NVIDIA Quadro K420 vs NVIDIA GRID K520Q

VS

NVIDIA Quadro K420

NVIDIA GRID K520Q

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 4GB VRAM GRID K520Q 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 225W)

NVIDIA GRID K520Q 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 28.51GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

GRID K520Q +581%

2.289 TFLOPS

Quadro K420

VS

GRID K520Q

Graphics Card

Jul 2014

Release Date

Jul 2014

Quadro

Generation

GRID

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

160.0GB/s

Render Config

-

192

Shading Units

1536

16

TMUs

128

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

23.84 GPixel/s

14.02 GTexel/s

Texture Rate

95.36 GTexel/s

-

336.4 GFLOPS

FP32 (float)

2.289 TFLOPS

14.02 GFLOPS

FP64 (double)

95.36 GFLOPS

Board Design

41W

TDP

225W

200 W

Suggested PSU

550 W

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK107

GPU Name

GK104

GK107-301-A2

GPU Variant

-

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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