Intel Arc A770M vs AMD Radeon 620 Mobile

VS

Intel Arc A770M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 61% (1650MHz vs 1024MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 14.40GB/s)

3712 additional rendering cores

AMD Radeon 620 Mobile 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Arc A770M +1620%

13.52 TFLOPS

Radeon 620 Mobile

0.786 TFLOPS

Arc A770M

VS

Radeon 620 Mobile

Graphics Card

Jan 2022

Release Date

May 2019

Alchemist

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

300 MHz

Base Clock

730 MHz

1650 MHz

Boost Clock

1024 MHz

2000 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

6

-

4096

Shading Units

384

256

TMUs

24

128

ROPs

8

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

128 KB

-

Theoretical Performance

211.2 GPixel/s

Pixel Rate

8.192 GPixel/s

422.4 GTexel/s

Texture Rate

24.58 GTexel/s

27.03 TFLOPS

FP16 (half)

786.4 GFLOPS

13.52 TFLOPS

FP32 (float)

786.4 GFLOPS

-

FP64 (double)

49.15 GFLOPS

Board Design

120W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Polaris 24

ACM-G10

GPU Variant

Polaris 24 XL

Generation 12.7

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

1.55 billion

406 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

-

6.6

Shader Model

6.3

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