Intel Arc A770M vs ATI Mobility Radeon HD 4870

VS

Intel Arc A770M

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 13 years late

Boost Clock1650MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 56.83GB/s)

3296 additional rendering cores

Score

Benchmark

FP32 (float)

Arc A770M +1436%

13.52 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Arc A770M

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2022

Release Date

Jan 2009

Alchemist

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

888 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

56.83GB/s

Render Config

-

Compute Units

10

-

4096

Shading Units

800

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

8.800 GPixel/s

422.4 GTexel/s

Texture Rate

22.00 GTexel/s

27.03 TFLOPS

FP16 (half)

-

13.52 TFLOPS

FP32 (float)

880.0 GFLOPS

-

FP64 (double)

176.0 GFLOPS

Board Design

120W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

M98

ACM-G10

GPU Variant

M98 XT L2 (216-0732023)

Generation 12.7

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

21.7 billion

Transistors

0.956 billion

406 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

-

6.6

Shader Model

4.1

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