Phenom X4 9500 vs Phenom II X2 550

VS

Aggregate performance score

Phenom II X2 550
2009
2 cores / 2 threads, 80 Watt
0.73
Phenom X4 9500
2007
4 cores / 4 threads, 95 Watt
0.98
+34.2%

Phenom X4 9500 outperforms Phenom II X2 550 by a substantial 34% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X2 550 and Phenom X4 9500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26832482
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.04no data
Market segmentDesktop processorDesktop processor
Power efficiency0.860.98
Architecture codenameCallisto (2009−2010)Agena (2007−2008)
Release date4 November 2009 (15 years ago)November 2007 (17 years ago)
Launch price (MSRP)$133no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X2 550 and Phenom X4 9500 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)4 (Quad-Core)
Threads24
Base clock speed3.1 GHzno data
Boost clock speed3.1 GHz2.2 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--

Compatibility

Information on Phenom II X2 550 and Phenom X4 9500 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 550 and Phenom X4 9500 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 550 and Phenom X4 9500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 550 and Phenom X4 9500.

PCIe version2.0no 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 550 0.73
Phenom X4 9500 0.98
+34.2%

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.

Phenom II X2 550 1167
Phenom X4 9500 1564
+34%

Gaming performance

Pros & cons summary


Performance score 0.73 0.98
Physical cores 2 4
Threads 2 4
Chip lithography 45 nm 65 nm
Power consumption (TDP) 80 Watt 95 Watt

Phenom II X2 550 has a 44.4% more advanced lithography process, and 18.8% lower power consumption.

Phenom X4 9500, on the other hand, has a 34.2% higher aggregate performance score, and 100% more physical cores and 100% more threads.

The Phenom X4 9500 is our recommended choice as it beats the Phenom II X2 550 in performance tests.


Should you still have questions on choice between Phenom II X2 550 and Phenom X4 9500, ask them in Comments section, and we shall answer.

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AMD Phenom II X2 550
Phenom II X2 550
AMD Phenom X4 9500
Phenom X4 9500

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Community ratings

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


3.6 150 votes

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Questions & comments

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