AMD Athlon II X4 651 vs AMD Sempron 140

Comparative analysis of AMD Athlon II X4 651 and AMD Sempron 140 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 140

Differences

Reasons to consider the AMD Athlon II X4 651

CPU is newer: launch date 2 year(s) 4 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 11% higher clock speed: 3 GHz vs 2.7 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 22% better performance in PassMark - Single thread mark: 1271 vs 1038
5x better performance in PassMark - CPU mark: 2443 vs 492
Around 22% better performance in Geekbench 4 - Single Core: 396 vs 324
4.1x better performance in Geekbench 4 - Multi-Core: 1335 vs 328

Specifications (specs)
Launch date	November 2011 vs July 2009
Number of cores	4 vs 1
Maximum frequency	3 GHz vs 2.7 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 1038
PassMark - CPU mark	2443 vs 492
Geekbench 4 - Single Core	396 vs 324
Geekbench 4 - Multi-Core	1335 vs 328

Reasons to consider the AMD Sempron 140

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 140

PassMark - Single thread mark

CPU 1

CPU 2

1271

1038

PassMark - CPU mark

CPU 1

CPU 2

2443

492

Geekbench 4 - Single Core

CPU 1

CPU 2

396

324

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1335

328

Name	AMD Athlon II X4 651	AMD Sempron 140
PassMark - Single thread mark	1271	1038
PassMark - CPU mark	2443	492
Geekbench 4 - Single Core	396	324
Geekbench 4 - Multi-Core	1335	328
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 140
Essentials
Architecture codename	Llano	Sargas
Launch date	November 2011	July 2009
Place in performance rating	2736	2741
Price now	$178.04	$39.59
Value for money (0-100)	5.93	5.46
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$40
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	2.7 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™)