Radeon HD 3850 X2

Manufacturer:	AMD
Series:	HD 3xxx (Radeon R600)
Codename:	RV670 PRO
Architecture:	TeraScale 1
Release date:	2008. April 04.
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:	669 MHz
Memory clock:	828 MHz
Effective memory clock (DDR):	https://gamesystemrequirements.com/ 6624 MHz

Memory
Memory size:	2x 512 MB
Memory bus type:	GDDR3
Memory bus width:	2x 256 bit
Memory bandwidth (maximum):	2x 53 GB/s

Core units
Unified shader units: (Stream processors)	2x 320
Texture mapping units (TMU):	https://gamesystemrequirements.com/ 2x 16
Render output units (ROP):	2x 16
Compute units:	2x 4

Performance
Pixel fillrate:	2x 10.7 (GP/s)
Texture fillrate:	https://gamesystemrequirements.com/ 2x 10.7 (GT/s)
Single Precision (peak):	856.4 GFLOPS

Supported Technologies:
DirectX:	10.1	OpenGL:	3.3
Pixel shader:	https://gamesystemrequirements.com/ 4.1	OpenCL:	1.0

Thermal Design Power (TDP,Max):	140 W
Energy efficiency:
- Single Precision / TDP:	6.12 GFLOPS/W
Release price (USD):	350 USD
Performance/price ratio:	2.45 GFLOPS/$
Performance (Benchmark):	1 / 10 ■□□□□□□□□□

Recommended CPUs:

Ryzen Threadripper 2920X
Ryzen Threadripper 2990WX
Athlon 64 X2 4450e
Athlon 64 X2 BE-2300
Pentium E2180
Core 2 Duo E4300
Athlon 64 X2 BE-2350
Celeron J1750
Celeron E1400
Athlon 64 X2 4000+
Athlon 64 X2 4200+
Celeron J1800
Celeron G460
Athlon II X2 250u
Athlon Neo X2 6850e
Athlon 64 X2 3800+
Core 2 Duo E4200
Athlon 64 X2 3400+
Pentium E2160
Celeron J3060
Athlon Neo X2 6650e
Sempron X2 2300
Sempron X2 2200
Athlon 64 X2 3600+
Athlon 64 X2 3000+
Pentium E2140
Sempron X2 2100
Celeron E1200
Atom D2700
Pentium D 960
Sempron 2650
Athlon 64 X2 3250e
Sempron 145
Athlon 64 FX FX-55
Pentium D 950
Sempron 140
Pentium D 945
Athlon 64 FX FX-57
Pentium D 940
Atom D525
Pentium D 935
Celeron G440
Athlon 64 LE-1660
Sempron 150

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