NVIDIA GRID K1 vs NVIDIA Tesla K20X

VS

NVIDIA GRID K1

NVIDIA Tesla K20X

We compared two Professional market GPUs: 4GB VRAM GRID K1 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID K1 's Advantages

Lower TDP (130W vs 235W)

NVIDIA Tesla K20X 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (249.6GB/s vs 28.51GB/s)

2496 additional rendering cores

Score

Benchmark

FP32 (float)

GRID K1

0.326 TFLOPS

Tesla K20X +1107%

3.935 TFLOPS

GRID K1

VS

Tesla K20X

Graphics Card

Mar 2013

Release Date

Nov 2012

GRID

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1300 MHz

Memory

4GB

Memory Size

6GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

28.51GB/s

Bandwidth

249.6GB/s

Render Config

-

192

Shading Units

2688

16

TMUs

224

16

ROPs

48

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

3.400 GPixel/s

Pixel Rate

40.99 GPixel/s

13.60 GTexel/s

Texture Rate

164.0 GTexel/s

-

326.4 GFLOPS

FP32 (float)

3.935 TFLOPS

13.60 GFLOPS

FP64 (double)

1312 GFLOPS

Board Design

130W

TDP

235W

300 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK107

GPU Name

GK110

GK107-450-A2

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

7.08 billion

118 mm²

Die Size

561 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

3.0

CUDA

3.5

5.1

Shader Model

5.1

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