AMD Ryzen 7 3800X vs AMD Athlon II X3 405e

Comparative analysis of AMD Ryzen 7 3800X and AMD Athlon II X3 405e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, PassMark - Single thread mark, PassMark - CPU mark.

AMD Ryzen 7 3800X

AMD Athlon II X3 405e

Differences

Reasons to consider the AMD Ryzen 7 3800X

CPU is newer: launch date 9 year(s) 9 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
5 more cores, run more applications at once: 8 vs 3
Around 96% higher clock speed: 4.5 GHz vs 2.3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 45 nm
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	7 July 2019 vs October 2009
Unlocked	Unlocked vs Locked
Number of cores	8 vs 3
Maximum frequency	4.5 GHz vs 2.3 GHz
Manufacturing process technology	7 nm vs 45 nm
L1 cache	512 KB vs 128 KB (per core)
L2 cache	4 MB vs 512 KB (per core)

Reasons to consider the AMD Athlon II X3 405e

2.3x lower typical power consumption: 45 Watt vs 105 Watt

Thermal Design Power (TDP)	45 Watt vs 105 Watt

Compare benchmarks

CPU 1: AMD Ryzen 7 3800X
CPU 2: AMD Athlon II X3 405e

Name	AMD Ryzen 7 3800X	AMD Athlon II X3 405e
Geekbench 4 - Single Core	1283
Geekbench 4 - Multi-Core	9002
3DMark Fire Strike - Physics Score	6209
PassMark - Single thread mark		973
PassMark - CPU mark		1331

Compare specifications (specs)

	AMD Ryzen 7 3800X	AMD Athlon II X3 405e
Essentials
Architecture codename	Zen 2	Rana
Family	Ryzen 7
Launch date	7 July 2019	October 2009
Launch price (MSRP)	$399	$80
OPN PIB	100-100000025BOX
OPN Tray	100-000000025
Place in performance rating	1209	2220
Vertical segment	Desktop	Desktop
Price now		$79.99
Value for money (0-100)		7.46
Performance
64 bit support
Base frequency	3.9 GHz
L1 cache	512 KB	128 KB (per core)
L2 cache	4 MB	512 KB (per core)
L3 cache	32 MB
Manufacturing process technology	7 nm	45 nm
Maximum frequency	4.5 GHz	2.3 GHz
Number of cores	8	3
Number of threads	16
Unlocked
Die size		169 mm
Transistor count		300 million
Memory
Max memory channels	2
Supported memory frequency	3200 MHz
Supported memory types	DDR4-3200	DDR3
Compatibility
Sockets supported	AM4	AM3
Thermal Design Power (TDP)	105 Watt	45 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	24
PCI Express revision	4.0
PCIe configurations	x16
Advanced Technologies
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)