Phenom II X2 550 vs Phenom II X2 X640 BE

Athlon II P320 Athlon II P340 Athlon II P360 Phenom II X3 N830 Phenom II X4 N930 Phenom II X4 N970 Phenom II X4 P960 Turion II P520 Turion II P540 V-Series V120 V-Series V140 V-Series V160
VS
Phenom II X2 545 Phenom II X2 550 Phenom II X2 550 BE Phenom II X2 555 BE Phenom II X2 560 BE Phenom II X2 565 BE Phenom II X2 570 BE Phenom II X2 B53 Phenom II X2 B55 Phenom II X2 B57 Phenom II X4 955 (95W) Phenom II X6 1055T (95W)

Aggregate performance score

Phenom II X2 X640 BE
2011
2 cores / 2 threads, 45 Watt
1.01
+38.4%
Phenom II X2 550
2009
2 cores / 2 threads, 80 Watt
0.73

Phenom II X2 X640 BE outperforms Phenom II X2 550 by a substantial 38% based on our aggregate benchmark results.

Contents

Phenom II X2 X640 BE Phenom II X2 X640 BE
Phenom II X2 550 Phenom II X2 550

Primary details

Comparing Phenom II X2 X640 BE and Phenom II X2 550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24532666
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.02
Market segmentLaptopDesktop processor
Series2x AMD Phenom IIno data
Power efficiency2.120.86
Architecture codenameChamplain (2010−2011)Callisto (2009−2010)
Release date12 May 2011 (13 years ago)4 November 2009 (15 years ago)
Launch price (MSRP)no data$133

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X2 X640 BE and Phenom II X2 550 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)2 (Dual-core)
Threads22
Base clock speedno data3.1 GHz
Boost clock speed3.2 GHz3.1 GHz
Bus rate3600 MHzno data
L1 cache256 KB128 KB (per core)
L2 cache2 MB512 KB (per core)
L3 cacheno data6 MB (shared)
Chip lithography45 nm45 nm
Die sizeno data258 mm2
Number of transistorsno data758 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X2 X640 BE and Phenom II X2 550 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 configurationno data1
SocketS1AM3
Power consumption (TDP)45 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Phenom II X2 550. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualizationno data
VirusProtect+-

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 X640 BE and Phenom II X2 550 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and Phenom II X2 550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 X640 BE and Phenom II X2 550.

PCIe versionno data2.0

Gaming performance

Pros & cons summary

Performance score 1.01 0.73
Recency 12 May 2011 4 November 2009
Power consumption (TDP) 45 Watt 80 Watt

Phenom II X2 X640 BE has a 38.4% higher aggregate performance score, an age advantage of 1 year, and 77.8% lower power consumption.

The Phenom II X2 X640 BE is our recommended choice as it beats the Phenom II X2 550 in performance tests.

Be aware that Phenom II X2 X640 BE is a notebook processor while Phenom II X2 550 is a desktop one.

Should you still have questions on choice between Phenom II X2 X640 BE and Phenom II X2 550, ask them in Comments section, and we shall answer.

Vote for your favorite

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

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AMD Phenom II X2 550
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Community ratings

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

2.2 5 votes

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3.7 126 votes

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Questions & comments

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