NVIDIA Quadro K620M vs NVIDIA Quadro K4000M

VS

NVIDIA Quadro K620M

NVIDIA Quadro K4000M

We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 4GB VRAM Quadro K4000M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620M 's Advantages

Released 2 years and 9 months late

Boost Clock1124MHz

Lower TDP (30W vs 100W)

NVIDIA Quadro K4000M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (89.60GB/s vs 14.40GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620M

0.863 TFLOPS

Quadro K4000M +33%

1.154 TFLOPS

Blender

Quadro K620M

82

Quadro K4000M +14%

94

OctaneBench

Quadro K620M

18

Quadro K4000M +11%

20

Quadro K620M

VS

Quadro K4000M

Graphics Card

Mar 2015

Release Date

Jun 2012

Quadro Mobile

Generation

Quadro Mobile

Professional

Type

Professional

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

89.60GB/s

Render Config

-

384

Shading Units

960

16

TMUs

80

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

12.02 GPixel/s

17.98 GTexel/s

Texture Rate

48.08 GTexel/s

-

863.2 GFLOPS

FP32 (float)

1154 GFLOPS

26.98 GFLOPS

FP64 (double)

48.08 GFLOPS

Board Design

30W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

GK104

N15M-Q3

GPU Variant

N14E-Q3-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

3.54 billion

Unknown

Die Size

294 mm²

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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