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ATI Radeon HD 3850 X3

ATI Radeon HD 3850 X3 Image ATI RV670 Image

This graphics card is not released yet.
Data on this page may change in the future.

The Radeon HD 3850 X3 is a graphics card by ATI that is not released yet. 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. Radeon HD 3850 X3 combines three graphics processors to increase performance. It features 320 shading units, 16 texture mapping units and 16 ROPs per GPU. ATI has placed 1,536 MB GDDR3 memory on the card, which are connected using a 256-bit memory interface per GPU (each GPU manages 512 MB). The GPU is operating at a frequency of 669 MHz, memory is running at 850 MHz.
We recommend the ATI Radeon HD 3850 X3 for gaming with highest details at resolutions up to, and including, 1920x1080.
Being a dual-slot card, its power draw is rated at 145 W maximum. Display outputs include: 4x DVI. Radeon HD 3850 X3 is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 292 mm in length, and features a dual-slot cooling solution.

Graphics Processor

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

Graphics Card

Released: Unreleased
Production Status: Unreleased
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 669 MHz
Memory Clock: 850 MHz
1700 MHz effective

Memory

Memory Size: 512 MB x3
Memory Type: GDDR3
Memory Bus: 256 bit x3
Bandwidth: 54.4 GB/s x3

Render Config

Shading Units: 320 x3
TMUs: 16 x3
ROPs: 16 x3
Compute Units: 4 x3
Pixel Rate: 10.7 GPixel/s x3
Texture Rate: 10.7 GTexel/s x3
Floating-point performance: 428.2 GFLOPS x3

Board Design

Slot Width: Dual-slot
Length: 11.5 inches
292 mm
TDP: 145 W
Outputs: 4x DVI

Graphics Features

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

Card Notes

Unreleased ASUS prototype consisting of three liquid-cooled 3850 MXM modules

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 3850 Trinity 669 MHz 850 MHz