AMD Athlon II X4 651 vs AMD Phenom II X6 1100T BE

Comparative analysis of AMD Athlon II X4 651 and AMD Phenom II X6 1100T BE 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), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), 3DMark Fire Strike - Physics Score.

AMD Athlon II X4 651

AMD Phenom II X6 1100T BE

Differences

Reasons to consider the AMD Athlon II X4 651

CPU is newer: launch date 11 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 25% lower typical power consumption: 100 Watt vs 125 Watt

Launch date	November 2011 vs December 2010
Manufacturing process technology	32 nm vs 45 nm
L2 cache	1024 KB (per core) vs 512 KB (per core)
Thermal Design Power (TDP)	100 Watt vs 125 Watt

Reasons to consider the AMD Phenom II X6 1100T BE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 6 vs 4
Around 10% higher clock speed: 3.3 GHz vs 3 GHz
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 17% better performance in PassMark - Single thread mark: 1500 vs 1287
Around 55% better performance in PassMark - CPU mark: 3864 vs 2500
Around 29% better performance in Geekbench 4 - Single Core: 509 vs 396
Around 67% better performance in Geekbench 4 - Multi-Core: 2230 vs 1335
Around 55% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.711 vs 3.042
Around 40% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.182 vs 3.69

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	6 vs 4
Maximum frequency	3.3 GHz vs 3 GHz
L1 cache	128 KB (per core) vs 128 KB (per core)
Benchmarks
PassMark - Single thread mark	1500 vs 1287
PassMark - CPU mark	3864 vs 2500
Geekbench 4 - Single Core	509 vs 396
Geekbench 4 - Multi-Core	2230 vs 1335
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.711 vs 3.042
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.182 vs 3.69

Compare benchmarks

CPU 1: AMD Athlon II X4 651
CPU 2: AMD Phenom II X6 1100T BE

PassMark - Single thread mark

CPU 1

CPU 2

1287

1500

PassMark - CPU mark

CPU 1

CPU 2

2500

3864

Geekbench 4 - Single Core

CPU 1

CPU 2

396

509

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1335

2230

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.042

4.711

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.69

5.182

Name	AMD Athlon II X4 651	AMD Phenom II X6 1100T BE
PassMark - Single thread mark	1287	1500
PassMark - CPU mark	2500	3864
Geekbench 4 - Single Core	396	509
Geekbench 4 - Multi-Core	1335	2230
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.042	4.711
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.69	5.182
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		16.192
3DMark Fire Strike - Physics Score		0

Compare specifications (specs)

	AMD Athlon II X4 651	AMD Phenom II X6 1100T BE
Essentials
Architecture codename	Llano	Thuban
Launch date	November 2011	December 2010
Place in performance rating	2708	2713
Price now	$178.04
Value for money (0-100)	5.93
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	228 mm	346 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	1024 KB (per core)	512 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum frequency	3 GHz	3.3 GHz
Number of cores	4	6
Transistor count	1178 million	904 million
L3 cache		6144 KB (shared)
Unlocked
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	125 Watt
Virtualization
AMD Virtualization (AMD-V™)