ATI Mobility Radeon HD 3870 X2 Full Specs

Summary

640 Shaders 660MHz

1.02GB GDDR3

Peak·FP32·FP16 844.8 GFLOPS

Form Factor MXM-II

TDP 110W

Theoretical Performance

Clock Speed660MHz UC·Boost·OC

Peak OPS 844.8 GFLOPSFP32

FP32 844.8 GFLOPS

FP64 169 GFLOPS

Pixel Rate 10.6 GPixel/s

Texture Rate 10.6 GTexel/s

Core Config

Shaders 640 Shaders

TMUs 32 TMUs

ROPs 32 ROPs

Clocks

Boost Clock 660MHz

Cache

L2 Cache 256KB shared

Memory

1.02GB GDDR3

Memory Speed 1.7GT/s

ECC No

Power & Thermals

TDP 110W

Video Output

Multi-Monitor 2

Decoder

Decoder Model UVD 1.0

Codec VC-1 AVC (H.264)

Card

Form Factor MXM-II

Chip

Manufacturer ATI

Chip Designer ATI

Architecture TeraScale 1

Family Radeon HD 3000

Branding

Codename Boom

Chip Variant R680 XT

Market Segment Laptop

Release Date Sep 1, 2008

Fabrication

Foundry TSMC

Fabrication Node 55nm

Die Size 192mm²

Transistor Count 666 Million

Transistor Density 3.47 MTr/mm²

Images