AMD Phenom II X4 820 vs AMD Athlon 64 LE-1620

Comparative analysis of AMD Phenom II X4 820 and AMD Athlon 64 LE-1620 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom II X4 820

AMD Athlon 64 LE-1620

Differences

Reasons to consider the AMD Phenom II X4 820

CPU is newer: launch date 1 year(s) 11 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 17% higher clock speed: 2.8 GHz vs 2.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
4x 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
2.4x better performance in PassMark - Single thread mark: 1121 vs 475
4.9x better performance in PassMark - CPU mark: 2081 vs 421
Around 2% better performance in Geekbench 4 - Multi-Core: 1098 vs 1074

Specifications (specs)
Launch date	September 2009 vs October 2007
Number of cores	4 vs 1
Maximum frequency	2.8 GHz vs 2.4 GHz
Manufacturing process technology	45 nm vs 90 nm
L1 cache	128 KB (per core) vs 128 KB
L2 cache	512 KB (per core) vs 1024 KB
Benchmarks
PassMark - Single thread mark	1121 vs 475
PassMark - CPU mark	2081 vs 421
Geekbench 4 - Multi-Core	1098 vs 1074

Reasons to consider the AMD Athlon 64 LE-1620

2.1x lower typical power consumption: 45 Watt vs 95 Watt
3x better performance in Geekbench 4 - Single Core: 1101 vs 364

Specifications (specs)
Thermal Design Power (TDP)	45 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	1101 vs 364

Compare benchmarks

CPU 1: AMD Phenom II X4 820
CPU 2: AMD Athlon 64 LE-1620

PassMark - Single thread mark

CPU 1

CPU 2

1121

475

PassMark - CPU mark

CPU 1

CPU 2

2081

421

Geekbench 4 - Single Core

CPU 1

CPU 2

364

1101

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1098

1074

Name	AMD Phenom II X4 820	AMD Athlon 64 LE-1620
PassMark - Single thread mark	1121	475
PassMark - CPU mark	2081	421
Geekbench 4 - Single Core	364	1101
Geekbench 4 - Multi-Core	1098	1074

Compare specifications (specs)

	AMD Phenom II X4 820	AMD Athlon 64 LE-1620
Essentials
Architecture codename	Deneb	Windsor
Launch date	September 2009	October 2007
Launch price (MSRP)	$90
Place in performance rating	2556	2573
Price now	$74.95
Value for money (0-100)	13.36
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	258 mm	230 mm
L1 cache	128 KB (per core)	128 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	2.4 GHz
Number of cores	4	1
Transistor count	758 million	227 million
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM2
Thermal Design Power (TDP)	95 Watt	45 Watt