NVIDIA Tesla K20X vs NVIDIA Quadro K4200

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We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 4GB VRAM Quadro K4200 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (249.6GB/s vs 172.8GB/s)

1344 additional rendering cores

NVIDIA Quadro K4200 's Advantages

Released 1 years and 8 months late

Boost Clock784MHz

Lower TDP (108W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20X +86%

3.935 TFLOPS

Quadro K4200

2.107 TFLOPS

Tesla K20X

VS

Quadro K4200

Graphics Card

Nov 2012

Release Date

Jul 2014

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

784 MHz

1300 MHz

Memory Clock

1350 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

249.6GB/s

Bandwidth

172.8GB/s

Render Config

-

SM Count

-

Compute Units

-

2688

Shading Units

1344

224

TMUs

112

48

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

512 KB

Theoretical Performance

40.99 GPixel/s

Pixel Rate

21.95 GPixel/s

164.0 GTexel/s

Texture Rate

87.81 GTexel/s

-

FP16 (half)

-

3.935 TFLOPS

FP32 (float)

2.107 TFLOPS

1312 GFLOPS

FP64 (double)

87.81 GFLOPS

Graphics Processor

GK110

GPU Name

GK104

-

GPU Variant

GK104-850-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

3.54 billion

561 mm²

Die Size

294 mm²

Board Design

235W

TDP

108W

550 W

Suggested PSU

300 W

No outputs

Outputs

1x DVI 2x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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