AMD Turion II Ultra M640: specs and benchmarks

Summary

AMD started Turion II Ultra M640 sales 10 September 2009. This is a Caspian architecture notebook processor primarily aimed at home systems. It has 2 cores and 2 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 2600 MHz and a locked multiplier.

Compatibility-wise, this is Socket S1 (s1g3) 638-Pin processor with a TDP of 35 Watt. It supports DDR2 memory.

Primary details

Turion II Ultra M640 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	not rated
Place by popularity	not in top-100
Market segment	Laptop
Series	AMD Turion II Ultra
Architecture codename	Caspian (2009)
Release date	10 September 2009 (15 years ago)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	2 (Dual-core)
Threads	2
Boost clock speed	2.6 GHz	of 6.2 GHz (Core i9-14900KS)
Bus rate	3600 MHz
L2 cache	2 MB	of 2 MB (Xeon 6980P)
Chip lithography	45 nm	of 3 nm (Core Ultra 9 285K)
64 bit support	+
Windows 11 compatibility	-

Compatibility

Information on Turion II Ultra M640 compatibility with other computer components and devices: 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.

Socket	Socket S1 (s1g3) 638-pin
Power consumption (TDP)	35 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

Technological capabilities and additional instructions supported by Turion II Ultra M640. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow	+

Memory specs

Types, maximum amount and channel number of RAM supported by Turion II Ultra M640's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types

DDR2

Benchmark performance

Single-core and multi-core benchmark results of Turion II Ultra M640. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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