NVIDIA Quadro K4000M vs NVIDIA Quadro M620 Mobile

VS

NVIDIA Quadro K4000M

NVIDIA Quadro M620 Mobile

We compared two Professional market GPUs: 4GB VRAM Quadro K4000M and 2GB VRAM Quadro M620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K4000M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (89.60GB/s vs 80.19GB/s)

448 additional rendering cores

NVIDIA Quadro M620 Mobile 's Advantages

Released 4 years and 7 months late

Boost Clock977MHz

Lower TDP (30W vs 100W)

Score

Benchmark

FP32 (float)

Quadro K4000M +15%

1.154 TFLOPS

Quadro M620 Mobile

1 TFLOPS

OctaneBench

Quadro K4000M

20

Quadro M620 Mobile +35%

27

Quadro K4000M

VS

Quadro M620 Mobile

Graphics Card

Jun 2012

Release Date

Jan 2017

Quadro Mobile

Generation

Quadro Mobile

Professional

Type

Professional

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

756 MHz

-

Boost Clock

977 MHz

700 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

80.19GB/s

Render Config

-

960

Shading Units

512

80

TMUs

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

15.63 GPixel/s

48.08 GTexel/s

Texture Rate

31.26 GTexel/s

-

1154 GFLOPS

FP32 (float)

1000 GFLOPS

48.08 GFLOPS

FP64 (double)

31.26 GFLOPS

Board Design

100W

TDP

30W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

GM107

N14E-Q3-A2

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.87 billion

294 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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