NVIDIA Quadro K620M vs NVIDIA GRID M40

VS

NVIDIA Quadro K620M

NVIDIA GRID M40

We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 8GB VRAM GRID M40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620M 's Advantages

Boost Clock1124MHz

Lower TDP (30W vs 50W)

NVIDIA GRID M40 's Advantages

Released 1 years and 2 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (83.20GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Quadro K620M +8%

0.863 TFLOPS

GRID M40

0.793 TFLOPS

Quadro K620M

VS

GRID M40

Graphics Card

Mar 2015

Release Date

May 2016

Quadro Mobile

Generation

GRID

Professional

Type

Professional

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

1300 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

83.20GB/s

Render Config

-

384

Shading Units

384

16

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

16.53 GPixel/s

17.98 GTexel/s

Texture Rate

33.06 GTexel/s

-

863.2 GFLOPS

FP32 (float)

793.3 GFLOPS

26.98 GFLOPS

FP64 (double)

24.79 GFLOPS

Board Design

30W

TDP

50W

-

Suggested PSU

250 W

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

GM107

N15M-Q3

GPU Variant

-

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.87 billion

Unknown

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.0

5.1

Shader Model

5.1

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