NVIDIA Tesla K20c vs NVIDIA GRID K280Q

VS

NVIDIA Tesla K20c

NVIDIA GRID K280Q

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 4GB VRAM GRID K280Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

More VRAM (5GB vs 4GB)

Larger VRAM bandwidth (208.0GB/s vs 160.0GB/s)

960 additional rendering cores

NVIDIA GRID K280Q 's Advantages

Released 7 months late

Score

Benchmark

FP32 (float)

Tesla K20c +53%

3.524 TFLOPS

GRID K280Q

2.289 TFLOPS

Tesla K20c

VS

GRID K280Q

Graphics Card

Nov 2012

Release Date

Jun 2013

Tesla

Generation

GRID

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

1250 MHz

Memory

5GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

256bit

208.0GB/s

Bandwidth

160.0GB/s

Render Config

-

2496

Shading Units

1536

208

TMUs

128

40

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1280 KB

L2 Cache

512 KB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

23.84 GPixel/s

146.8 GTexel/s

Texture Rate

95.36 GTexel/s

-

3.524 TFLOPS

FP32 (float)

2.289 TFLOPS

1175 GFLOPS

FP64 (double)

95.36 GFLOPS

Board Design

225W

TDP

225W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

GK110

GPU Name

GK104

GK110-885-KA-A1

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

3.54 billion

561 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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