Intel Xeon MP 3.66 vs Intel Pentium 4 HT 620

Comparative analysis of Intel Xeon MP 3.66 and Intel Pentium 4 HT 620 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon MP 3.66

Intel Pentium 4 HT 620

Differences

Reasons to consider the Intel Xeon MP 3.66

Around 31% higher clock speed: 3.67 GHz vs 2.8 GHz
Around 8% higher maximum core temperature: 73°C vs 67.7°C

Maximum frequency	3.67 GHz vs 2.8 GHz
Maximum core temperature	73°C vs 67.7°C

Reasons to consider the Intel Pentium 4 HT 620

Around 75% more L1 cache; more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 31% lower typical power consumption: 84 Watt vs 110 Watt

L1 cache	28 KB vs 16 KB
L2 cache	2048 KB vs 1024 KB
Thermal Design Power (TDP)	84 Watt vs 110 Watt

Compare benchmarks

CPU 1: Intel Xeon MP 3.66
CPU 2: Intel Pentium 4 HT 620

Name	Intel Xeon MP 3.66	Intel Pentium 4 HT 620
Geekbench 4 - Single Core		801
Geekbench 4 - Multi-Core		906

Compare specifications (specs)

	Intel Xeon MP 3.66	Intel Pentium 4 HT 620
Essentials
Architecture codename	Cranford	Prescott
Launch date	March 2005	February 2005
Place in performance rating	not rated	2527
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Server	Desktop
Processor Number		620
Performance
64 bit support
Base frequency	3.66 GHz	2.80 GHz
Bus Speed	667 MHz FSB	800 MHz FSB
Die size	112 mm2	135 mm2
L1 cache	16 KB	28 KB
L2 cache	1024 KB	2048 KB
Manufacturing process technology	90 nm	90 nm
Maximum core temperature	73°C	67.7°C
Maximum frequency	3.67 GHz	2.8 GHz
Number of cores	1	1
Transistor count	125 million	169 million
VID voltage range	1.2875V-1.4000V	1.200V-1.400V
Maximum case temperature (TCase)		68 °C
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	53.3mm x 53.3mm
Sockets supported	PPGA604	PLGA775
Thermal Design Power (TDP)	110 Watt	84 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
Virtualization
Intel® Virtualization Technology (VT-x)
Memory
Supported memory types		DDR1, DDR2, DDR3