Turion X2 RM-77 vs Turion II Ultra M660

Primary details

Comparing Turion II Ultra M660 and Turion X2 RM-77 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2759	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Turion II Ultra	2x AMD Turion
Power efficiency	1.72	no data
Architecture codename	Caspian (2009)	Griffin (2008−2009)
Release date	10 September 2009 (15 years ago)	1 January 2009 (15 years ago)

Detailed specifications

Turion II Ultra M660 and Turion X2 RM-77 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)	2 (Dual-core)
Threads	2	2
Boost clock speed	2.7 GHz	2.3 GHz
Bus rate	3600 MHz	4000 MHz
L1 cache	no data	0 MB
L2 cache	2 MB	1 MB
L3 cache	no data	0 KB
Chip lithography	45 nm	65 nm
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Turion II Ultra M660 and Turion X2 RM-77 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.

Number of CPUs in a configuration	no data	1
Socket	Socket S1 (s1g3) 638-pin	Socket S1 (638)
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Turion II Ultra M660 and Turion X2 RM-77. 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	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Turion II Ultra M660 and Turion X2 RM-77 are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M660 and Turion X2 RM-77. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

no data

Pros & cons summary

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Recency	10 September 2009	1 January 2009
Chip lithography	45 nm	65 nm

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Should you still have questions on choice between Turion II Ultra M660 and Turion X2 RM-77, ask them in Comments section, and we shall answer.

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