NVIDIA Quadro K420 vs NVIDIA Quadro P1000

VS

NVIDIA Quadro K420

NVIDIA Quadro P1000

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 4GB VRAM Quadro P1000 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 47W)

NVIDIA Quadro P1000 's Advantages

Released 2 years and 7 months late

Boost Clock1480MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.19GB/s vs 28.51GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

Quadro P1000 +463%

1.894 TFLOPS

Quadro K420

VS

Quadro P1000

Graphics Card

Jul 2014

Release Date

Feb 2017

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1266 MHz

-

Boost Clock

1480 MHz

891 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

5

192

Shading Units

640

16

TMUs

40

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

47.36 GPixel/s

14.02 GTexel/s

Texture Rate

59.20 GTexel/s

-

FP16 (half)

29.60 GFLOPS

336.4 GFLOPS

FP32 (float)

1.894 TFLOPS

14.02 GFLOPS

FP64 (double)

59.20 GFLOPS

Board Design

41W

TDP

47W

200 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.2

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

GP107

GK107-301-A2

GPU Variant

GP107-860-A1

Kepler

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

1.27 billion

Transistors

3.3 billion

118 mm²

Die Size

132 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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