NVIDIA Tesla K20s: GPU Specs & Benchmarks

The Tesla K20s is a graphics card by NVIDIA, built on the 28 nm process and based on the GK110 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

GK110

Architecture

Kepler

Foundry

TSMC

Process Size

28 nm

Transistors

7,080 million

Die Size

561 mm²

Graphics Card

Release Date

Feb 18th, 2013

Family

Tesla
(Kxx)

Production

End-of-life

Launch Price

3,199 USD

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

5 GB

Memory Type

GDDR5

Memory Bus

320 bit

Bandwidth

208.0 GB/s

Performance

Pixel fillrate

29.90 GPixel/s

Texture fillrate

119.6 GTexel/s

FP32 (float) performance

2.870 TFLOPS

FP64 (double) performance

956.8 GFLOPS (1:3)

Clock Speeds

Memory Clock

1300 MHz
5.2 Gbps effective

GPU Clock

575 MHz

Render Config

Shading Units

2496

TMUs

208

ROPs

40

L1 Cache

16 KB (per SMX)

L2 Cache

1280 KB

Board Design

Slot Width

Dual-slot

Length

267 mm
10.5 inches

Thermal design power (TDP)

225 W

Suggested PSU

550 W

Display Connectors

No outputs

API support

DirectX

12 (11_0)

OpenGL

4.6

OpenCL

3.0

Vulkan

1.1

Shader Model

5.1

CUDA

3.5