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Radeon HD 7870M
Manufacturer:AMD
Series:HD 7xxxM
Codename:Heathrow XT
Release date:2012. April 24.
Die count:1
Die size:123 mm2
Fab:28 nm
Transistors:1500 millions
Bus interface:PCI-E 3.0 x16
Clock rates
Core clock:800 MHz
Memory clock:1000 MHz
Effective memory clock (DDR):
http://gamesystemrequirements.com/
4000 MHz
Memory
Memory size:2048 MB
Memory bus type:GDDR5
Memory bus width:128 bit
Memory bandwidth (maximum):64 GB/s
Core units
Unified shader units:
(Stream processors)
640
Texture mapping units (TMU):
http://gamesystemrequirements.com/
40
Render output units (ROP):16
Compute units:10
Performance
Pixel fillrate:12.8 (GP/s)
Texture fillrate:
http://gamesystemrequirements.com/
32 (GT/s)
Single Precision (peak):1024 GFLOPS
Supported Technologies:
DirectX:11.1OpenGL:4.3
Pixel shader:
http://gamesystemrequirements.com/
5.0
OpenCL:1.2
Mantle:Yes
Thermal Design Power (TDP,Max):45 W
Energy efficiency:
- Single Precision / TDP:22.76 GFLOPS/W
Performance
(Benchmark):
2 / 10
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Recommended CPUs:
A6-5200
Core i5-520M
Core i5-4220Y
A6-6310
A8-3530MX
A8-4500M
Core i5-4210Y
Core i5-4200Y
Core i5-460M
Core i5-2467M
Pentium 2020M
Core i3-3217U
Core i5-4202Y
Core i3-2312M
Phenom II N930
Celeron 3955U
Core i7-640LM
Pentium 3550M
A6-3430MX
Pentium 3560M
Core i3-390M
Core 2 Duo T9900
A8-3520M
Core i3-4012Y
Core i3-4020Y
Core i5-2537M
Core i5-3339Y
Phenom II X620
Pentium A1018
Core 2 Extreme X9100
Core i5-450M
Core M-5Y10a
Core i3-380M
Core i7-620LM
Celeron 2950M
Core i5-430M
A8-4557M
A8-4555M
A4-6210
A6-3410MX
Phenom II P960
Pentium B980
A6-3420M
Core i3-370M
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