AMD Radeon HD 7640G IGP vs AMD Radeon HD 7420G IGP

VS

AMD Radeon HD 7640G IGP AMD Radeon HD 7420G IGP

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon HD 7640G IGP and 0System Shared VRAM Radeon HD 7420G 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

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7640G IGP +99%

0.335 TFLOPS

Radeon HD 7420G IGP

0.168 TFLOPS

Radeon HD 7640G IGP

VS

Radeon HD 7420G IGP

Graphics Card

May 2012

Release Date

Jun 2012

Trinity

Generation

Trinity

Integrated

Type

Integrated

IGP

Bus Interface

IGP

Clock Speeds

496 MHz

Base Clock

480 MHz

655 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

-

SM Count

-

4

Compute Units

2

256

Shading Units

128

16

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

L2 Cache

-

Theoretical Performance

5.240 GPixel/s

Pixel Rate

2.620 GPixel/s

10.48 GTexel/s

Texture Rate

5.240 GTexel/s

-

FP16 (half)

-

335.4 GFLOPS

FP32 (float)

167.7 GFLOPS

-

FP64 (double)

-

Graphics Processor

Devastator Lite

GPU Name

Scrapper Lite

-

GPU Variant

-

TeraScale 3

Architecture

TeraScale 3

TSMC

Foundry

TSMC

32 nm

Process Size

32 nm

1.303 billion

Transistors

1.303 billion

246 mm²

Die Size

246 mm²

Board Design

35W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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