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ATI Radeon HD 3850 AGP

ATI Radeon HD 3850 AGP Image ATI RV670 Image
The Radeon HD 3850 AGP was a graphics card by ATI, launched in January 2008. Built on the 55 nm process, and based on the RV670 graphics processor, in its RV670 PRO variant, the card supports DirectX 10.1. The RV670 graphics processor is an average sized chip with a die area of 192 mm² and 666 million transistors. It features 320 shading units, 16 texture mapping units and 16 ROPs. ATI has placed 512 MB GDDR3 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 668 MHz, memory is running at 828 MHz.
We recommend the ATI Radeon HD 3850 AGP for gaming with highest details at resolutions up to, and including, 1280x720.
Being a single-slot card, the ATI Radeon HD 3850 AGP draws power from 1x 8-pin power connectors, with power draw rated at 75 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 3850 AGP is connected to the rest of the system using an AGP 8x interface.

Graphics Processor

GPU Name: RV670
GPU Variant: RV670 PRO
Architecture: TeraScale
Process Size: 55 nm
Transistors: 666 million
Die Size: 192 mm²

Graphics Card

Released: Jan 3rd, 2008
Production Status: End-of-life
Bus Interface: AGP 8x

Clock Speeds

GPU Clock: 668 MHz
Memory Clock: 828 MHz
1656 MHz effective


Memory Size: 512 MB
Memory Type: GDDR3
Memory Bus: 256 bit
Bandwidth: 53.0 GB/s

Render Config

Shading Units: 320
TMUs: 16
ROPs: 16
Compute Units: 4
Pixel Rate: 10.69 GPixel/s
Texture Rate: 10.69 GTexel/s
Floating-point performance: 427.5 GFLOPS

Board Design

Slot Width: Single-slot
TDP: 75 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 1x 8-pin
Board Number: B340

Graphics Features

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


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Our review database contains 71 reviews of the Radeon HD 3850 AGP.

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
HIS HD 3850 IceQ 3 Turbo 720 MHz 910 MHz 9.49 inches, Dual-slot