ATI Mobility Radeon HD 4270 IGP vs AMD Radeon HD 7640G IGP

VS

ATI Mobility Radeon HD 4270 IGP

AMD Radeon HD 7640G IGP

We compared two Integrated graphics card GPUs: 0System Shared VRAM Mobility Radeon HD 4270 IGP 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 HD 7640G IGP 's Advantages

Released 2 years late

Boost Clock655MHz

216 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4270 IGP

0.047 TFLOPS

Radeon HD 7640G IGP +612%

0.335 TFLOPS

Mobility Radeon HD 4270 IGP

VS

Radeon HD 7640G IGP

Graphics Card

May 2010

Release Date

May 2012

TeraScale IGP

Generation

Trinity

Integrated

Type

Integrated

PCIe 1.0 x16

Bus Interface

IGP

Clock Speeds

-

Base Clock

496 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

2

Compute Units

4

-

40

Shading Units

256

4

TMUs

16

4

ROPs

8

-

Theoretical Performance

2.360 GPixel/s

Pixel Rate

5.240 GPixel/s

2.360 GTexel/s

Texture Rate

10.48 GTexel/s

-

47.20 GFLOPS

FP32 (float)

335.4 GFLOPS

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

RS880

GPU Name

Devastator Lite

RS880M

GPU Variant

-

TeraScale

Architecture

TeraScale 3

-

Foundry

TSMC

55 nm

Process Size

32 nm

0.181 billion

Transistors

1.303 billion

67 mm²

Die Size

246 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.0

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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