NVIDIA GRID K520 vs NVIDIA Tesla K20s

VS

NVIDIA GRID K520

NVIDIA Tesla K20s

We compared two Professional market GPUs: 4GB VRAM GRID K520 and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20s 's Advantages

More VRAM (5GB vs 4GB)

Larger VRAM bandwidth (208.0GB/s vs 160.0GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GRID K520

2.289 TFLOPS

Tesla K20s +25%

2.87 TFLOPS

GRID K520

VS

Tesla K20s

Graphics Card

Jul 2013

Release Date

Feb 2013

GRID

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1300 MHz

Memory

4GB

Memory Size

5GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

320bit

160.0GB/s

Bandwidth

208.0GB/s

Render Config

-

1536

Shading Units

2496

128

TMUs

208

32

ROPs

40

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1280 KB

-

Theoretical Performance

23.84 GPixel/s

Pixel Rate

29.90 GPixel/s

95.36 GTexel/s

Texture Rate

119.6 GTexel/s

-

2.289 TFLOPS

FP32 (float)

2.870 TFLOPS

95.36 GFLOPS

FP64 (double)

956.8 GFLOPS

Board Design

225W

TDP

225W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

GK110

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

7.08 billion

294 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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