NVIDIA Quadro K620 vs NVIDIA Quadro NVS 420

VS

NVIDIA Quadro K620

NVIDIA Quadro NVS 420

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 256MB VRAM Quadro NVS 420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Released 5 years and 6 months late

Boost Clock1124MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 11.20GB/s)

376 additional rendering cores

NVIDIA Quadro NVS 420 's Advantages

Lower TDP (40W vs 45W)

Score

Benchmark

FP32 (float)

Quadro K620 +3822%

0.863 TFLOPS

Quadro NVS 420

0.022 TFLOPS

Quadro K620

VS

Quadro NVS 420

Graphics Card

Jul 2014

Release Date

Jan 2009

Quadro

Generation

Quadro NVS

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1058 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

1

384

Shading Units

8

24

TMUs

4

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

16 KB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

2.200 GPixel/s

26.98 GTexel/s

Texture Rate

2.200 GTexel/s

-

863.2 GFLOPS

FP32 (float)

22.40 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

40W

200 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.4a

Outputs

1x VHDCI

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

G98

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.87 billion

Transistors

0.21 billion

148 mm²

Die Size

86 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.1

5.1

Shader Model

4.0

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