Turion II Ultra M640 vs Core 2 Duo T9900

Primary details

Comparing Core 2 Duo T9900 and Turion II Ultra M640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2636not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoAMD Turion II Ultra
Power efficiency2.03no data
Architecture codenamePenryn (2008−2011)Caspian (2009)
Release date2 June 2009 (15 years ago)10 September 2009 (15 years ago)
Launch price (MSRP)$530no data

Detailed specifications

Core 2 Duo T9900 and Turion II Ultra M640 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)2 (Dual-core)
Threads22
Base clock speed3.06 GHzno data
Boost clock speed0.07 GHz2.6 GHz
Bus rate1066 MHz3600 MHz
L1 cache64 KB (per core)no data
L2 cache6 MB (shared)2 MB
L3 cache6 MB L2 Cacheno data
Chip lithography45 nm45 nm
Die size107 mm2no data
Maximum core temperature105 °Cno data
Number of transistors410 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.2125Vno data

Compatibility

Information on Core 2 Duo T9900 and Turion II Ultra M640 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 configuration1no data
SocketBGA479,PGA478Socket S1 (s1g3) 638-pin
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and Turion II Ultra M640. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Demand Based Switching-no data

Security technologies

Core 2 Duo T9900 and Turion II Ultra M640 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9900 and Turion II Ultra M640 are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9900 and Turion II Ultra M640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2, DDR3DDR2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Pros & cons summary


Recency 2 June 2009 10 September 2009

Turion II Ultra M640 has an age advantage of 3 months.

We couldn't decide between Core 2 Duo T9900 and Turion II Ultra M640. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo T9900 and Turion II Ultra M640, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo T9900
Core 2 Duo T9900
AMD Turion II Ultra M640
Turion II Ultra M640

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 134 votes

Rate Core 2 Duo T9900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Turion II Ultra M640 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo T9900 or Turion II Ultra M640, agree or disagree with our judgements, or report an error or mismatch.