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ATI Radeon HD 4810

ATI Radeon HD 4810 Image ATI RV770 Image
The Radeon HD 4810 was a graphics card by ATI, launched in May 2009. Built on the 55 nm process, and based on the RV770 graphics processor, in its RV770 CE variant, the card supports DirectX 10.1. The RV770 graphics processor is an average sized chip with a die area of 256 mm² and 956 million transistors. Unlike the fully unlocked Radeon HD 4870 Mac Edition, which uses the same GPU but has all 800 shaders enabled, ATI has disabled some shading units on the Radeon HD 4810 to reach the product's target shader count. It features 640 shading units, 32 texture mapping units and 8 ROPs. ATI has placed 512 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 625 MHz, memory is running at 900 MHz.
We recommend the ATI Radeon HD 4810 for gaming with highest details at resolutions up to, and including, 1024x768.
Being a single-slot card, the ATI Radeon HD 4810 draws power from 1x 6-pin power connectors, with power draw rated at 95 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4810 is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 246 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name: RV770
GPU Variant: RV770 CE
Architecture: TeraScale
Process Size: 55 nm
Transistors: 956 million
Die Size: 256 mm²

Graphics Card

Released: May 28th, 2009
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 625 MHz
Memory Clock: 900 MHz
3600 MHz effective


Memory Size: 512 MB
Memory Type: GDDR5
Memory Bus: 128 bit
Bandwidth: 57.6 GB/s

Render Config

Shading Units: 640
TMUs: 32
ROPs: 8
Compute Units: 8
Pixel Rate: 5.00 GPixel/s
Texture Rate: 20.00 GTexel/s
Floating-point performance: 800.0 GFLOPS

Board Design

Slot Width: Single-slot
Length: 9.69 inches
246 mm
TDP: 95 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 1x 6-pin
Board Number: B507

Graphics Features

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


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Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
Sapphire HD 4810 625 MHz 900 MHz 1x DVI 1x HDMI 1x VGA
Sapphire HD 4810 OC 750 MHz 900 MHz 1x DVI 1x HDMI 1x VGA