AMD Phenom X4 9950 BE (140W) vs Intel Pentium D 920

Comparative analysis of AMD Phenom X4 9950 BE (140W) and Intel Pentium D 920 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Virtualization, Memory, Security & Reliability, Advanced Technologies. 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom X4 9950 BE (140W)

Intel Pentium D 920

Differences

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

CPU is newer: launch date 2 year(s) 1 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
18.3x more L1 cache, more data can be stored in the L1 cache for quick access later

Launch date	March 2008 vs January 2006
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
L1 cache	128 KB (per core) vs 28 KB

Reasons to consider the Intel Pentium D 920

Around 8% higher clock speed: 2.8 GHz vs 2.6 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 47% lower typical power consumption: 95 Watt vs 140 Watt

Maximum frequency	2.8 GHz vs 2.6 GHz
L2 cache	4096 KB vs 512 KB (per core)
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	95 Watt vs 140 Watt

Compare benchmarks

CPU 1: AMD Phenom X4 9950 BE (140W)
CPU 2: Intel Pentium D 920

Name	AMD Phenom X4 9950 BE (140W)	Intel Pentium D 920
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.118
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	6.836
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.162
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.298
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.494
Geekbench 4 - Single Core		179
Geekbench 4 - Multi-Core		307

Compare specifications (specs)

	AMD Phenom X4 9950 BE (140W)	Intel Pentium D 920
Essentials
Architecture codename	Agena	Presler
Launch date	March 2008	January 2006
Place in performance rating	3295	3291
Vertical segment	Desktop	Desktop
Processor Number		920
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	285 mm	162 mm2
L1 cache	128 KB (per core)	28 KB
L2 cache	512 KB (per core)	4096 KB
L3 cache	2048 KB (shared)
Manufacturing process technology	65 nm	65 nm
Maximum frequency	2.6 GHz	2.8 GHz
Number of cores	4	2
Transistor count	450 million	376 million
Unlocked
Base frequency		2.80 GHz
Bus Speed		800 MHz FSB
Maximum core temperature		63.4°C
VID voltage range		1.200V-1.3375V
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AM2+	PLGA775
Thermal Design Power (TDP)	140 Watt	95 Watt
Low Halogen Options Available
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Memory
Supported memory types		DDR1, DDR2, DDR3
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Turbo Boost technology
Thermal Monitoring