ATI Radeon 3100 IGP vs ATI Radeon X800 GTO

Table of Contents

Graphics Processor

GPU model RS780 R423
GPU variant RS780C R423 GTO
Architecture TeraScale R400
Manufacturing process 65 nm 130 nm
Number of transistors 180 million 160 million
Die size 85 mm² 289 mm²
Foundry — TSMC

Integrated Graphics

Release date Mar 4th, 2008 —
Generation Radeon IGP (3000) —
Production End-of-life —
Interface PCIe 1.0 x16 —

Clocks

GPU clock 350 MHz 400 MHz
Memory clock System Shared 350 MHz 700 Mbps effective

Memory Configuration

Memory size System Shared 128 MB
Memory type System Shared DDR
Memory bus width System Shared 256 bit
Bandwidth System Dependent 22.40 GB/s

Render Configuration

Shading units 40 —
TMUs 4 12
ROPs 4 12
Compute units 2 —
Pixel shaders — 12
Vertex shaders — 6

Performance

Pixel rate 1.400 GPixel/s 4.800 GPixel/s
Texture rate 1.400 GTexel/s 4.800 GTexel/s
FP32 (float) performance 28.00 GFLOPS —
Vertex rate — 600.0 MVertices/s

Dimensions & Outputs

Slot width IGP Single-slot
TDP unknown 49 W
Outputs No outputs 1x DVI1x VGA1x S-Video
Suggested PSU — 200 W

API Support & Features

DirectX 10.0 (10_0) 9.0b (9_2)
OpenGL 3.3 2.1
OpenCL 1.0 —
Vulkan — —
Shader model 4.1 —
Pixel shader — 2.0b
Vertex shader — 2.0b

Other Features

Graphics Card

Release date — Dec 29th, 2007
Generation — Radeon R400 PCIe
Production — End-of-life
Interface — PCIe 1.0 x16
Reviews — 226 in our database
Predecessor — Radeon R300
Successor — Radeon R500 PCIe

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