NVIDIA Quadro K420 vs NVIDIA Quadro K4000M

VS

NVIDIA Quadro K420

NVIDIA Quadro K4000M

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 4GB VRAM Quadro K4000M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Released 2 years and 1 months late

Lower TDP (41W vs 100W)

NVIDIA Quadro K4000M 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (89.60GB/s vs 28.51GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

Quadro K4000M +243%

1.154 TFLOPS

Quadro K420

VS

Quadro K4000M

Graphics Card

Jul 2014

Release Date

Jun 2012

Quadro

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

891 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

89.60GB/s

Render Config

-

192

Shading Units

960

16

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

12.02 GPixel/s

14.02 GTexel/s

Texture Rate

48.08 GTexel/s

-

336.4 GFLOPS

FP32 (float)

1154 GFLOPS

14.02 GFLOPS

FP64 (double)

48.08 GFLOPS

Board Design

41W

TDP

100W

200 W

Suggested PSU

-

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK107

GPU Name

GK104

GK107-301-A2

GPU Variant

N14E-Q3-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

3.54 billion

118 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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