AMD Radeon HD 7620G IGP vs ATI FireGL X3-256

Table of Contents

Graphics Processor

GPU model Devastator R420
Architecture TeraScale 3 R400
Foundry TSMC TSMC
Manufacturing process 32 nm 130 nm
Number of transistors 1,303 million 160 million
Die size 246 mm² 281 mm²
GPU variant — R420 GL

Integrated Graphics

Release date May 15th, 2012 —
Generation Trinity (HD 7000 Mobile) —
Production End-of-life —
Interface IGP —
Predecessor Sumo —
Successor Richland —

Clocks

Base clock 360 MHz —
Boost clock 497 MHz —
Memory clock System Shared 454 MHz 908 Mbps effective
GPU clock — 491 MHz

Memory Configuration

Memory size System Shared 256 MB
Memory type System Shared GDDR3
Memory bus width System Shared 256 bit
Bandwidth System Dependent 29.06 GB/s

Render Configuration

Shading units 384 —
TMUs 24 12
ROPs 8 12
Compute units 6 —
Pixel shaders — 12
Vertex shaders — 6

Performance

Pixel rate 3.976 GPixel/s 5.892 GPixel/s
Texture rate 11.93 GTexel/s 5.892 GTexel/s
FP32 (float) performance 381.7 GFLOPS —
Vertex rate — 736.5 MVertices/s

Dimensions & Outputs

Slot width IGP Single-slot
TDP 25 W 57 W
Outputs No outputs 2x DVI1x S-Video
Suggested PSU — 250 W
Power connectors — 1x Molex
Board number — A301-01

API Support & Features

DirectX 11.2 (11_0) 9.0b (9_2)
OpenGL 4.4 2.1
OpenCL 1.2 —
Vulkan — —
Shader model 5.0 —
Pixel shader — 2.0b
Vertex shader — 2.0b

Other Features

Graphics Card

Release date — Aug 3rd, 2004
Generation — FireGL
Production — End-of-life
Launch price — 1,099 USD
Interface — AGP 8x
Reviews — 226 in our database

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