AMD Radeon HD 7420G IGP vs AMD Radeon R6 M255DX

VS

AMD Radeon HD 7420G IGP

AMD Radeon R6 M255DX

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon HD 7420G IGP and 0System Shared VRAM Radeon R6 M255DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R6 M255DX 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 44% (940MHz vs 655MHz)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7420G IGP

0.168 TFLOPS

Radeon R6 M255DX +329%

0.721 TFLOPS

Radeon HD 7420G IGP

VS

Radeon R6 M255DX

Graphics Card

Jun 2012

Release Date

Oct 2014

Trinity

Generation

Gem System Hybrid

Integrated

Type

Integrated

IGP

Bus Interface

IGP

Clock Speeds

480 MHz

Base Clock

925 MHz

655 MHz

Boost Clock

940 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

6

-

128

Shading Units

384

8

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

2.620 GPixel/s

Pixel Rate

7.520 GPixel/s

5.240 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

167.7 GFLOPS

FP32 (float)

721.9 GFLOPS

-

FP64 (double)

45.12 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Scrapper Lite

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

TeraScale 3

Architecture

GCN 3.0

TSMC

Foundry

TSMC

32 nm

Process Size

28 nm

1.303 billion

Transistors

1.55 billion

246 mm²

Die Size

125 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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