NVIDIA Tesla K20Xm vs NVIDIA Tesla C2075

VS

NVIDIA Tesla K20Xm

NVIDIA Tesla C2075

We compared two Professional market GPUs: 6GB VRAM Tesla K20Xm and 6GB VRAM Tesla C2075 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20Xm 's Advantages

Released 1 years and 4 months late

Larger VRAM bandwidth (249.6GB/s vs 150.3GB/s)

2240 additional rendering cores

Lower TDP (235W vs 247W)

Score

Benchmark

FP32 (float)

Tesla K20Xm +282%

3.935 TFLOPS

Tesla C2075

1.028 TFLOPS

Tesla K20Xm

VS

Tesla C2075

Graphics Card

Nov 2012

Release Date

Jul 2011

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

783 MHz

Memory

6GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

249.6GB/s

Bandwidth

150.3GB/s

Render Config

-

SM Count

14

2688

Shading Units

448

224

TMUs

56

48

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

16.07 GPixel/s

164.0 GTexel/s

Texture Rate

32.14 GTexel/s

-

3.935 TFLOPS

FP32 (float)

1028 GFLOPS

1312 GFLOPS

FP64 (double)

513.9 GFLOPS

Board Design

235W

TDP

247W

550 W

Suggested PSU

550 W

No outputs

Outputs

1x DVI

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110

GPU Name

GF110

-

GPU Variant

GF110-351-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

3 billion

561 mm²

Die Size

520 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.0

5.1

Shader Model

5.1

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