AMD Phenom II X4 945 (125W) vs Intel Pentium D 945

Comparative analysis of AMD Phenom II X4 945 (125W) and Intel Pentium D 945 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom II X4 945 (125W)

Intel Pentium D 945

Differences

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

CPU is newer: launch date 2 year(s) 9 month(s) later
2 more cores, run more applications at once: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
18.3x more L1 cache, more data can be stored in the L1 cache for quick access later

Launch date	April 2009 vs July 2006
Number of cores	4 vs 2
Manufacturing process technology	45 nm vs 65 nm
L1 cache	128 KB (per core) vs 28 KB

Reasons to consider the Intel Pentium D 945

Around 13% higher clock speed: 3.4 GHz vs 3 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 32% lower typical power consumption: 95 Watt vs 125 Watt

Maximum frequency	3.4 GHz vs 3 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 125 Watt

Compare benchmarks

CPU 1: AMD Phenom II X4 945 (125W)
CPU 2: Intel Pentium D 945

Name	AMD Phenom II X4 945 (125W)	Intel Pentium D 945
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.576
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14.5
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.212
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.394
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.125
Geekbench 4 - Single Core		220
Geekbench 4 - Multi-Core		389

Compare specifications (specs)

	AMD Phenom II X4 945 (125W)	Intel Pentium D 945
Essentials
Architecture codename	Deneb	Presler
Launch date	April 2009	July 2006
Place in performance rating	3187	3188
Vertical segment	Desktop	Desktop
Processor Number		945
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	258 mm	162 mm2
L1 cache	128 KB (per core)	28 KB
L2 cache	512 KB (per core)	4096 KB
L3 cache	6144 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum frequency	3 GHz	3.4 GHz
Number of cores	4	2
Transistor count	758 million	376 million
Base frequency		3.40 GHz
Bus Speed		800 MHz FSB
Maximum core temperature		63.4°C
VID voltage range		1.200V-1.3375V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AM3	PLGA775
Thermal Design Power (TDP)	125 Watt	95 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
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® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)		32-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)