NVIDIA Quadro 400 vs NVIDIA Tesla K20Xm

VS

NVIDIA Quadro 400

NVIDIA Tesla K20Xm

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

Main Differences

NVIDIA Quadro 400 's Advantages

Lower TDP (32W vs 235W)

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

Score

Benchmark

FP32 (float)

Quadro 400

0.108 TFLOPS

Tesla K20Xm +3543%

3.935 TFLOPS

Quadro 400

VS

Tesla K20Xm

Graphics Card

Apr 2011

Release Date

Nov 2012

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

770 MHz

Memory Clock

1300 MHz

Memory

512MB

Memory Size

6GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

12.32GB/s

Bandwidth

249.6GB/s

Render Config

-

6

SM Count

-

48

Shading Units

2688

16

TMUs

224

8

ROPs

48

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

1536 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

40.99 GPixel/s

7.200 GTexel/s

Texture Rate

164.0 GTexel/s

-

108.0 GFLOPS

FP32 (float)

3.935 TFLOPS

-

FP64 (double)

1312 GFLOPS

Board Design

32W

TDP

235W

200 W

Suggested PSU

550 W

1x DVI 1x DisplayPort

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GT216

GPU Name

GK110

GT216 GL

GPU Variant

-

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.486 billion

Transistors

7.08 billion

100 mm²

Die Size

561 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.2

CUDA

3.5

4.1

Shader Model

5.1

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