NVIDIA Tesla K40s vs NVIDIA Quadro K620

VS

We compared two Professional market GPUs: 12GB VRAM Tesla K40s and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40s 's Advantages

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 28.80GB/s)

2496 additional rendering cores

NVIDIA Quadro K620 's Advantages

Released 8 months late

Boost Clock has increased by 28% (1124MHz vs 876MHz)

Lower TDP (45W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40s +484%

5.046 TFLOPS

Quadro K620

0.863 TFLOPS

Tesla K40s

VS

Quadro K620

Graphics Card

Nov 2013

Release Date

Jul 2014

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

745 MHz

Base Clock

1058 MHz

876 MHz

Boost Clock

1124 MHz

1502 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

2880

Shading Units

384

240

TMUs

24

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

1536 KB

L2 Cache

2 MB

Theoretical Performance

52.56 GPixel/s

Pixel Rate

17.98 GPixel/s

210.2 GTexel/s

Texture Rate

26.98 GTexel/s

-

FP16 (half)

-

5.046 TFLOPS

FP32 (float)

863.2 GFLOPS

1.682 TFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

GK110B

GPU Name

GM107

-

GPU Variant

GM107-850-A2

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

1.87 billion

561 mm²

Die Size

148 mm²

Board Design

245W

TDP

45W

550 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.4a

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.0

5.1

Shader Model

5.1

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