Phenom X3 8550 vs Phenom II X4 925

Place in the ranking	2178	2718
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.11	2.13
Market segment	Desktop processor	Desktop processor
Power efficiency	1.42	0.68
Architecture codename	Deneb (2009−2011)	Toliman (2008)
Release date	11 May 2009 (15 years ago)	April 2008 (16 years ago)
Launch price (MSRP)	$160	$170

Cost-effectiveness evaluation

Performance per price, higher is better.

Phenom X3 8550 has 1836% better value for money than Phenom II X4 925.

Detailed specifications

Phenom II X4 925 and Phenom X3 8550 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)	3 (Tri-Core)
Threads	4	3
Base clock speed	2.8 GHz	no data
Boost clock speed	2.8 GHz	2.2 GHz
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	6 MB (shared)	2 MB (shared)
Chip lithography	45 nm	65 nm
Die size	258 mm²	285 mm²
Number of transistors	758 million	450 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Phenom II X4 925 and Phenom X3 8550 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	1
Socket	AM3	AM2+
Power consumption (TDP)	95 Watt	95 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 925 and Phenom X3 8550 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 925 and Phenom X3 8550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

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 925 and Phenom X3 8550.

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.

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 X4 925 1.48
+108%

Phenom X3 8550 0.71

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 X4 925 2272
+111%

Phenom X3 8550 1079

Gaming performance

Pros & cons summary

Performance score	1.48	0.71
Physical cores	4	3
Threads	4	3
Chip lithography	45 nm	65 nm

Phenom II X4 925 has a 108.5% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, and a 44.4% more advanced lithography process.

The Phenom II X4 925 is our recommended choice as it beats the Phenom X3 8550 in performance tests.

Should you still have questions on choice between Phenom II X4 925 and Phenom X3 8550, ask them in Comments section, and we shall answer.