GPUs

ATI Radeon HD 3870 X2 Full Specs

640 Shaders
825MHz
1.02GB GDDR4144GB/s
··
1.06 TFLOPS
Form Factor
PCIe Card
TDP
165W
Power Connectors
1x 8-Pin
1x 6-Pin

Clock Speed
··
Peak OPS
1.06 TFLOPSFP32
FP32
1.06 TFLOPS
FP64
211.2 GFLOPS
Pixel Rate
13.2 GPixel/s
Texture Rate
13.2 GTexel/s

Shaders
640 Shaders
TMUs
32 TMUs
ROPs
32 ROPs
CUs
8 CUs

Boost Clock
825MHz

L2 Cache
256KB shared

1.02GB GDDR4
Memory Bus
256-bit
Memory Speed
2.3GT/s
Memory Bandwidth
144GB/s
ECC
No

TDP
165W

Multi-Monitor
2

2x DVI-I Dual-Link
1x S-Video

Decoder Model
UVD 1.0
Codec
VC-1
AVC (H.264)

Form Factor
PCIe Card
PCIe
2-Slots
Cooling
Blower
1x Fan
Power Connectors
1x 8-Pin, 1x 6-Pin

Manufacturer
Chip Designer
Architecture
Family
Branding
Radeon 2007 branding
Codename
Boom
Chip Variant
R680 XT
Market Segment
Desktop
Release Date
Jan 28, 2008

Foundry
TSMC
Fabrication Node
55nm
Die Size
192mm²
Transistor Count
666 Million
Transistor Density
3.47 MTr/mm²