Phenom II X2 N640 vs Pentium M 770

General info

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

Place in performance ranking	not rated	2385
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Pentium M	2x AMD Phenom II
Architecture codename	Dothan (2004−2005)	Champlain (2010−2011)
Release date	January 2005 (19 years ago)	1 October 2010 (13 years ago)
Current price	$113	no data

Technical specs

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	2.13 GHz	2.9 GHz
Bus support	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	84 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
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	DDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	no data	+
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
Status	Discontinued	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	no data	DDR3
ECC memory support	-	no data

Advantages and disadvantages

---

Physical cores	1	2
Threads	1	2
Chip lithography	90 nm	45 nm
Power consumption (TDP)	27 Watt	35 Watt

---

Should you still have questions on choice between Pentium M 770 and Phenom II X2 N640, ask them in Comments section, and we shall answer.

Vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---