GPUs

ATI Radeon HD 4870 X2 Full Specs

1,600 Shaders
750MHz
2GB GDDR5230.4GB/s
··
2.4 TFLOPS
Form Factor
PCIe Card
TDP
286W
Power Connectors
1x 8-Pin
1x 6-Pin

Clock Speed
··
Peak OPS
2.4 TFLOPSFP32
FP32
2.4 TFLOPS
FP64
480 GFLOPS
Pixel Rate
12 GPixel/s
Texture Rate
30 GTexel/s

Shaders
1,600 Shaders
TMUs
80 TMUs
ROPs
32 ROPs
CUs
20 CUs

Boost Clock
750MHz

L2 Cache
256KB shared

2GB GDDR5
Memory Bus
256-bit
Memory Speed
3.6GT/s
Memory Bandwidth
230.4GB/s
ECC
No

TDP
286W

Multi-Monitor
2

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

Decoder Model
UVD 2.0
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 2008 branding
Codename
Wekiva
Chip Variant
RV770 CE
Market Segment
Desktop
Release Date
Aug 12, 2008

Foundry
TSMC
Fabrication Node
55nm
Die Size
256mm²
Transistor Count
956 Million
Transistor Density
3.73 MTr/mm²