AMD Phenom X3 8850 vs Phenom II X2 B55

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Combined performance score

Phenom II X2 B55
0.77
+4.1%

Phenom II X2 B55 outperforms Phenom X3 8850 by 4% in our combined benchmark results.

General info

Comparing Phenom II X2 B55 and Phenom X3 8850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking24972526
Place by popularitynot in top-100not in top-100
Value for money2.02no data
Market segmentDesktop processorDesktop processor
Architecture codenameCallisto (2009−2010)Toliman (2008)
Release dateOctober 2009 (14 years old)October 2008 (15 years old)
Launch price (MSRP)$48no data
Current price$23 (0.5x MSRP)no data
Value for money

Performance per price, higher is better.

no data

Technical specs

Phenom II X2 B55 and Phenom X3 8850 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
Boost clock speed3 GHz2.5 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 multiplierNoNo

Compatibility

Information on Phenom II X2 B55 and Phenom X3 8850 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 B55 and Phenom X3 8850 are enumerated here.

AMD-Vno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 B55 and Phenom X3 8850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no 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.


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 X2 B55 0.77
+4.1%
Phenom X3 8850 0.74

Phenom II X2 B55 outperforms Phenom X3 8850 by 4% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Phenom II X2 B55 1183
+3.6%
Phenom X3 8850 1142

Phenom II X2 B55 outperforms Phenom X3 8850 by 4% in Passmark.

Gaming performance

Advantages and disadvantages


Performance score 0.77 0.74
Physical cores 2 3
Threads 2 3
Chip lithography 45 nm 65 nm
Power consumption (TDP) 80 Watt 95 Watt

We couldn't decide between Phenom II X2 B55 and Phenom X3 8850. The differences in performance seem too small.


Should you still have questions on choice between Phenom II X2 B55 and Phenom X3 8850, ask them in Comments section, and we shall answer.

User ratings

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


AMD Phenom II X2 B55
Phenom II X2 B55
AMD Phenom X3 8850
Phenom X3 8850

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

User ratings: view and submit

Here you can see how users rate the processors, as well as rate them yourself.


3.9 31 vote

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Questions and comments

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