NVIDIA Tesla K20Xm vs NVIDIA Quadro 400

VS

NVIDIA Tesla K20Xm

NVIDIA Quadro 400

We compared two Professional market GPUs: 6GB VRAM Tesla K20Xm and 512MB VRAM Quadro 400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20Xm 's Advantages

Released 1 years and 7 months late

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (249.6GB/s vs 12.32GB/s)

2640 additional rendering cores

NVIDIA Quadro 400 's Advantages

Lower TDP (32W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20Xm +3543%

3.935 TFLOPS

Quadro 400

0.108 TFLOPS

Tesla K20Xm

VS

Quadro 400

Graphics Card

Nov 2012

Release Date

Apr 2011

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

770 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

249.6GB/s

Bandwidth

12.32GB/s

Render Config

-

SM Count

6

2688

Shading Units

48

224

TMUs

16

48

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

32 KB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

3.600 GPixel/s

164.0 GTexel/s

Texture Rate

7.200 GTexel/s

-

3.935 TFLOPS

FP32 (float)

108.0 GFLOPS

1312 GFLOPS

FP64 (double)

-

Board Design

235W

TDP

32W

550 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort

-

Power Connectors

None

Graphics Processor

GK110

GPU Name

GT216

-

GPU Variant

GT216 GL

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

0.486 billion

561 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.2

5.1

Shader Model

4.1

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