AMD Athlon II X4 645 vs AMD Athlon 64 3400+

Comparative analysis of AMD Athlon II X4 645 and AMD Athlon 64 3400+ 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s).

AMD Athlon II X4 645

AMD Athlon 64 3400+

Differences

Reasons to consider the AMD Athlon II X4 645

CPU is newer: launch date 9 year(s) 8 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 29% higher clock speed: 3.1 GHz vs 2.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
4x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 93% better performance in PassMark - Single thread mark: 1256 vs 652
4.3x better performance in PassMark - CPU mark: 2348 vs 545

Specifications (specs)
Launch date	September 2010 vs January 2001
Number of cores	4 vs 1
Maximum frequency	3.1 GHz vs 2.4 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	128 KB (per core) vs 128 KB
L2 cache	512 KB (per core) vs 512 KB
Benchmarks
PassMark - Single thread mark	1256 vs 652
PassMark - CPU mark	2348 vs 545

Reasons to consider the AMD Athlon 64 3400+

Around 7% lower typical power consumption: 89 Watt vs 95 Watt

Thermal Design Power (TDP)	89 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD Athlon II X4 645
CPU 2: AMD Athlon 64 3400+

PassMark - Single thread mark

CPU 1

CPU 2

1256

652

PassMark - CPU mark

CPU 1

CPU 2

2348

545

Name	AMD Athlon II X4 645	AMD Athlon 64 3400+
PassMark - Single thread mark	1256	652
PassMark - CPU mark	2348	545
Geekbench 4 - Single Core	375
Geekbench 4 - Multi-Core	1215
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.103
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.496

Compare specifications (specs)

	AMD Athlon II X4 645	AMD Athlon 64 3400+
Essentials
Architecture codename	Propus	Clawhammer
Launch date	September 2010	January 2001
Launch price (MSRP)	$80
Place in performance rating	2780	2772
Price now	$49.99
Value for money (0-100)	20.48
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	169 mm	193 mm
L1 cache	128 KB (per core)	128 KB
L2 cache	512 KB (per core)	512 KB
Manufacturing process technology	45 nm	130 nm
Maximum frequency	3.1 GHz	2.4 GHz
Number of cores	4	1
Transistor count	300 million	105 million
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	754
Thermal Design Power (TDP)	95 Watt	89 Watt