NVIDIA Quadro K620 vs NVIDIA Quadro P620

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 2GB VRAM Quadro P620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro P620 's Advantages

Released 3 years and 7 months late

Boost Clock has increased by 20% (1354MHz vs 1124MHz)

Larger VRAM bandwidth (80.13GB/s vs 28.80GB/s)

128 additional rendering cores

Lower TDP (40W vs 45W)

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

Quadro P620 +60%

1.386 TFLOPS

Quadro K620

VS

Quadro P620

Graphics Card

Jul 2014

Release Date

Feb 2018

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1058 MHz

Base Clock

1266 MHz

1124 MHz

Boost Clock

1354 MHz

900 MHz

Memory Clock

1252 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

80.13GB/s

Render Config

-

SM Count

4

-

Compute Units

-

384

Shading Units

512

24

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

48 KB (per SM)

2 MB

L2 Cache

1024 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

21.66 GPixel/s

26.98 GTexel/s

Texture Rate

43.33 GTexel/s

-

FP16 (half)

21.66 GFLOPS

863.2 GFLOPS

FP32 (float)

1386 GFLOPS

26.98 GFLOPS

FP64 (double)

43.33 GFLOPS

Graphics Processor

GM107

GPU Name

GP107

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

1.87 billion

Transistors

3.3 billion

148 mm²

Die Size

132 mm²

Board Design

45W

TDP

40W

200 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

6.1

5.1

Shader Model

6.4

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