Intel Pentium 4 2.66 vs AMD Athlon XP 1800+

Comparative analysis of Intel Pentium 4 2.66 and AMD Athlon XP 1800+ processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Pentium 4 2.66

AMD Athlon XP 1800+

Differences

Reasons to consider the Intel Pentium 4 2.66

CPU is newer: launch date 2 month(s) later
Around 74% higher clock speed: 2.66 GHz vs 1.53 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	August 2002 vs June 2002
Maximum frequency	2.66 GHz vs 1.53 GHz
L2 cache	512 KB vs 256 KB

Reasons to consider the AMD Athlon XP 1800+

16x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 29% lower typical power consumption: 51 Watt vs 66.1 Watt

L1 cache	128 KB vs 8 KB
Thermal Design Power (TDP)	51 Watt vs 66.1 Watt

Compare benchmarks

CPU 1: Intel Pentium 4 2.66
CPU 2: AMD Athlon XP 1800+

Name	Intel Pentium 4 2.66	AMD Athlon XP 1800+
PassMark - Single thread mark		301
PassMark - CPU mark		195

Compare specifications (specs)

	Intel Pentium 4 2.66	AMD Athlon XP 1800+
Essentials
Architecture codename	Northwood	Thoroughbred
Launch date	August 2002	June 2002
Place in performance rating	not rated	3244
Series	Legacy Intel® Pentium® Processor
Status	Discontinued
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$59
Price now		$58.95
Value for money (0-100)		1.50
Performance
64 bit support
Base frequency	2.66 GHz
Bus Speed	533 MHz FSB
Die size	131 mm2	80 mm
L1 cache	8 KB	128 KB
L2 cache	512 KB	256 KB
Manufacturing process technology	130 nm	130 nm
Maximum core temperature	74°C
Maximum frequency	2.66 GHz	1.53 GHz
Number of cores	1	1
Transistor count	55 million	37 million
VID voltage range	1.345V-1.420V
Memory
Supported memory types	DDR1, DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	35mm x 35mm
Sockets supported	PPGA478	A
Thermal Design Power (TDP)	66.1 Watt	51 Watt
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
Virtualization
Intel® Virtualization Technology (VT-x)