AMD Radeon HD 6990M Rebrand vs Intel Arc A770M

VS

AMD Radeon HD 6990M Rebrand

Intel Arc A770M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 16GB VRAM Arc A770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Lower TDP (100W vs 120W)

Intel Arc A770M 's Advantages

Released 10 years and 6 months late

Boost Clock1650MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 70.40GB/s)

3296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Arc A770M +956%

13.52 TFLOPS

Radeon HD 6990M Rebrand

VS

Arc A770M

Graphics Card

Jul 2011

Release Date

Jan 2022

Vancouver

Generation

Alchemist

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

300 MHz

-

Boost Clock

1650 MHz

1100 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

512.0GB/s

Render Config

14

Compute Units

-

800

Shading Units

4096

40

TMUs

256

16

ROPs

128

-

RT Cores

32

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 MB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

211.2 GPixel/s

32.00 GTexel/s

Texture Rate

422.4 GTexel/s

-

FP16 (half)

27.03 TFLOPS

1280 GFLOPS

FP32 (float)

13.52 TFLOPS

-

Board Design

100W

TDP

120W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

DG2-512

Broadway XTX

GPU Variant

ACM-G10

TeraScale 2

Architecture

Generation 12.7

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.04 billion

Transistors

21.7 billion

166 mm²

Die Size

406 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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