Intel Arc A770M vs AMD Radeon R9 M395X Mac Edition

VS

Intel Arc A770M

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 6 years and 8 months late

Boost Clock1650MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 174.7GB/s)

2048 additional rendering cores

Lower TDP (120W vs 250W)

Score

Benchmark

FP32 (float)

Arc A770M +263%

13.52 TFLOPS

Radeon R9 M395X Mac Edition

3.723 TFLOPS

Arc A770M

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jan 2022

Release Date

May 2015

Alchemist

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

1365 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

ROPs

32

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

512 KB

-

Theoretical Performance

211.2 GPixel/s

Pixel Rate

29.09 GPixel/s

422.4 GTexel/s

Texture Rate

116.4 GTexel/s

27.03 TFLOPS

FP16 (half)

3.723 TFLOPS

13.52 TFLOPS

FP32 (float)

3.723 TFLOPS

-

FP64 (double)

232.7 GFLOPS

Board Design

120W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Amethyst

ACM-G10

GPU Variant

Amethyst XT

Generation 12.7

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

5 billion

406 mm²

Die Size

366 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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