NVIDIA Tesla K20s vs NVIDIA GRID A100B

VS

We compared two Professional market GPUs: 5GB VRAM Tesla K20s and 48GB VRAM GRID A100B to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20s 's Advantages

Lower TDP (225W vs 400W)

NVIDIA GRID A100B 's Advantages

Released 7 years and 3 months late

Boost Clock1005MHz

More VRAM (48GB vs 5GB)

Larger VRAM bandwidth (1866GB/s vs 208.0GB/s)

4416 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K20s

2.87 TFLOPS

GRID A100B +383%

13.89 TFLOPS

Tesla K20s

VS

GRID A100B

Graphics Card

Feb 2013

Release Date

May 2020

Tesla

Generation

GRID

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1005 MHz

1300 MHz

Memory Clock

1215 MHz

Memory

5GB

Memory Size

48GB

GDDR5

Memory Type

HBM2e

320bit

Memory Bus

6144bit

208.0GB/s

Bandwidth

1866GB/s

Render Config

-

SM Count

108

-

Compute Units

-

2496

Shading Units

6912

208

TMUs

432

40

ROPs

192

-

Tensor Cores

432

-

RT Cores

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

1280 KB

L2 Cache

48 MB

Theoretical Performance

29.90 GPixel/s

Pixel Rate

193.0 GPixel/s

119.6 GTexel/s

Texture Rate

434.2 GTexel/s

-

FP16 (half)

55.57 TFLOPS

2.870 TFLOPS

FP32 (float)

13.89 TFLOPS

956.8 GFLOPS

FP64 (double)

6.947 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

400W

550 W

Suggested PSU

800 W

No outputs

Outputs

No outputs

-

Power Connectors

None

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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