AMD Athlon II X4 645 vs Intel Pentium 4 519K

Comparative analysis of AMD Athlon II X4 645 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s).

AMD Athlon II X4 645

Intel Pentium 4 519K

Differences

Reasons to consider the AMD Athlon II X4 645

CPU is newer: launch date 5 year(s) 8 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 1% higher clock speed: 3.1 GHz vs 3.06 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
32x 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 83% better performance in Geekbench 4 - Multi-Core: 1215 vs 665

Specifications (specs)
Launch date	September 2010 vs January 2005
Number of cores	4 vs 1
Maximum frequency	3.1 GHz vs 3.06 GHz
Manufacturing process technology	45 nm vs 90 nm
L1 cache	128 KB (per core) vs 16 KB
L2 cache	512 KB (per core) vs 1024 KB
Benchmarks
Geekbench 4 - Multi-Core	1215 vs 665

Reasons to consider the Intel Pentium 4 519K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 13% lower typical power consumption: 84 Watt vs 95 Watt
Around 77% better performance in Geekbench 4 - Single Core: 662 vs 375

Specifications (specs)
Unlocked	Unlocked vs Locked
Thermal Design Power (TDP)	84 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	662 vs 375

Compare benchmarks

CPU 1: AMD Athlon II X4 645
CPU 2: Intel Pentium 4 519K

Geekbench 4 - Single Core

CPU 1

CPU 2

375

662

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1215

665

Name	AMD Athlon II X4 645	Intel Pentium 4 519K
PassMark - Single thread mark	1256
PassMark - CPU mark	2348
Geekbench 4 - Single Core	375	662
Geekbench 4 - Multi-Core	1215	665
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.103
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.496

Compare specifications (specs)

	AMD Athlon II X4 645	Intel Pentium 4 519K
Essentials
Architecture codename	Propus	Prescott
Launch date	September 2010	January 2005
Launch price (MSRP)	$80
Place in performance rating	2764	2744
Price now	$49.99
Value for money (0-100)	20.48
Vertical segment	Desktop	Desktop
Processor Number		519K
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	169 mm	112 mm2
L1 cache	128 KB (per core)	16 KB
L2 cache	512 KB (per core)	1024 KB
Manufacturing process technology	45 nm	90 nm
Maximum frequency	3.1 GHz	3.06 GHz
Number of cores	4	1
Transistor count	300 million	125 million
Base frequency		3.06 GHz
Bus Speed		533 MHz FSB
Maximum core temperature		67.7°C
Unlocked
VID voltage range		1.25V-1.400V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	PLGA775
Thermal Design Power (TDP)	95 Watt	84 Watt
Low Halogen Options Available
Security & Reliability
Execute Disable Bit (EDB)
Advanced Technologies
Idle States
Intel 64
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)