NVIDIA Tesla C2070 vs NVIDIA Tesla K40m

VS

NVIDIA Tesla C2070

NVIDIA Tesla K40m

We compared two Professional market GPUs: 6GB VRAM Tesla C2070 and 12GB VRAM Tesla K40m to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla C2070 's Advantages

Lower TDP (238W vs 245W)

NVIDIA Tesla K40m 's Advantages

Released 2 years and 4 months late

Boost Clock876MHz

More VRAM (12GB vs 6GB)

Larger VRAM bandwidth (288.4GB/s vs 143.4GB/s)

2432 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla C2070

1.028 TFLOPS

Tesla K40m +390%

5.046 TFLOPS

Tesla C2070

VS

Tesla K40m

Graphics Card

Jul 2011

Release Date

Nov 2013

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

745 MHz

-

Boost Clock

876 MHz

747 MHz

Memory Clock

1502 MHz

Memory

6GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

143.4GB/s

Bandwidth

288.4GB/s

Render Config

-

14

SM Count

-

448

Shading Units

2880

56

TMUs

240

48

ROPs

48

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

16.07 GPixel/s

Pixel Rate

52.56 GPixel/s

32.14 GTexel/s

Texture Rate

210.2 GTexel/s

-

1028 GFLOPS

FP32 (float)

5.046 TFLOPS

513.9 GFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

238W

TDP

245W

550 W

Suggested PSU

550 W

1x DVI

Outputs

No outputs

1x 8-pin

Power Connectors

-

Graphics Processor

GF100

GPU Name

GK110B

-

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

7.08 billion

529 mm²

Die Size

561 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.5

5.1

Shader Model

5.1

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