NVIDIA GRID K520Q vs NVIDIA Quadro P400

VS

We compared two Professional market GPUs: 4GB VRAM GRID K520Q and 2GB VRAM Quadro P400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID K520Q 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 32.06GB/s)

1280 additional rendering cores

NVIDIA Quadro P400 's Advantages

Released 2 years and 7 months late

Boost Clock1252MHz

Lower TDP (30W vs 225W)

Score

Benchmark

FP32 (float)

GRID K520Q +257%

2.289 TFLOPS

Quadro P400

0.641 TFLOPS

GRID K520Q

VS

Quadro P400

Graphics Card

Jul 2014

Release Date

Feb 2017

GRID

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1228 MHz

-

Boost Clock

1252 MHz

1250 MHz

Memory Clock

1002 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

32.06GB/s

Render Config

-

SM Count

2

-

Compute Units

-

1536

Shading Units

256

128

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

512 KB

Theoretical Performance

23.84 GPixel/s

Pixel Rate

20.03 GPixel/s

95.36 GTexel/s

Texture Rate

20.03 GTexel/s

-

FP16 (half)

10.02 GFLOPS

2.289 TFLOPS

FP32 (float)

641.0 GFLOPS

95.36 GFLOPS

FP64 (double)

20.03 GFLOPS

Graphics Processor

GK104

GPU Name

GP107

-

GPU Variant

GP107-825-KA-A1

Kepler

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

3.54 billion

Transistors

3.3 billion

294 mm²

Die Size

132 mm²

Board Design

225W

TDP

30W

550 W

Suggested PSU

200 W

No outputs

Outputs

3x mini-DisplayPort 1.4a

-

Power Connectors

None

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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