NVIDIA Quadro K620 vs NVIDIA Tesla K20Xm

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 6GB VRAM Tesla K20Xm to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Released 1 years and 8 months late

Boost Clock1124MHz

Lower TDP (45W vs 235W)

NVIDIA Tesla K20Xm 's Advantages

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (249.6GB/s vs 28.80GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

Tesla K20Xm +355%

3.935 TFLOPS

Quadro K620

VS

Tesla K20Xm

Graphics Card

Jul 2014

Release Date

Nov 2012

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1058 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

1300 MHz

Memory

2GB

Memory Size

6GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

249.6GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

2688

24

TMUs

224

16

ROPs

48

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

1536 KB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

40.99 GPixel/s

26.98 GTexel/s

Texture Rate

164.0 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

3.935 TFLOPS

26.98 GFLOPS

FP64 (double)

1312 GFLOPS

Graphics Processor

GM107

GPU Name

GK110

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

7.08 billion

148 mm²

Die Size

561 mm²

Board Design

45W

TDP

235W

200 W

Suggested PSU

550 W

1x DVI 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.5

5.1

Shader Model

5.1

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