AMD Radeon 660M vs AMD Radeon HD 7640G IGP

VS

AMD Radeon 660M

AMD Radeon HD 7640G IGP

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 660M and 0System Shared VRAM Radeon HD 7640G IGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 660M 's Advantages

Released 9 years and 8 months late

Boost Clock has increased by 190% (1900MHz vs 655MHz)

128 additional rendering cores

Lower TDP (15W vs 35W)

Score

Benchmark

FP32 (float)

Radeon 660M +335%

1.459 TFLOPS

Radeon HD 7640G IGP

0.335 TFLOPS

Radeon 660M

VS

Radeon HD 7640G IGP

Graphics Card

Jan 2022

Release Date

May 2012

Rembrandt

Generation

Trinity

Integrated

Type

Integrated

PCIe 4.0 x8

Bus Interface

IGP

Clock Speeds

1500 MHz

Base Clock

496 MHz

1900 MHz

Boost Clock

655 MHz

System Shared

Memory Clock

System Shared

Memory

System Shared

Memory Size

System Shared

Memory Type

System Shared

Memory Bus

System Shared

System Dependent

Bandwidth

System Dependent

Render Config

6

Compute Units

4

-

384

Shading Units

256

24

TMUs

16

ROPs

8

-

6

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

5.240 GPixel/s

45.60 GTexel/s

Texture Rate

10.48 GTexel/s

2.918 TFLOPS

FP16 (half)

-

1459 GFLOPS

FP32 (float)

335.4 GFLOPS

91.20 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Rembrandt

GPU Name

Devastator Lite

-

RDNA 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

6 nm

Process Size

32 nm

13.1 billion

Transistors

1.303 billion

210 mm²

Die Size

246 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.5

Shader Model

5.0

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