AMD Phenom X3 8400 vs Intel Pentium 4 HT 660

Comparative analysis of AMD Phenom X3 8400 and Intel Pentium 4 HT 660 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Virtualization, Memory, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom X3 8400

Intel Pentium 4 HT 660

Differences

Reasons to consider the AMD Phenom X3 8400

CPU is newer: launch date 3 year(s) 0 month(s) later
2 more cores, run more applications at once: 3 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
13.7x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 21% lower typical power consumption: 95 Watt vs 115 Watt
2.2x better performance in Geekbench 4 - Multi-Core: 2405 vs 1106

Specifications (specs)
Launch date	March 2008 vs February 2005
Number of cores	3 vs 1
Manufacturing process technology	65 nm vs 90 nm
L1 cache	128 KB (per core) vs 28 KB
Thermal Design Power (TDP)	95 Watt vs 115 Watt
Benchmarks
Geekbench 4 - Multi-Core	2405 vs 1106

Reasons to consider the Intel Pentium 4 HT 660

Around 71% higher clock speed: 3.6 GHz vs 2.1 GHz
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later

Specifications (specs)
Maximum frequency	3.6 GHz vs 2.1 GHz
L2 cache	2048 KB vs 512 KB (per core)
Benchmarks
Geekbench 4 - Single Core	975 vs 973

Compare benchmarks

CPU 1: AMD Phenom X3 8400
CPU 2: Intel Pentium 4 HT 660

Geekbench 4 - Single Core

CPU 1

CPU 2

973

975

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2405

1106

Name	AMD Phenom X3 8400	Intel Pentium 4 HT 660
PassMark - Single thread mark	819
PassMark - CPU mark	1164
Geekbench 4 - Single Core	973	975
Geekbench 4 - Multi-Core	2405	1106

Compare specifications (specs)

	AMD Phenom X3 8400	Intel Pentium 4 HT 660
Essentials
Architecture codename	Toliman	Prescott
Launch date	March 2008	February 2005
Place in performance rating	2296	2285
Vertical segment	Desktop	Desktop
Processor Number		660
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	285 mm	135 mm2
L1 cache	128 KB (per core)	28 KB
L2 cache	512 KB (per core)	2048 KB
L3 cache	2048 KB (shared)
Manufacturing process technology	65 nm	90 nm
Maximum frequency	2.1 GHz	3.6 GHz
Number of cores	3	1
Transistor count	450 million	169 million
Base frequency		3.60 GHz
Bus Speed		800 MHz FSB
Maximum core temperature		70.8°C
VID voltage range		1.200V-1.400V
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM2+	PLGA775, PPGA775
Thermal Design Power (TDP)	95 Watt	115 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
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® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring