AMD Radeon HD 8400E vs AMD Radeon HD 7640G IGP

VS

AMD Radeon HD 8400E

AMD Radeon HD 7640G IGP

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon HD 8400E 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 8400E 's Advantages

Released 11 months late

Lower TDP (25W vs 35W)

AMD Radeon HD 7640G IGP 's Advantages

Boost Clock655MHz

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8400E

0.154 TFLOPS

Radeon HD 7640G IGP +117%

0.335 TFLOPS

Radeon HD 8400E

VS

Radeon HD 7640G IGP

Graphics Card

Apr 2013

Release Date

May 2012

Kabini

Generation

Trinity

Integrated

Type

Integrated

IGP

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

-

128

Shading Units

256

8

TMUs

16

4

ROPs

8

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

5.240 GPixel/s

4.800 GTexel/s

Texture Rate

10.48 GTexel/s

-

153.6 GFLOPS

FP32 (float)

335.4 GFLOPS

9.600 GFLOPS

FP64 (double)

-

Board Design

25W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Kalindi

GPU Name

Devastator Lite

-

GCN 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

32 nm

1.178 billion

Transistors

1.303 billion

110 mm²

Die Size

246 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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