NVIDIA Tesla K40s vs NVIDIA GRID K520

VS

NVIDIA Tesla K40s

NVIDIA GRID K520

We compared two Professional market GPUs: 12GB VRAM Tesla K40s and 4GB VRAM GRID K520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40s 's Advantages

Boost Clock876MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (288.4GB/s vs 160.0GB/s)

1344 additional rendering cores

NVIDIA GRID K520 's Advantages

Lower TDP (225W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40s +120%

5.046 TFLOPS

GRID K520

2.289 TFLOPS

Tesla K40s

VS

GRID K520

Graphics Card

Nov 2013

Release Date

Jul 2013

Tesla

Generation

GRID

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

745 MHz

Base Clock

-

876 MHz

Boost Clock

-

1502 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

160.0GB/s

Render Config

-

2880

Shading Units

1536

240

TMUs

128

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

23.84 GPixel/s

210.2 GTexel/s

Texture Rate

95.36 GTexel/s

-

5.046 TFLOPS

FP32 (float)

2.289 TFLOPS

1.682 TFLOPS

FP64 (double)

95.36 GFLOPS

Board Design

245W

TDP

225W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

-

Power Connectors

1x 8-pin

Graphics Processor

GK110B

GPU Name

GK104

-

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

Graphics Features

12 (11_1)

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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