NVIDIA Quadro P400 vs NVIDIA Quadro CX

VS

We compared two Professional market GPUs: 2GB VRAM Quadro P400 and 1536MB VRAM Quadro CX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro P400 's Advantages

Released 8 years and 3 months late

Boost Clock1252MHz

More VRAM (2GB vs 1GB)

64 additional rendering cores

Lower TDP (30W vs 150W)

NVIDIA Quadro CX 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 32.06GB/s)

Score

Benchmark

FP32 (float)

Quadro P400 +38%

0.641 TFLOPS

Quadro CX

0.462 TFLOPS

Quadro P400

VS

Quadro CX

Graphics Card

Feb 2017

Release Date

Nov 2008

Quadro

Generation

Quadro CX

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1228 MHz

Base Clock

-

1252 MHz

Boost Clock

-

1002 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

384bit

32.06GB/s

Bandwidth

76.80GB/s

Render Config

2

SM Count

24

-

Compute Units

-

256

Shading Units

192

16

TMUs

64

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

192 KB

Theoretical Performance

20.03 GPixel/s

Pixel Rate

14.45 GPixel/s

20.03 GTexel/s

Texture Rate

38.53 GTexel/s

10.02 GFLOPS

FP16 (half)

-

641.0 GFLOPS

FP32 (float)

462.3 GFLOPS

20.03 GFLOPS

FP64 (double)

57.79 GFLOPS

Graphics Processor

GP107

GPU Name

GT200B

GP107-825-KA-A1

GPU Variant

-

Pascal

Architecture

Tesla 2.0

Samsung

Foundry

TSMC

14 nm

Process Size

55 nm

3.3 billion

Transistors

1.4 billion

132 mm²

Die Size

470 mm²

Board Design

30W

TDP

150W

200 W

Suggested PSU

450 W

3x mini-DisplayPort 1.4a

Outputs

1x DVI 2x DisplayPort 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

6.1

CUDA

1.3

6.4

Shader Model

4.0

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