NVIDIA Tesla K20m vs NVIDIA Quadro M620 Mobile

VS

NVIDIA Tesla K20m NVIDIA Quadro M620 Mobile

We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 2GB VRAM Quadro M620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20m 's Advantages

More VRAM (5GB vs 2GB)

Larger VRAM bandwidth (208.0GB/s vs 80.19GB/s)

1984 additional rendering cores

NVIDIA Quadro M620 Mobile 's Advantages

Released 4 years late

Boost Clock977MHz

Lower TDP (30W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20m +252%

3.524 TFLOPS

Quadro M620 Mobile

1 TFLOPS

Tesla K20m

VS

Quadro M620 Mobile

Graphics Card

Jan 2013

Release Date

Jan 2017

Tesla

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

756 MHz

-

Boost Clock

977 MHz

1300 MHz

Memory Clock

1253 MHz

Memory

5GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

128bit

208.0GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

-

Compute Units

-

2496

Shading Units

512

208

TMUs

32

40

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

1280 KB

L2 Cache

2 MB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

15.63 GPixel/s

146.8 GTexel/s

Texture Rate

31.26 GTexel/s

-

FP16 (half)

-

3.524 TFLOPS

FP32 (float)

1000 GFLOPS

1175 GFLOPS

FP64 (double)

31.26 GFLOPS

Graphics Processor

GK110

GPU Name

GM107

-

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

1.87 billion

561 mm²

Die Size

148 mm²

Board Design

225W

TDP

30W

550 W

Suggested PSU

-

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.0

5.1

Shader Model

5.1

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