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Mobility Radeon HD 3870 X2
Series:Mobility HD 3xxx
Release date:2008. September 01.
Die count:2
Die size:2x 192 mm2
Fab:55 nm
Transistors:2x 666 millions
Bus interface:PCI-E 2.0 x16
Clock rates
Core clock:660 MHz
Memory clock:850 MHz
Effective memory clock (DDR):1700 MHz
Memory size:2x 512 MB
Memory bus type:GDDR3
Memory bus width:2x 256 bit
Memory bandwidth (maximum):2x 54.4 GB/s
Core units
Unified shader units:
(Stream processors)
2x 320
Texture mapping units (TMU):
2x 16
Render output units (ROP):2x 16
Compute units:2x 4
Pixel fillrate:2x 10.6 (GP/s)
Texture fillrate:
2x 10.6 (GT/s)
Single Precision (peak):844.8 GFLOPS
Supported Technologies:
Pixel shader:4.1OpenCL:
Thermal Design Power (TDP,Max):110 W
Energy efficiency:
- Single Precision / TDP:7.68 GFLOPS/W
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Recommended CPUs:
Core i3-330UM
Core 2 Duo T5750
Turion 64 X2 TL-66
Turion 64 X2 TL-62
Celeron 2961Y
Turion 64 X2 RM-74
Celeron N2840
Athlon II M340
Core Duo T2700
Turion 64 X2 RM-76
Pentium T3200
Core 2 Duo T5550
Mobile Athlon 64 X2 4200+
Turion II Neo Dual-Core Mobile K645
Athlon 64 X2 QL-65
Athlon 64 X2 QL-62
Core 2 Duo T5600
Core 2 Duo T7100
Mobile Athlon 64 X2 3800+
Core 2 Duo T5670
Turion X2 Ultra Dual-Core ZM-80
Celeron N3060
Celeron N2830
Turion 64 X2 TL-60
Pentium U5600
Celeron N2808
Athlon 64 X2 QL-64
Celeron N2820
Turion II Neo Dual-Core Mobile K625
Core 2 Duo L7700
Celeron 1019Y
Pentium T2410
Celeron 847
Core 2 Duo L7500
Turion 64 X2 TL-58
Core 2 Duo SU9400
Turion 64 X2 RM-70
Athlon 64 X2 TK-57
Core Duo T2600
Pentium T2390
Athlon 64 X2 QL-66
Core 2 Duo T5300
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