Phenom II X2 N640 vs Phenom II X4 B95

Place in performance ranking	2019	2415
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.60	no data
Market segment	Desktop processor	Laptop
Series	no data	2x AMD Phenom II
Architecture codename	Deneb (2009−2011)	Champlain (2010−2011)
Release date	October 2009 (14 years ago)	1 October 2010 (13 years ago)
Launch price (MSRP)	$80	no data
Current price	$57 (0.7x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 B95 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	3 GHz	2.9 GHz
Bus support	no data	3600 MHz
L1 cache	128 KB (per core)	256 KB
L2 cache	512 KB (per core)	2 MB
L3 cache	6 MB (shared)	no data
Chip lithography	45 nm	45 nm
Die size	258 mm²	no data
Number of transistors	758 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Phenom II X4 B95 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	AM3	S1
Power consumption (TDP)	95 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 B95 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	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 B95 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

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 B95 1.55
+66.7%

Phenom II X2 N640 0.93

Phenom II X4 B95 outperforms Phenom II X2 N640 by 67% based on our aggregated benchmark results.

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.

Benchmark coverage: 42%

Phenom II X4 B95 399
+16.7%

Phenom II X2 N640 342

Phenom II X4 B95 outperforms Phenom II X2 N640 by 17% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Phenom II X4 B95 1329
+113%

Phenom II X2 N640 623

Phenom II X4 B95 outperforms Phenom II X2 N640 by 113% in GeekBench 5 Multi-Core.