NVIDIA Quadro K620 vs NVIDIA GRID K140Q

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 1024MB VRAM GRID K140Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Released 1 years and 1 months late

Boost Clock1124MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 28.51GB/s)

192 additional rendering cores

Lower TDP (45W vs 130W)

Score

Benchmark

FP32 (float)

Quadro K620 +164%

0.863 TFLOPS

GRID K140Q

0.326 TFLOPS

Quadro K620

VS

GRID K140Q

Graphics Card

Jul 2014

Release Date

Jun 2013

Quadro

Generation

GRID

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1058 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

192

24

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

3.400 GPixel/s

26.98 GTexel/s

Texture Rate

13.60 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

326.4 GFLOPS

26.98 GFLOPS

FP64 (double)

13.60 GFLOPS

Graphics Processor

GM107

GPU Name

GK107

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.27 billion

148 mm²

Die Size

118 mm²

Board Design

45W

TDP

130W

200 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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