NVIDIA Quadro K420 vs NVIDIA Quadro P4000 Mobile

VS

NVIDIA Quadro K420

NVIDIA Quadro P4000 Mobile

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 8GB VRAM Quadro P4000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 100W)

NVIDIA Quadro P4000 Mobile 's Advantages

Released 2 years and 6 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 28.51GB/s)

1600 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

Quadro P4000 Mobile +1208%

4.398 TFLOPS

Quadro K420

VS

Quadro P4000 Mobile

Graphics Card

Jul 2014

Release Date

Jan 2017

Quadro

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

891 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

192.3GB/s

Render Config

-

SM Count

14

192

Shading Units

1792

16

TMUs

112

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

78.53 GPixel/s

14.02 GTexel/s

Texture Rate

137.4 GTexel/s

-

FP16 (half)

68.71 GFLOPS

336.4 GFLOPS

FP32 (float)

4.398 TFLOPS

14.02 GFLOPS

FP64 (double)

137.4 GFLOPS

Board Design

41W

TDP

100W

200 W

Suggested PSU

-

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

GP104

GK107-301-A2

GPU Variant

N17E-Q3-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

1.27 billion

Transistors

7.2 billion

118 mm²

Die Size

314 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

6.1

5.1

Shader Model

6.4

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