AMD Phenom II X4 820 vs Intel Pentium 4 511

Comparative analysis of AMD Phenom II X4 820 and Intel Pentium 4 511 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.

AMD Phenom II X4 820

Intel Pentium 4 511

Differences

Reasons to consider the AMD Phenom II X4 820

CPU is newer: launch date 4 year(s) 8 month(s) later
3 more cores, run more applications at once: 4 vs 1
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 22% better performance in Geekbench 4 - Multi-Core: 1098 vs 899

Specifications (specs)
Launch date	September 2009 vs January 2005
Number of cores	4 vs 1
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	1098 vs 899

Reasons to consider the Intel Pentium 4 511

Around 13% lower typical power consumption: 84 Watt vs 95 Watt
2.1x better performance in Geekbench 4 - Single Core: 781 vs 364

Specifications (specs)
Thermal Design Power (TDP)	84 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	781 vs 364

Compare benchmarks

CPU 1: AMD Phenom II X4 820
CPU 2: Intel Pentium 4 511

Geekbench 4 - Single Core

CPU 1

CPU 2

364

781

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1098

899

Name	AMD Phenom II X4 820	Intel Pentium 4 511
PassMark - Single thread mark	1121
PassMark - CPU mark	2081
Geekbench 4 - Single Core	364	781
Geekbench 4 - Multi-Core	1098	899

Compare specifications (specs)

	AMD Phenom II X4 820	Intel Pentium 4 511
Essentials
Architecture codename	Deneb	Prescott
Launch date	September 2009	January 2005
Launch price (MSRP)	$90
Place in performance rating	2556	2560
Price now	$74.95
Value for money (0-100)	13.36
Vertical segment	Desktop	Desktop
Processor Number		511
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	258 mm	112 mm2
L1 cache	128 KB (per core)	16 KB
L2 cache	512 KB (per core)	1024 KB
L3 cache	4096 KB (shared)
Manufacturing process technology	45 nm	90 nm
Maximum frequency	2.8 GHz	2.8 GHz
Number of cores	4	1
Transistor count	758 million	125 million
Base frequency		2.80 GHz
Bus Speed		533 MHz FSB
Maximum core temperature		67.7°C
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
Intel 64
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)