Phenom II X2 N640 vs Pentium M 770

Primary details

Comparing Pentium M 770 and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2526
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Pentium M	2x AMD Phenom II
Power efficiency	no data	2.43
Architecture codename	Dothan (2004−2005)	Champlain (2010−2011)
Release date	19 January 2005 (19 years ago)	1 October 2010 (14 years ago)

Detailed specifications

Pentium M 770 and Phenom II X2 N640 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Base clock speed	2.13 GHz	no data
Boost clock speed	0.01 GHz	2.9 GHz
Bus rate	533 MHz	3600 MHz
L1 cache	32 KB	256 KB
L2 cache	2 MB	2 MB
L3 cache	0 KB	no data
Chip lithography	90 nm	45 nm
Die size	87 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	144 million	no data
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	1.26V-1.372V	no data

Compatibility

Information on Pentium M 770 and Phenom II X2 N640 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	PPGA478, H-PBGA479	S1
Power consumption (TDP)	27 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium M 770 and Phenom II X2 N640. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Pentium M 770 and Phenom II X2 N640 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium M 770 and Phenom II X2 N640 are enumerated here.

VT-x

-

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium M 770 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Pros & cons summary

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Recency	19 January 2005	1 October 2010
Physical cores	1	2
Threads	1	2
Chip lithography	90 nm	45 nm
Power consumption (TDP)	27 Watt	35 Watt

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