AMD Turion II Ultra M640 vs AMD Turion 64 X2 TL-66

Comparative analysis of AMD Turion II Ultra M640 and AMD Turion 64 X2 TL-66 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Turion II Ultra M640

AMD Turion 64 X2 TL-66

Differences

Reasons to consider the AMD Turion II Ultra M640

CPU is newer: launch date 2 year(s) 4 month(s) later
Around 13% higher clock speed: 2.6 GHz vs 2.3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 27% better performance in PassMark - Single thread mark: 1067 vs 842
Around 44% better performance in PassMark - CPU mark: 1034 vs 716

Specifications (specs)
Launch date	10 September 2009 vs 13 April 2007
Maximum frequency	2.6 GHz vs 2.3 GHz
Manufacturing process technology	45 nm vs 65 nm
L2 cache	2048 KB vs 1024 KB
Benchmarks
PassMark - Single thread mark	1067 vs 842
PassMark - CPU mark	1034 vs 716

Compare benchmarks

CPU 1: AMD Turion II Ultra M640
CPU 2: AMD Turion 64 X2 TL-66

PassMark - Single thread mark

CPU 1

CPU 2

1067

842

PassMark - CPU mark

CPU 1

CPU 2

1034

716

Name	AMD Turion II Ultra M640	AMD Turion 64 X2 TL-66
PassMark - Single thread mark	1067	842
PassMark - CPU mark	1034	716
Geekbench 4 - Single Core		1113
Geekbench 4 - Multi-Core		1932

Compare specifications (specs)

	AMD Turion II Ultra M640	AMD Turion 64 X2 TL-66
Essentials
Architecture codename	Caspian	Brisbane
Launch date	10 September 2009	13 April 2007
Place in performance rating	2228	2258
Series	AMD Turion II Ultra	2x AMD Turion 64
Vertical segment	Laptop	Laptop
Performance
64 bit support
Front-side bus (FSB)	3600 MHz	800 MHz
L2 cache	2048 KB	1024 KB
Manufacturing process technology	45 nm	65 nm
Maximum frequency	2.6 GHz	2.3 GHz
Number of cores	2	2
Number of threads	2	2
Compatibility
Sockets supported	Socket S1 (s1g3) 638-pin
Thermal Design Power (TDP)	35 Watt	35 Watt
Advanced Technologies
PowerNow