AMD Athlon X2 450 vs AMD Athlon II X3 455

Comparative analysis of AMD Athlon X2 450 and AMD Athlon II X3 455 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Athlon X2 450

AMD Athlon II X3 455

Differences

Reasons to consider the AMD Athlon X2 450

CPU is newer: launch date 3 year(s) 7 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 18% higher clock speed: 3.9 GHz vs 3.3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 45 nm
Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Launch date	31 Jul 2014 vs December 2010
Unlocked	Unlocked vs Locked
Maximum frequency	3.9 GHz vs 3.3 GHz
Manufacturing process technology	28 nm vs 45 nm
Thermal Design Power (TDP)	65 Watt vs 95 Watt

Reasons to consider the AMD Athlon II X3 455

1 more cores, run more applications at once: 3 vs 2
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 52% better performance in PassMark - Single thread mark: 1332 vs 878
Around 45% better performance in PassMark - CPU mark: 1879 vs 1295

Specifications (specs)
Number of cores	3 vs 2
L1 cache	128 KB (per core) vs 256 KB
L2 cache	512 KB (per core) vs 1 MB
Benchmarks
PassMark - Single thread mark	1332 vs 878
PassMark - CPU mark	1879 vs 1295

Compare benchmarks

CPU 1: AMD Athlon X2 450
CPU 2: AMD Athlon II X3 455

PassMark - Single thread mark

CPU 1

CPU 2

878

1332

PassMark - CPU mark

CPU 1

CPU 2

1295

1879

Name	AMD Athlon X2 450	AMD Athlon II X3 455
PassMark - Single thread mark	878	1332
PassMark - CPU mark	1295	1879
Geekbench 4 - Single Core		384
Geekbench 4 - Multi-Core		999

Compare specifications (specs)

	AMD Athlon X2 450	AMD Athlon II X3 455
Essentials
Architecture codename	Kaveri	Rana
Launch date	31 Jul 2014	December 2010
Place in performance rating	2430	2419
Launch price (MSRP)		$88
Price now		$38.99
Value for money (0-100)		20.92
Vertical segment		Desktop
Performance
Base frequency	3.5 GHz
Die size	245 mm²	169 mm
L1 cache	256 KB	128 KB (per core)
L2 cache	1 MB	512 KB (per core)
Manufacturing process technology	28 nm	45 nm
Maximum case temperature (TCase)	72 °C
Maximum frequency	3.9 GHz	3.3 GHz
Number of cores	2	3
Number of threads	2
Transistor count	2411 million	300 million
Unlocked
64 bit support
Memory
ECC memory support
Max memory channels	2
Supported memory frequency	1866 MHz
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM2+	AM3
Thermal Design Power (TDP)	65 Watt	95 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
Advanced Technologies
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)