NVIDIA Tesla K8 vs NVIDIA Quadro P400

VS

NVIDIA Tesla K8

NVIDIA Quadro P400

We compared two Professional market GPUs: 8GB VRAM Tesla K8 and 2GB VRAM Quadro P400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K8 's Advantages

More VRAM (8GB 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 5 months late

Boost Clock has increased by 54% (1252MHz vs 811MHz)

Lower TDP (30W vs 100W)

Score

Benchmark

FP32 (float)

Tesla K8 +288%

2.491 TFLOPS

Quadro P400

0.641 TFLOPS

Tesla K8

VS

Quadro P400

Graphics Card

Sep 2014

Release Date

Feb 2017

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

693 MHz

Base Clock

1228 MHz

811 MHz

Boost Clock

1252 MHz

1250 MHz

Memory Clock

1002 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

32.06GB/s

Render Config

-

SM Count

2

1536

Shading Units

256

128

TMUs

16

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

25.95 GPixel/s

Pixel Rate

20.03 GPixel/s

103.8 GTexel/s

Texture Rate

20.03 GTexel/s

-

FP16 (half)

10.02 GFLOPS

2.491 TFLOPS

FP32 (float)

641.0 GFLOPS

103.8 GFLOPS

FP64 (double)

20.03 GFLOPS

Board Design

100W

TDP

30W

300 W

Suggested PSU

200 W

No outputs

Outputs

3x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

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

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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