ATI Mobility Radeon HD 4225 IGP vs NVIDIA GeForce 8600M GT Mac Edition

Table of Contents

Graphics Processor

GPU model RS880 G84
GPU variant RS880M NB8P-GS
Architecture TeraScale Tesla
Manufacturing process 55 nm 80 nm
Number of transistors 181 million 289 million
Die size 67 mm² 169 mm²
Foundry TSMC

Integrated Graphics

Release date May 1st, 2010
Generation Radeon IGP (Mobility HD 4000)
Production End-of-life
Interface PCIe 1.0 x16
Successor Palm

Clocks

GPU clock 380 MHz 470 MHz
Memory clock System Shared 635 MHz 1270 Mbps effective
Shader clock 940 MHz

Memory Configuration

Memory size System Shared 512 MB
Memory type System Shared GDDR3
Memory bus width System Shared 128 bit
Bandwidth System Dependent 20.32 GB/s

Render Configuration

Shading units 40 32
TMUs 4 16
ROPs 4 8
Compute units 2
SM count 4
Cache L2 32 KB

Performance

Pixel rate 1.520 GPixel/s 3.760 GPixel/s
Texture rate 1.520 GTexel/s 7.520 GTexel/s
FP32 (float) performance 30.40 GFLOPS 60.16 GFLOPS

Dimensions & Outputs

Slot width IGP MXM Module
TDP 9 W 20 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

DirectX 10.1 (10_1) 11.1 (10_0)
OpenGL 3.3 3.3
OpenCL 1.0 1.1
Vulkan
Shader model 4.1 4.0
CUDA 1.1

Other Features

Mobile graphics

Release date Oct 5th, 2007
Generation GeForce 8M (8000M)
Production End-of-life
Interface MXM-II
Predecessor GeForce Go 7
Successor GeForce 9M

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