AMD Radeon HD 8770M vs Intel Arc A770M

VS

AMD Radeon HD 8770M

Intel Arc A770M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 16GB VRAM Arc A770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 100% (1650MHz vs 825MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 72.00GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Arc A770M +2035%

13.52 TFLOPS

Radeon HD 8770M

VS

Arc A770M

Graphics Card

Apr 2013

Release Date

Jan 2022

Solar System

Generation

Alchemist

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

775 MHz

Base Clock

300 MHz

825 MHz

Boost Clock

1650 MHz

1125 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

512.0GB/s

Render Config

6

Compute Units

-

384

Shading Units

4096

24

TMUs

256

8

ROPs

128

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 MB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

211.2 GPixel/s

19.80 GTexel/s

Texture Rate

422.4 GTexel/s

-

FP16 (half)

27.03 TFLOPS

633.6 GFLOPS

FP32 (float)

13.52 TFLOPS

39.60 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

120W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

DG2-512

Mars S3 XT (216-0842018)

GPU Variant

ACM-G10

GCN 1.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.95 billion

Transistors

21.7 billion

77 mm²

Die Size

406 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.6

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