NVIDIA Quadro P4000 vs NVIDIA Quadro K420

VS

NVIDIA Quadro P4000

NVIDIA Quadro K420

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

Main Differences

NVIDIA Quadro P4000 's Advantages

Released 2 years and 7 months late

Boost Clock1480MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (243.3GB/s vs 28.51GB/s)

1600 additional rendering cores

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 105W)

Score

Benchmark

FP32 (float)

Quadro P4000 +1478%

5.304 TFLOPS

Quadro K420

0.336 TFLOPS

Quadro P4000

VS

Quadro K420

Graphics Card

Feb 2017

Release Date

Jul 2014

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1202 MHz

Base Clock

-

1480 MHz

Boost Clock

-

1901 MHz

Memory Clock

891 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

243.3GB/s

Bandwidth

28.51GB/s

Render Config

-

14

SM Count

-

1792

Shading Units

192

112

TMUs

16

64

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

94.72 GPixel/s

Pixel Rate

3.504 GPixel/s

165.8 GTexel/s

Texture Rate

14.02 GTexel/s

82.88 GFLOPS

FP16 (half)

-

5.304 TFLOPS

FP32 (float)

336.4 GFLOPS

165.8 GFLOPS

FP64 (double)

14.02 GFLOPS

Board Design

105W

TDP

41W

300 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.2

1x 6-pin

Power Connectors

None

Graphics Processor

GP104

GPU Name

GK107

GP104-850-A1

GPU Variant

GK107-301-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

1.27 billion

314 mm²

Die Size

118 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

6.1

CUDA

3.0

6.4

Shader Model

5.1

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