ATI Radeon HD 4290 IGP vs ATI Radeon HD 4570 Rebrand

Table of Contents

Graphics Processor

GPU model RS880 RV635
Architecture TeraScale TeraScale
Manufacturing process 55 nm 55 nm
Number of transistors 181 million 378 million
Die size 67 mm² 135 mm²
GPU variant RV635 PRO (215-0682008)
Foundry TSMC

Integrated Graphics

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

Clocks

GPU clock 500 MHz 796 MHz
Memory clock System Shared 396 MHz 792 Mbps effective

Memory Configuration

Memory size System Shared 1024 MB
Memory type System Shared DDR2
Memory bus width System Shared 128 bit
Bandwidth System Dependent 12.67 GB/s

Render Configuration

Shading units 40 120
TMUs 4 8
ROPs 4 4
Compute units 2 3
Cache L2 128 KB

Performance

Pixel rate 2.000 GPixel/s 3.184 GPixel/s
Texture rate 2.000 GTexel/s 6.368 GTexel/s
FP32 (float) performance 40.00 GFLOPS 191.0 GFLOPS

Dimensions & Outputs

Slot width IGP Single-slot
TDP unknown 65 W
Outputs No outputs 2x DVI1x S-Video
Length 190 mm 7.5 inches
Suggested PSU 250 W

API Support & Features

DirectX 10.1 (10_1) 10.1 (10_1)
OpenGL 3.3 3.3
OpenCL 1.0
Vulkan
Shader model 4.1 4.1

Other Features

Graphics Card

Release date Nov 22nd, 2009
Generation Radeon R700
Production End-of-life
Interface PCIe 2.0 x16
Predecessor Radeon R600
Successor Evergreen

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