NVIDIA GRID K2 vs NVIDIA Tesla K20X

VS

NVIDIA GRID K2 NVIDIA Tesla K20X

We compared two Professional market GPUs: 4GB VRAM GRID K2 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID K2 's Advantages

Released 6 months late

Lower TDP (225W vs 235W)

NVIDIA Tesla K20X 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (249.6GB/s vs 160.0GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GRID K2

2.289 TFLOPS

Tesla K20X +71%

3.935 TFLOPS

GRID K2

VS

Tesla K20X

Graphics Card

May 2013

Release Date

Nov 2012

GRID

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1300 MHz

Memory

4GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

249.6GB/s

Render Config

-

SM Count

-

Compute Units

-

1536

Shading Units

2688

128

TMUs

224

32

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

Theoretical Performance

23.84 GPixel/s

Pixel Rate

40.99 GPixel/s

95.36 GTexel/s

Texture Rate

164.0 GTexel/s

-

FP16 (half)

-

2.289 TFLOPS

FP32 (float)

3.935 TFLOPS

95.36 GFLOPS

FP64 (double)

1312 GFLOPS

Graphics Processor

GK104

GPU Name

GK110

GK104-895-A2

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

7.08 billion

294 mm²

Die Size

561 mm²

Board Design

225W

TDP

235W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.2.175

Vulkan

1.1

3.0

CUDA

3.5

6.5 (5.1)

Shader Model

5.1

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