Intel Arc A770M vs AMD Radeon HD 8790M

VS

Intel Arc A770M

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 2GB VRAM Radeon HD 8790M 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 83% (1650MHz vs 900MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Arc A770M +1856%

13.52 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

Arc A770M

VS

Radeon HD 8790M

Graphics Card

Jan 2022

Release Date

Apr 2013

Alchemist

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

300 MHz

Base Clock

850 MHz

1650 MHz

Boost Clock

900 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/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

256 KB

-

Theoretical Performance

211.2 GPixel/s

Pixel Rate

7.200 GPixel/s

422.4 GTexel/s

Texture Rate

21.60 GTexel/s

27.03 TFLOPS

FP16 (half)

-

13.52 TFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

120W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Mars

ACM-G10

GPU Variant

Mars M2 XTX (216-0842036)

Generation 12.7

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

0.95 billion

406 mm²

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.6

Shader Model

6.5 (5.1)

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