AMD Athlon II X2 255 vs AMD Phenom X3 8450e

Comparative analysis of AMD Athlon II X2 255 and AMD Phenom X3 8450e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Athlon II X2 255

AMD Phenom X3 8450e

Differences

Reasons to consider the AMD Athlon II X2 255

CPU is newer: launch date 1 year(s) 4 month(s) later
Around 48% higher clock speed: 3.1 GHz vs 2.1 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 44% lower typical power consumption: 45 Watt vs 65 Watt
Around 50% better performance in PassMark - Single thread mark: 1238 vs 824

Specifications (specs)
Launch date	January 2010 vs September 2008
Maximum frequency	3.1 GHz vs 2.1 GHz
Manufacturing process technology	45 nm vs 65 nm
L2 cache	2 MB vs 512 KB (per core)
Thermal Design Power (TDP)	45 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	1238 vs 824
PassMark - CPU mark	1208 vs 1206

Reasons to consider the AMD Phenom X3 8450e

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

Number of cores	3 vs 2
L1 cache	128 KB (per core) vs 256 KB

Compare benchmarks

CPU 1: AMD Athlon II X2 255
CPU 2: AMD Phenom X3 8450e

PassMark - Single thread mark

CPU 1

CPU 2

1238

824

PassMark - CPU mark

CPU 1

CPU 2

1208

1206

Name	AMD Athlon II X2 255	AMD Phenom X3 8450e
PassMark - Single thread mark	1238	824
PassMark - CPU mark	1208	1206
Geekbench 4 - Single Core	353
Geekbench 4 - Multi-Core	660

Compare specifications (specs)

	AMD Athlon II X2 255	AMD Phenom X3 8450e
Essentials
Architecture codename	Regor	Toliman
Family	AMD Athlon Processors
Launch date	January 2010	September 2008
Launch price (MSRP)	$60
OPN PIB	AD255EHDGMBOX
OPN Tray	AD255EHDK23GM
Place in performance rating	2546	2529
Price now	$65.22
Series	AMD Athlon II X2
Value for money (0-100)	8.34
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.1 GHz
Die size	117 mm	285 mm
L1 cache	256 KB	128 KB (per core)
L2 cache	2 MB	512 KB (per core)
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	72°C
Maximum frequency	3.1 GHz	2.1 GHz
Number of cores	2	3
Number of threads	2
Transistor count	410 million	450 million
Unlocked
L3 cache		2048 KB (shared)
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM2+
Thermal Design Power (TDP)	45 Watt	65 Watt
Virtualization
AMD Virtualization (AMD-V™)