NVIDIA Tesla K40s vs NVIDIA Quadro P400

VS

We compared two Professional market GPUs: 12GB VRAM Tesla K40s and 2GB VRAM Quadro P400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40s 's Advantages

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 32.06GB/s)

2624 additional rendering cores

NVIDIA Quadro P400 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 43% (1252MHz vs 876MHz)

Lower TDP (30W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40s +687%

5.046 TFLOPS

Quadro P400

0.641 TFLOPS

Tesla K40s

VS

Quadro P400

Graphics Card

Nov 2013

Release Date

Feb 2017

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

745 MHz

Base Clock

1228 MHz

876 MHz

Boost Clock

1252 MHz

1502 MHz

Memory Clock

1002 MHz

Memory

12GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

64bit

288.4GB/s

Bandwidth

32.06GB/s

Render Config

-

SM Count

2

-

Compute Units

-

2880

Shading Units

256

240

TMUs

16

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

1536 KB

L2 Cache

512 KB

Theoretical Performance

52.56 GPixel/s

Pixel Rate

20.03 GPixel/s

210.2 GTexel/s

Texture Rate

20.03 GTexel/s

-

FP16 (half)

10.02 GFLOPS

5.046 TFLOPS

FP32 (float)

641.0 GFLOPS

1.682 TFLOPS

FP64 (double)

20.03 GFLOPS

Graphics Processor

GK110B

GPU Name

GP107

-

GPU Variant

GP107-825-KA-A1

Kepler

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

7.08 billion

Transistors

3.3 billion

561 mm²

Die Size

132 mm²

Board Design

245W

TDP

30W

550 W

Suggested PSU

200 W

No outputs

Outputs

3x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

6.1

5.1

Shader Model

6.4

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