NVIDIA Quadro K4000 vs NVIDIA Tesla K20X

VS

NVIDIA Quadro K4000

NVIDIA Tesla K20X

We compared two Professional market GPUs: 3GB VRAM Quadro K4000 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K4000 's Advantages

Lower TDP (80W vs 235W)

NVIDIA Tesla K20X 's Advantages

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (249.6GB/s vs 134.8GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K4000

1.244 TFLOPS

Tesla K20X +216%

3.935 TFLOPS

Quadro K4000

VS

Tesla K20X

Graphics Card

Mar 2013

Release Date

Nov 2012

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1404 MHz

Memory Clock

1300 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

134.8GB/s

Bandwidth

249.6GB/s

Render Config

-

768

Shading Units

2688

64

TMUs

224

24

ROPs

48

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

1536 KB

-

Theoretical Performance

12.96 GPixel/s

Pixel Rate

40.99 GPixel/s

51.84 GTexel/s

Texture Rate

164.0 GTexel/s

-

1244 GFLOPS

FP32 (float)

3.935 TFLOPS

51.84 GFLOPS

FP64 (double)

1312 GFLOPS

Board Design

80W

TDP

235W

250 W

Suggested PSU

550 W

1x DVI 2x DisplayPort 1.2

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK106

GPU Name

GK110

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

7.08 billion

221 mm²

Die Size

561 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

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