NVIDIA Tesla K20Xm vs NVIDIA Tesla K20X

VS

NVIDIA Tesla K20Xm

NVIDIA Tesla K20X

We compared two Professional market GPUs: 6GB VRAM Tesla K20Xm and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Score

Benchmark

FP32 (float)

Tesla K20Xm

3.935 TFLOPS

Tesla K20X

3.935 TFLOPS

Tesla K20Xm

VS

Tesla K20X

Graphics Card

Nov 2012

Release Date

Nov 2012

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

1300 MHz

Memory

6GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

249.6GB/s

Bandwidth

249.6GB/s

Render Config

-

2688

Shading Units

2688

224

TMUs

224

48

ROPs

48

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

1536 KB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

40.99 GPixel/s

164.0 GTexel/s

Texture Rate

164.0 GTexel/s

-

3.935 TFLOPS

FP32 (float)

3.935 TFLOPS

1312 GFLOPS

FP64 (double)

1312 GFLOPS

Board Design

235W

TDP

235W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110

GPU Name

GK110

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

7.08 billion

561 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

3.5

CUDA

3.5

5.1

Shader Model

5.1

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