Phenom II X2 N640 vs Phenom II X4 N950

Place in the ranking	2107	2529
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	4x AMD Phenom II	2x AMD Phenom II
Power efficiency	4.22	2.43
Architecture codename	Champlain (2010−2011)	Champlain (2010−2011)
Release date	4 October 2010 (14 years ago)	1 October 2010 (14 years ago)

Detailed specifications

Phenom II X4 N950 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Boost clock speed	2.1 GHz	2.9 GHz
Bus rate	3600 MHz	3600 MHz
L1 cache	512 KB	256 KB
L2 cache	2 MB	2 MB
Chip lithography	45 nm	45 nm
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Phenom II X4 N950 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.

Socket	S1	S1
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 N950 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	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 N950 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

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.

Phenom II X4 N950 1.56
+73.3%

Phenom II X2 N640 0.90

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Phenom II X4 N950 275

Phenom II X2 N640 342
+24.4%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Phenom II X4 N950 986
+58.3%

Phenom II X2 N640 623