AMD Athlon II X4 651 vs AMD Sempron 145

Comparative analysis of AMD Athlon II X4 651 and AMD Sempron 145 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Athlon II X4 651

AMD Sempron 145

Differences

Reasons to consider the AMD Athlon II X4 651

CPU is newer: launch date 1 year(s) 2 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 7% higher clock speed: 3 GHz vs 2.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 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 23% better performance in PassMark - Single thread mark: 1271 vs 1033
4.6x better performance in PassMark - CPU mark: 2443 vs 532
Around 22% better performance in Geekbench 4 - Single Core: 396 vs 325
4.2x better performance in Geekbench 4 - Multi-Core: 1335 vs 317

Specifications (specs)
Launch date	November 2011 vs September 2010
Number of cores	4 vs 1
Maximum frequency	3 GHz vs 2.8 GHz
Manufacturing process technology	32 nm vs 45 nm
L1 cache	128 KB (per core) vs 128 KB (per core)
L2 cache	1024 KB (per core) vs 1024 KB (per core)
Benchmarks
PassMark - Single thread mark	1271 vs 1033
PassMark - CPU mark	2443 vs 532
Geekbench 4 - Single Core	396 vs 325
Geekbench 4 - Multi-Core	1335 vs 317

Reasons to consider the AMD Sempron 145

2.2x lower typical power consumption: 45 Watt vs 100 Watt

Thermal Design Power (TDP)	45 Watt vs 100 Watt

Compare benchmarks

CPU 1: AMD Athlon II X4 651
CPU 2: AMD Sempron 145

PassMark - Single thread mark

CPU 1

CPU 2

1271

1033

PassMark - CPU mark

CPU 1

CPU 2

2443

532

Geekbench 4 - Single Core

CPU 1

CPU 2

396

325

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1335

317

Name	AMD Athlon II X4 651	AMD Sempron 145
PassMark - Single thread mark	1271	1033
PassMark - CPU mark	2443	532
Geekbench 4 - Single Core	396	325
Geekbench 4 - Multi-Core	1335	317
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.042
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.69

Compare specifications (specs)

	AMD Athlon II X4 651	AMD Sempron 145
Essentials
Architecture codename	Llano	Sargas
Launch date	November 2011	September 2010
Place in performance rating	2736	2739
Price now	$178.04	$16.98
Value for money (0-100)	5.93	14.02
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$95
Performance
64 bit support
Die size	228 mm	117 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	1024 KB (per core)	1024 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum frequency	3 GHz	2.8 GHz
Number of cores	4	1
Transistor count	1178 million	234 million
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1	AM3
Thermal Design Power (TDP)	100 Watt	45 Watt
Virtualization
AMD Virtualization (AMD-V™)