Phenom X3 8450 vs Phenom II X2 555 BE

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Primary details

Comparing Phenom II X2 555 BE and Phenom X3 8450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2651
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiencyno data0.77
Architecture codenameCallisto (2009−2010)Toliman (2008)
Release date25 January 2010 (14 years ago)April 2008 (16 years ago)

Detailed specifications

Phenom II X2 555 BE and Phenom X3 8450 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 cores2 (Dual-core)3 (Tri-Core)
Threads23
Base clock speed3.2 GHzno data
Boost clock speed3.2 GHz2.1 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache6 MB (shared)2 MB (shared)
Chip lithography45 nm65 nm
Die size258 mm2285 mm2
Number of transistors758 million450 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Phenom II X2 555 BE and Phenom X3 8450 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 configuration11
SocketAM3AM2+
Power consumption (TDP)80 Watt95 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 555 BE and Phenom X3 8450 are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 555 BE and Phenom X3 8450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 555 BE and Phenom X3 8450.

PCIe version2.0no data

Pros & cons summary


Physical cores 2 3
Threads 2 3
Chip lithography 45 nm 65 nm
Power consumption (TDP) 80 Watt 95 Watt

Phenom II X2 555 BE has a 44.4% more advanced lithography process, and 18.8% lower power consumption.

Phenom X3 8450, on the other hand, has 50% more physical cores and 50% more threads.

We couldn't decide between Phenom II X2 555 BE and Phenom X3 8450. We've got no test results to judge.


Should you still have questions on choice between Phenom II X2 555 BE and Phenom X3 8450, ask them in Comments section, and we shall answer.

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AMD Phenom II X2 555 BE
Phenom II X2 555 BE
AMD Phenom X3 8450
Phenom X3 8450

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Community ratings

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3.8 152 votes

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