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ATI Radeon HD 4570 Rebrand

ATI Radeon HD 4570 Rebrand Image ATI RV635 Image
The Radeon HD 4570 Rebrand was a graphics card by ATI, launched in November 2009. Built on the 55 nm process, and based on the RV635 graphics processor, in its RV635 PRO variant, the card supports DirectX 10.1. The RV635 graphics processor is an average sized chip with a die area of 135 mm² and 378 million transistors. It features 120 shading units, 8 texture mapping units and 4 ROPs. ATI has placed 1,024 MB DDR2 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 796 MHz, memory is running at 396 MHz.
We recommend the ATI Radeon HD 4570 Rebrand for gaming with highest details at resolutions up to, and including, 800x600.
Being a single-slot card, its power draw is rated at 65 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4570 Rebrand is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 190 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name: RV635
GPU Variant: RV635 PRO
Architecture: TeraScale
Process Size: 55 nm
Transistors: 378 million
Die Size: 135 mm²

Graphics Card

Released: Nov 22nd, 2009
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 796 MHz
Memory Clock: 396 MHz
792 MHz effective


Memory Size: 1024 MB
Memory Type: DDR2
Memory Bus: 128 bit
Bandwidth: 12.67 GB/s

Render Config

Shading Units: 120
TMUs: 8
ROPs: 4
Compute Units: 3
Pixel Rate: 3.18 GPixel/s
Texture Rate: 6.37 GTexel/s
Floating-point performance: 191.04 GFLOPS

Board Design

Slot Width: Single-slot
Length: 7.48 inches
190 mm
TDP: 65 W
Outputs: 2x DVI
1x S-Video

Graphics Features

DirectX: 10.1
OpenGL: 3.3
OpenCL: 1.0
Shader Model: 4.1


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Card Notes

Very Rare GPU
Rebranded HD 3750