NVIDIA GRID K2 vs NVIDIA Tesla K40s

VS

NVIDIA GRID K2

NVIDIA Tesla K40s

We compared two Professional market GPUs: 4GB VRAM GRID K2 and 12GB VRAM Tesla K40s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID K2 's Advantages

Lower TDP (225W vs 245W)

NVIDIA Tesla K40s 's Advantages

Released 6 months late

Boost Clock876MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (288.4GB/s vs 160.0GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

GRID K2

2.289 TFLOPS

Tesla K40s +120%

5.046 TFLOPS

GRID K2

VS

Tesla K40s

Graphics Card

May 2013

Release Date

Nov 2013

GRID

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

745 MHz

-

Boost Clock

876 MHz

1250 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

288.4GB/s

Render Config

-

1536

Shading Units

2880

128

TMUs

240

32

ROPs

48

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

23.84 GPixel/s

Pixel Rate

52.56 GPixel/s

95.36 GTexel/s

Texture Rate

210.2 GTexel/s

-

2.289 TFLOPS

FP32 (float)

5.046 TFLOPS

95.36 GFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

225W

TDP

245W

550 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

GK110B

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

Graphics Features

12 (11_0)

DirectX

12 (11_1)

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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