NVIDIA Tesla K40s vs NVIDIA Tesla S1075

VS

NVIDIA Tesla K40s

NVIDIA Tesla S1075

We compared two Professional market GPUs: 12GB VRAM Tesla K40s and 4GB VRAM Tesla S1075 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40s 's Advantages

Released 5 years and 5 months late

Boost Clock876MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (288.4GB/s vs 102.4GB/s)

2640 additional rendering cores

Lower TDP (245W vs 800W)

Score

Benchmark

FP32 (float)

Tesla K40s +711%

5.046 TFLOPS

Tesla S1075

0.622 TFLOPS

Tesla K40s

VS

Tesla S1075

Graphics Card

Nov 2013

Release Date

Jun 2008

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

745 MHz

Base Clock

-

876 MHz

Boost Clock

-

1502 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

4GB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

512bit

288.4GB/s

Bandwidth

102.4GB/s

Render Config

-

SM Count

30

2880

Shading Units

240

TMUs

80

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

19.52 GPixel/s

210.2 GTexel/s

Texture Rate

48.80 GTexel/s

-

5.046 TFLOPS

FP32 (float)

622.1 GFLOPS

1.682 TFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

245W

TDP

800W

550 W

Suggested PSU

1200 W

No outputs

Outputs

No outputs

-

Graphics Processor

GK110B

GPU Name

GT200B

-

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

1.4 billion

561 mm²

Die Size

470 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.3

5.1

Shader Model

4.0

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