Mobile Athlon 64 3700+ vs Turion II Ultra M640

Primary details

Comparing Turion II Ultra M640 and Mobile Athlon 64 3700+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Turion II UltraMobile Athlon 64
Architecture codenameCaspian (2009)Clawhammer (2001−2005)
Release date10 September 2009 (15 years ago)August 2005 (19 years ago)

Detailed specifications

Turion II Ultra M640 and Mobile Athlon 64 3700+ basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)1 (Single-Core)
Threads21
Boost clock speed2.6 GHz2.4 GHz
Bus rate3600 MHz800 MHz
L1 cacheno data128K
L2 cache2 MB1 MB
Chip lithography45 nmno data
Die sizeno data193 mm2
Number of transistorsno data106 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Turion II Ultra M640 and Mobile Athlon 64 3700+ compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configurationno data1
SocketSocket S1 (s1g3) 638-pin754
Power consumption (TDP)35 Watt81 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Turion II Ultra M640 and Mobile Athlon 64 3700+. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualizationno data
PowerNow+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M640 and Mobile Athlon 64 3700+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR1

Pros & cons summary


Physical cores 2 1
Threads 2 1
Power consumption (TDP) 35 Watt 81 Watt

Turion II Ultra M640 has 100% more physical cores and 100% more threads, and 131.4% lower power consumption.

We couldn't decide between Turion II Ultra M640 and Mobile Athlon 64 3700+. We've got no test results to judge.


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AMD Turion II Ultra M640
Turion II Ultra M640
AMD Mobile Athlon 64 3700+
Mobile Athlon 64 3700+

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