Turion II Ultra M640 vs Turion X2 RM-74

Primary details

Comparing Turion X2 RM-74 and Turion II Ultra M640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	2x AMD Turion	AMD Turion II Ultra
Architecture codename	Lion (2008−2009)	Caspian (2009)
Release date	1 January 2009 (15 years ago)	10 September 2009 (14 years ago)

Detailed specifications

Turion X2 RM-74 and Turion II Ultra M640 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	2.2 GHz	2.6 GHz
Bus rate	3600 MHz	3600 MHz
L1 cache	256 KB	no data
L2 cache	1 MB	2 MB
L3 cache	0 KB	no data
Chip lithography	65 nm	45 nm
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Turion X2 RM-74 and Turion II Ultra M640 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	1	no data
Socket	S1	Socket S1 (s1g3) 638-pin
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Turion X2 RM-74 and Turion II Ultra M640. 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 X2 RM-74 and Turion II Ultra M640 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Turion X2 RM-74 and Turion II Ultra M640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR2

Pros & cons summary

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

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Should you still have questions on choice between Turion X2 RM-74 and Turion II Ultra M640, ask them in Comments section, and we shall answer.

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