NVIDIA Tesla K20m vs NVIDIA Quadro P620 Mobile

VS

NVIDIA Tesla K20m NVIDIA Quadro P620 Mobile

We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 4GB VRAM Quadro P620 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 4GB)

Larger VRAM bandwidth (208.0GB/s vs 96.13GB/s)

1984 additional rendering cores

NVIDIA Quadro P620 Mobile 's Advantages

Released 5 years and 1 months late

Boost Clock1443MHz

Lower TDP (40W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20m +138%

3.524 TFLOPS

Quadro P620 Mobile

1.478 TFLOPS

Tesla K20m

VS

Quadro P620 Mobile

Graphics Card

Jan 2013

Release Date

Feb 2018

Tesla

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1177 MHz

-

Boost Clock

1443 MHz

1300 MHz

Memory Clock

1502 MHz

Memory

5GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

128bit

208.0GB/s

Bandwidth

96.13GB/s

Render Config

-

SM Count

4

-

Compute Units

-

2496

Shading Units

512

208

TMUs

32

40

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

1280 KB

L2 Cache

1024 KB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

23.09 GPixel/s

146.8 GTexel/s

Texture Rate

46.18 GTexel/s

-

FP16 (half)

23.09 GFLOPS

3.524 TFLOPS

FP32 (float)

1478 GFLOPS

1175 GFLOPS

FP64 (double)

46.18 GFLOPS

Graphics Processor

GK110

GPU Name

GP107

-

GPU Variant

-

Kepler

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

7.08 billion

Transistors

3.3 billion

561 mm²

Die Size

132 mm²

Board Design

225W

TDP

40W

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 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

6.1

5.1

Shader Model

6.4

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