NVIDIA Quadro RTX 4000 Mobile vs NVIDIA Quadro K620

VS

NVIDIA Quadro RTX 4000 Mobile

NVIDIA Quadro K620

We compared two Professional market GPUs: 8GB VRAM Quadro RTX 4000 Mobile and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro RTX 4000 Mobile 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 39% (1560MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)

2176 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 110W)

Score

Benchmark

FP32 (float)

Quadro RTX 4000 Mobile +825%

7.987 TFLOPS

Quadro K620

0.863 TFLOPS

Quadro RTX 4000 Mobile

VS

Quadro K620

Graphics Card

May 2019

Release Date

Jul 2014

Quadro Mobile

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1110 MHz

Base Clock

1058 MHz

1560 MHz

Boost Clock

1124 MHz

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

28.80GB/s

Render Config

-

40

SM Count

-

2560

Shading Units

384

160

TMUs

24

64

ROPs

16

320

Tensor Cores

-

40

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

4 MB

L2 Cache

2 MB

-

Theoretical Performance

99.84 GPixel/s

Pixel Rate

17.98 GPixel/s

249.6 GTexel/s

Texture Rate

26.98 GTexel/s

15.97 TFLOPS

FP16 (half)

-

7.987 TFLOPS

FP32 (float)

863.2 GFLOPS

249.6 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

110W

TDP

45W

-

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

TU104

GPU Name

GM107

N19E-Q3-A1

GPU Variant

GM107-850-A2

Turing

Architecture

Maxwell

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

1.87 billion

545 mm²

Die Size

148 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

7.5

CUDA

5.0

6.6

Shader Model

5.1

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