Intel Pentium 4 HT 651 vs AMD Athlon XP 2500+ DTR

Comparative analysis of Intel Pentium 4 HT 651 and AMD Athlon XP 2500+ DTR processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization.

Intel Pentium 4 HT 651

AMD Athlon XP 2500+ DTR

Differences

Reasons to consider the Intel Pentium 4 HT 651

CPU is newer: launch date 2 year(s) 11 month(s) later
Around 86% higher clock speed: 3.4 GHz vs 1.83 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 130 nm
4x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	January 2006 vs February 2003
Maximum frequency	3.4 GHz vs 1.83 GHz
Manufacturing process technology	65 nm vs 130 nm
L2 cache	2048 KB vs 512 KB

Reasons to consider the AMD Athlon XP 2500+ DTR

4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 26% lower typical power consumption: 68 Watt vs 86 Watt

L1 cache	128 KB vs 28 KB
Thermal Design Power (TDP)	68 Watt vs 86 Watt

Compare specifications (specs)

	Intel Pentium 4 HT 651	AMD Athlon XP 2500+ DTR
Essentials
Architecture codename	Cedarmill	Barton
Launch date	January 2006	February 2003
Place in performance rating	not rated	not rated
Processor Number	651
Series	Legacy Intel® Pentium® Processor
Status	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.40 GHz
Bus Speed	800 MHz FSB
Die size	81 mm2	101 mm
L1 cache	28 KB	128 KB
L2 cache	2048 KB	512 KB
Manufacturing process technology	65 nm	130 nm
Maximum core temperature	69.2°C
Maximum frequency	3.4 GHz	1.83 GHz
Number of cores	1	1
Transistor count	188 million	63 million
VID voltage range	1.200V-1.3375V
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Scenario Design Power (SDP)	0 W
Sockets supported	PLGA775	A
Thermal Design Power (TDP)	86 Watt	68 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
Physical Address Extensions (PAE)	32-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)