NVIDIA Quadro K620M vs NVIDIA Quadro RTX 4000 Mobile

VS

NVIDIA Quadro K620M NVIDIA Quadro RTX 4000 Mobile

We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 8GB VRAM Quadro RTX 4000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620M 's Advantages

Lower TDP (30W vs 110W)

NVIDIA Quadro RTX 4000 Mobile 's Advantages

Released 4 years and 2 months late

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

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 14.40GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620M

0.863 TFLOPS

Quadro RTX 4000 Mobile +825%

7.987 TFLOPS

Quadro K620M

VS

Quadro RTX 4000 Mobile

Graphics Card

Mar 2015

Release Date

May 2019

Quadro Mobile

Generation

Quadro Mobile

Professional

Type

Professional

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

1110 MHz

1124 MHz

Boost Clock

1560 MHz

900 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

40

-

Compute Units

-

384

Shading Units

2560

16

TMUs

160

8

ROPs

64

-

Tensor Cores

320

-

RT Cores

40

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

4 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

99.84 GPixel/s

17.98 GTexel/s

Texture Rate

249.6 GTexel/s

-

FP16 (half)

15.97 TFLOPS

863.2 GFLOPS

FP32 (float)

7.987 TFLOPS

26.98 GFLOPS

FP64 (double)

249.6 GFLOPS

Graphics Processor

GM108

GPU Name

TU104

N15M-Q3

GPU Variant

N19E-Q3-A1

Maxwell

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

Unknown

Transistors

13.6 billion

Unknown

Die Size

545 mm²

Board Design

30W

TDP

110W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

7.5

5.1

Shader Model

6.6

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