NVIDIA Tesla P40 vs NVIDIA Quadro K620

VS

NVIDIA Tesla P40

NVIDIA Quadro K620

We compared two Professional market GPUs: 24GB VRAM Tesla P40 and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla P40 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 36% (1531MHz vs 1124MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (347.1GB/s vs 28.80GB/s)

3456 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 250W)

Score

Benchmark

FP32 (float)

Tesla P40 +1262%

11.76 TFLOPS

Quadro K620

0.863 TFLOPS

Tesla P40

VS

Quadro K620

Graphics Card

Sep 2016

Release Date

Jul 2014

Tesla Pascal

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1303 MHz

Base Clock

1058 MHz

1531 MHz

Boost Clock

1124 MHz

1808 MHz

Memory Clock

900 MHz

Memory

24GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

347.1GB/s

Bandwidth

28.80GB/s

Render Config

-

30

SM Count

-

3840

Shading Units

384

240

TMUs

24

96

ROPs

16

-

48 KB (per SM)

L1 Cache

64 KB (per SMM)

3 MB

L2 Cache

2 MB

-

Theoretical Performance

147.0 GPixel/s

Pixel Rate

17.98 GPixel/s

367.4 GTexel/s

Texture Rate

26.98 GTexel/s

183.7 GFLOPS

FP16 (half)

-

11.76 TFLOPS

FP32 (float)

863.2 GFLOPS

367.4 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

250W

TDP

45W

600 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.4a

8-pin EPS

Power Connectors

None

Graphics Processor

GP102

GPU Name

GM107

-

GPU Variant

GM107-850-A2

Pascal

Architecture

Maxwell

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

11.8 billion

Transistors

1.87 billion

471 mm²

Die Size

148 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

6.1

CUDA

5.0

6.7

Shader Model

5.1

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