Intel Arc A770M vs AMD Radeon HD 6870M

VS

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 11 years late

Boost Clock1650MHz

More VRAM (16GB vs 1GB)

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

3296 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Arc A770M +1151%

13.52 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

Arc A770M

VS

Radeon HD 6870M

Graphics Card

Jan 2022

Release Date

Jan 2011

Alchemist

Generation

Vancouver

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

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

10

4096

Shading Units

800

256

TMUs

40

128

ROPs

16

-

Tensor Cores

-

32

RT Cores

-

L1 Cache

8 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)

1080 GFLOPS

-

FP64 (double)

-

Graphics Processor

DG2-512

GPU Name

Granville

ACM-G10

GPU Variant

Granville XT (216-0769024)

Generation 12.7

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

21.7 billion

Transistors

1.04 billion

406 mm²

Die Size

166 mm²

Board Design

120W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.6

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon 780M vs Intel Arc A770M

2

Intel Arc A770M vs Intel Iris Xe Graphics 80EU

3

NVIDIA GeForce RTX 4060 vs Intel Arc A770M

4

Intel Arc A770 vs Intel Arc A770M

5

Intel Arc A770M vs NVIDIA GeForce RTX 4070

6

Intel Arc A770M vs AMD Radeon RX 6650M

7

Intel Arc A770M vs NVIDIA NVS 5200M

8

Intel Arc A770M vs AMD Radeon RX 480 Mobile

9

Intel Arc A770M vs NVIDIA GeForce 810A

10

Intel Arc A770M vs AMD Radeon HD 8730A