Intel Arc A770M vs AMD Radeon HD 7850M

VS

Intel Arc A770M

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 9 years and 9 months late

Boost Clock1650MHz

More VRAM (16GB vs 2GB)

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

3456 additional rendering cores

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 120W)

Score

Benchmark

FP32 (float)

Arc A770M +1464%

13.52 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Arc A770M

VS

Radeon HD 7850M

Graphics Card

Jan 2022

Release Date

Apr 2012

Alchemist

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

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

10

-

4096

Shading Units

640

256

TMUs

40

128

ROPs

16

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

256 KB

-

Theoretical Performance

211.2 GPixel/s

Pixel Rate

10.80 GPixel/s

422.4 GTexel/s

Texture Rate

27.00 GTexel/s

27.03 TFLOPS

FP16 (half)

-

13.52 TFLOPS

FP32 (float)

864.0 GFLOPS

-

FP64 (double)

54.00 GFLOPS

Board Design

120W

TDP

40W

-

No outputs

Outputs

No outputs

-

Graphics Processor

DG2-512

GPU Name

Heathrow

ACM-G10

GPU Variant

Heathrow PRO

Generation 12.7

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

1.5 billion

406 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

-

6.6

Shader Model

5.1

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