Phenom II X2 N640 vs Phenom II X4 B95

Primary details

Comparing Phenom II X4 B95 and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2147	2545
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
Power efficiency	1.51	2.46
Architecture codename	Deneb (2009−2011)	Champlain (2010−2011)
Release date	1 October 2009 (15 years ago)	1 October 2010 (14 years ago)
Launch price (MSRP)	$80	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

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
Base clock speed	3 GHz	no data
Boost clock speed	3 GHz	2.9 GHz
Bus rate	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	-	-

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	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 B95 and Phenom II X2 N640 are enumerated here.

AMD-V

+

-

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

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 B95 and Phenom II X2 N640.

PCIe version

2.0

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

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Pros & cons summary

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Performance score	1.52	0.91
Recency	1 October 2009	1 October 2010
Physical cores	4	2
Threads	4	2
Power consumption (TDP)	95 Watt	35 Watt

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Should you still have questions on choice between Phenom II X4 B95 and Phenom II X2 N640, ask them in Comments section, and we shall answer.

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