NVIDIA Tesla K80 vs NVIDIA Tesla C2075

VS

NVIDIA Tesla K80

NVIDIA Tesla C2075

We compared two Professional market GPUs: 12GB VRAM Tesla K80 and 6GB VRAM Tesla C2075 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K80 's Advantages

Released 3 years and 4 months late

Boost Clock824MHz

More VRAM (12GB vs 6GB)

Larger VRAM bandwidth (240.6GB/s vs 150.3GB/s)

2048 additional rendering cores

NVIDIA Tesla C2075 's Advantages

Lower TDP (247W vs 300W)

Score

Benchmark

FP32 (float)

Tesla K80 +300%

4.113 TFLOPS

Tesla C2075

1.028 TFLOPS

Tesla K80

VS

Tesla C2075

Graphics Card

Nov 2014

Release Date

Jul 2011

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

562 MHz

Base Clock

-

824 MHz

Boost Clock

-

1253 MHz

Memory Clock

783 MHz

Memory

12GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.6GB/s

Bandwidth

150.3GB/s

Render Config

-

SM Count

14

2496

Shading Units

448

208

TMUs

56

48

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

42.85 GPixel/s

Pixel Rate

16.07 GPixel/s

171.4 GTexel/s

Texture Rate

32.14 GTexel/s

-

4.113 TFLOPS

FP32 (float)

1028 GFLOPS

1371 GFLOPS

FP64 (double)

513.9 GFLOPS

Board Design

300W

TDP

247W

700 W

Suggested PSU

550 W

No outputs

Outputs

1x DVI

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK210

GPU Name

GF110

GK210-885-A1

GPU Variant

GF110-351-A1

Kepler 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.1 billion

Transistors

3 billion

561 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.7

CUDA

2.0

5.1

Shader Model

5.1

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