AMD Phenom II X4 945 (125W) vs AMD Phenom X4 9950 BE (140W)

Comparative analysis of AMD Phenom II X4 945 (125W) and AMD Phenom X4 9950 BE (140W) processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization. Benchmark processor performance analysis: 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 (125W)

AMD Phenom X4 9950 BE (140W)

Differences

Reasons to consider the AMD Phenom II X4 945 (125W)

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 15% higher clock speed: 3 GHz vs 2.6 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 12% lower typical power consumption: 125 Watt vs 140 Watt
Around 15% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.576 vs 3.118
2.1x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 14.5 vs 6.836
Around 31% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.212 vs 0.162
Around 32% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.394 vs 0.298
Around 18% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.125 vs 3.494

Specifications (specs)
Launch date	April 2009 vs March 2008
Maximum frequency	3 GHz vs 2.6 GHz
Manufacturing process technology	45 nm vs 65 nm
L3 cache	6144 KB (shared) vs 2048 KB (shared)
Thermal Design Power (TDP)	125 Watt vs 140 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.576 vs 3.118
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14.5 vs 6.836
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.212 vs 0.162
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.394 vs 0.298
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.125 vs 3.494

Reasons to consider the AMD Phenom X4 9950 BE (140W)

Processor is unlocked, an unlocked multiplier allows for easier overclocking

Unlocked	Unlocked vs Locked

Compare benchmarks

CPU 1: AMD Phenom II X4 945 (125W)
CPU 2: AMD Phenom X4 9950 BE (140W)

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.576

3.118

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

CPU 1

CPU 2

14.5

6.836

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

CPU 1

CPU 2

0.212

0.162

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.394

0.298

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.125

3.494

Name	AMD Phenom II X4 945 (125W)	AMD Phenom X4 9950 BE (140W)
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.576	3.118
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14.5	6.836
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.212	0.162
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.394	0.298
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.125	3.494

Compare specifications (specs)

	AMD Phenom II X4 945 (125W)	AMD Phenom X4 9950 BE (140W)
Essentials
Architecture codename	Deneb	Agena
Launch date	April 2009	March 2008
Place in performance rating	3187	3212
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	2.6 GHz
Number of cores	4	4
Transistor count	758 million	450 million
Unlocked
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM2+
Thermal Design Power (TDP)	125 Watt	140 Watt
Virtualization
AMD Virtualization (AMD-V™)