NVIDIA Tesla K20Xm vs NVIDIA GRID K540Q

VS

NVIDIA Tesla K20Xm

NVIDIA GRID K540Q

We compared two Professional market GPUs: 6GB VRAM Tesla K20Xm and 4GB VRAM GRID K540Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20Xm 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (249.6GB/s vs 160.0GB/s)

1152 additional rendering cores

NVIDIA GRID K540Q 's Advantages

Released 1 years and 8 months late

Lower TDP (225W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20Xm +71%

3.935 TFLOPS

GRID K540Q

2.289 TFLOPS

Tesla K20Xm

VS

GRID K540Q

Graphics Card

Nov 2012

Release Date

Jul 2014

Tesla

Generation

GRID

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

1250 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

249.6GB/s

Bandwidth

160.0GB/s

Render Config

-

2688

Shading Units

1536

224

TMUs

128

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

23.84 GPixel/s

164.0 GTexel/s

Texture Rate

95.36 GTexel/s

-

3.935 TFLOPS

FP32 (float)

2.289 TFLOPS

1312 GFLOPS

FP64 (double)

95.36 GFLOPS

Board Design

235W

TDP

225W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

-

Graphics Processor

GK110

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_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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