Phenom II X3 P820 vs Turion II Ultra M660

Place in the ranking	2758	2737
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Turion II Ultra	3x AMD Phenom II
Power efficiency	1.72	2.53
Architecture codename	Caspian (2009)	Champlain (2010−2011)
Release date	10 September 2009 (15 years ago)	12 May 2010 (14 years ago)

Detailed specifications

Turion II Ultra M660 and Phenom II X3 P820 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	3 (Tri-Core)
Threads	2	3
Boost clock speed	2.7 GHz	1.8 GHz
Bus rate	3600 MHz	3600 MHz
L1 cache	no data	384 KB
L2 cache	2 MB	1.5 MB
Chip lithography	45 nm	45 nm
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Turion II Ultra M660 and Phenom II X3 P820 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Socket	Socket S1 (s1g3) 638-pin	S1
Power consumption (TDP)	35 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Turion II Ultra M660 and Phenom II X3 P820. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization	Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a)
PowerNow	+	-
VirusProtect	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Turion II Ultra M660 and Phenom II X3 P820 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M660 and Phenom II X3 P820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Turion II Ultra M660 0.65

Phenom II X3 P820 0.68
+4.6%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Turion II Ultra M660 2278
+46%

Phenom II X3 P820 1560

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Turion II Ultra M660 4403
+5.6%

Phenom II X3 P820 4169

Gaming performance

Pros & cons summary

Performance score	0.65	0.68
Recency	10 September 2009	12 May 2010
Physical cores	2	3
Threads	2	3
Power consumption (TDP)	35 Watt	25 Watt

Phenom II X3 P820 has a 4.6% higher aggregate performance score, an age advantage of 8 months, 50% more physical cores and 50% more threads, and 40% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Turion II Ultra M660 and Phenom II X3 P820.

Should you still have questions on choice between Turion II Ultra M660 and Phenom II X3 P820, ask them in Comments section, and we shall answer.