Intel Celeron 420 vs Intel Pentium 4 519K

Comparative analysis of Intel Celeron 420 and Intel Pentium 4 519K 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Celeron 420

Intel Pentium 4 519K

Differences

Reasons to consider the Intel Celeron 420

CPU is newer: launch date 2 year(s) 5 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
4x more L1 cache, more data can be stored in the L1 cache for quick access later
2.4x lower typical power consumption: 35 Watt vs 84 Watt
Around 33% better performance in Geekbench 4 - Single Core: 883 vs 662
Around 25% better performance in Geekbench 4 - Multi-Core: 834 vs 665

Specifications (specs)
Launch date	June 2007 vs January 2005
Manufacturing process technology	65 nm vs 90 nm
L1 cache	64 KB vs 16 KB
Thermal Design Power (TDP)	35 Watt vs 84 Watt
Benchmarks
Geekbench 4 - Single Core	883 vs 662
Geekbench 4 - Multi-Core	834 vs 665

Reasons to consider the Intel Pentium 4 519K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 91% higher clock speed: 3.06 GHz vs 1.6 GHz
Around 12% higher maximum core temperature: 67.7°C vs 60.4°C
2x more L2 cache, more data can be stored in the L2 cache for quick access later

Unlocked	Unlocked vs Locked
Maximum frequency	3.06 GHz vs 1.6 GHz
Maximum core temperature	67.7°C vs 60.4°C
L2 cache	1024 KB vs 512 KB

Compare benchmarks

CPU 1: Intel Celeron 420
CPU 2: Intel Pentium 4 519K

Geekbench 4 - Single Core

CPU 1

CPU 2

883

662

Geekbench 4 - Multi-Core

CPU 1

CPU 2

834

665

Name	Intel Celeron 420	Intel Pentium 4 519K
PassMark - Single thread mark	471
PassMark - CPU mark	235
Geekbench 4 - Single Core	883	662
Geekbench 4 - Multi-Core	834	665

Compare specifications (specs)

	Intel Celeron 420	Intel Pentium 4 519K
Essentials
Architecture codename	Conroe	Prescott
Launch date	June 2007	January 2005
Launch price (MSRP)	$23
Place in performance rating	2728	2744
Price now	$39.99
Processor Number	420	519K
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	3.31
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.60 GHz	3.06 GHz
Bus Speed	800 MHz FSB	533 MHz FSB
Die size	77 mm2	112 mm2
L1 cache	64 KB	16 KB
L2 cache	512 KB	1024 KB
Manufacturing process technology	65 nm	90 nm
Maximum case temperature (TCase)	60 °C
Maximum core temperature	60.4°C	67.7°C
Maximum frequency	1.6 GHz	3.06 GHz
Number of cores	1	1
Transistor count	105 million	125 million
VID voltage range	1.0000V-1.3375V	1.25V-1.400V
Unlocked
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA775	PLGA775
Thermal Design Power (TDP)	35 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® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)