NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon 620 Mobile

VS

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 51% (1545MHz vs 1024MHz)

More VRAM (8GB vs 2GB)

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

5760 additional rendering cores

AMD Radeon 620 Mobile 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +2314%

18.98 TFLOPS

Radeon 620 Mobile

0.786 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon 620 Mobile

Graphics Card

Jan 2021

Release Date

May 2019

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1110 MHz

Base Clock

730 MHz

1545 MHz

Boost Clock

1024 MHz

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

6

48

SM Count

-

6144

Shading Units

384

192

TMUs

24

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

8.192 GPixel/s

296.6 GTexel/s

Texture Rate

24.58 GTexel/s

18.98 TFLOPS

FP16 (half)

786.4 GFLOPS

18.98 TFLOPS

FP32 (float)

786.4 GFLOPS

296.6 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

115W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Polaris 24

GA104-775-A1

GPU Variant

Polaris 24 XL

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.55 billion

392 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.3

Related GPU Comparisons

1

NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce GTX 880M

2

NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce Go 6800

3

NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon E9171 MCM

4

NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R5 M255

5

NVIDIA GeForce RTX 3080 Mobile vs ATI Radeon E2400

6

NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon HD 7690M XT Rebrand

7

NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R5 M335

8

NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon Pro 580X

9

NVIDIA GeForce RTX 3080 Mobile vs Intel Arc A380M

10

NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce GT 630M

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early