AMD Phenom II X4 945 (95W) vs AMD Phenom X4 9550

Comparative analysis of AMD Phenom II X4 945 (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, 3DMark Fire Strike - Physics Score, 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), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Phenom II X4 945 (95W)

AMD Phenom X4 9550

Differences

Reasons to consider the AMD Phenom II X4 945 (95W)

CPU is newer: launch date 1 year(s) 4 month(s) later
Around 36% higher clock speed: 3 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
Around 40% better performance in Geekbench 4 - Single Core: 399 vs 286
Around 65% better performance in Geekbench 4 - Multi-Core: 1333 vs 808
Around 35% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.576 vs 2.65
2.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 14.5 vs 6.175
Around 45% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.212 vs 0.146

Specifications (specs)
Launch date	July 2009 vs March 2008
Maximum frequency	3 GHz vs 2.2 GHz
Manufacturing process technology	45 nm vs 65 nm
L3 cache	6144 KB (shared) vs 2048 KB (shared)
Benchmarks
Geekbench 4 - Single Core	399 vs 286
Geekbench 4 - Multi-Core	1333 vs 808
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.576 vs 2.65
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14.5 vs 6.175
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.212 vs 0.146

Compare benchmarks

CPU 1: AMD Phenom II X4 945 (95W)
CPU 2: AMD Phenom X4 9550

Geekbench 4 - Single Core

CPU 1

CPU 2

399

286

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1333

808

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.576

2.65

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

14.5

6.175

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.212

0.146

Name	AMD Phenom II X4 945 (95W)	AMD Phenom X4 9550
Geekbench 4 - Single Core	399	286
Geekbench 4 - Multi-Core	1333	808
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.576	2.65
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14.5	6.175
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.212	0.146
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.394
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.125

Compare specifications (specs)

	AMD Phenom II X4 945 (95W)	AMD Phenom X4 9550
Essentials
Architecture codename	Deneb	Agena
Launch date	July 2009	March 2008
Place in performance rating	3251	3254
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 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™)