics Features

12 (11_0)

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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