AMD Phenom II X4 955 (95W) vs AMD Phenom X4 9550

Comparative analysis of AMD Phenom II X4 955 (95W) and AMD Phenom X4 9550 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

AMD Phenom II X4 955 (95W)

AMD Phenom X4 9550

Differences

Reasons to consider the AMD Phenom II X4 955 (95W)

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 45% higher clock speed: 3.2 GHz vs 2.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
3x more L3 cache, more data can be stored in the L3 cache for quick access later

Launch date	April 2009 vs March 2008
Maximum frequency	3.2 GHz vs 2.2 GHz
Manufacturing process technology	45 nm vs 65 nm
L3 cache	6144 KB (shared) vs 2048 KB (shared)

Compare benchmarks

CPU 1: AMD Phenom II X4 955 (95W)
CPU 2: AMD Phenom X4 9550

Name	AMD Phenom II X4 955 (95W)	AMD Phenom X4 9550
Geekbench 4 - Single Core		286
Geekbench 4 - Multi-Core		808
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.65
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		6.175
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.146

Compare specifications (specs)

	AMD Phenom II X4 955 (95W)	AMD Phenom X4 9550
Essentials
Architecture codename	Deneb	Agena
Launch date	April 2009	March 2008
Place in performance rating	not rated	3266
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	258 mm	285 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	6144 KB (shared)	2048 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum frequency	3.2 GHz	2.2 GHz
Number of cores	4	4
Transistor count	758 million	450 million
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM2+
Thermal Design Power (TDP)	95 Watt	95 Watt
Virtualization
AMD Virtualization (AMD-V™)