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Item#: N82E16819111008

Intel Core 2 Duo T9400 2.53GHz 6MB L2 Cache Socket P 35W Dual-Core Processor Model BX80576T9400

  • 1066MHz FSB
  • 45 nm
  • 6MB L2 Cache
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Prepare yourself for a new level of laptop productivity with the T9400. Offering two cores and 2.53GHz of raw computing power, this CPU is the perfect solution for work or play on-the-go. The 45nm Hafnium-based T9400 features superb physical construction for higher performance and dual-core processors that require less power. The processor also offers an optimized FSB (up to 1066MHz) for better responsiveness that demanding applications require.

Heat and noise are always a concern for any laptop user. That’s why the T9400 is designed to be thinner, cooler and quieter, reducing slowdown and keeping you focused. The processor also uses Intel SpeedStep Technology, which allows software to change the clock speed on demand, ensuring that power is drawn when it’s needed and reduced when it’s not. The result is faster computing with minimal heat output.

Spend less time working and more time accomplishing with several Intel innovations built into the CPU. Virtualization Technology allows you to run multiple environments on one machine. Deep Power Down minimizes power to both cores and L2 cache when idle, extending battery life. Trusted Execution Technology helps protect your system from software-based attacks so you can work or play confidently. Make the smart upgrade to the T9400 today!

  • newegg Specialized Dual-core Microarchitecture The Intel Core 2 Duo processor includes two execution cores in a single physical package to enable execution of parallel threads or applications on separate cores with dedicated CPU resources. The results enable outstanding dual-core performance and greater system response when running multi-threaded or multiple demanding applications simultaneously. The innovative 45nm dual-core technology optimizes thermal performance for reduced power consumption and noise.
  • newegg Intel Centrino 2 Duo Mobile Technology Intel Centrino 2 Duo mobile technology has just gotten a mobility upgrade with the new Intel Core 2 Duo mobile processor. Its advanced capabilities provide twice the multitasking performance with improved energy efficiency for enhanced battery life so you get the benefits of a powerful dual-core PC plus all the benefits of mobility.
  • newegg Intel Extended Memory 64 Technology (Intel EM64T) Intel EM64T provides an enhancement to Intel 32-bit architecture by enabling the mobile processor platform to access larger amounts of memory. With appropriate 64-bit supporting hardware and software, platforms based on an Intel processor supporting Intel EM64T can enable use of extended virtual and physical memory.
  • newegg Enhanced Intel SpeedStep Technology (EIST) EIST allows the system to dynamically adjust processor voltage and core frequency to decrease average power consumption and average heat production. Combined with existing power saving features, EIST may provide an excellent balance between providing power when you need it and conserving power when you don’t.
  • newegg Execute Disable Bit (EDB) Intel's Execute Disable Bit function can prevent certain classes of malicious "buffer overflow" attacks when combined with a supporting operating system. Execute Disable Bit allows the processor to classify areas in memory where application code can execute and where it cannot. When a malicious worm attempts to insert code in the buffer, the processor disables code execution, preventing damage or worm propagation.
  • newegg Intel Virtualization Technology (Intel VT) With Intel VT, one hardware platform functions as multiple "virtual" platforms. For business, Intel VT offers improved manageability, limiting downtime and maintaining worker productivity by isolating computing activities into separate partitions. In the home, Intel VT allows creating unique user environments for multiple family members using the same platform simultaneously.

Learn more about Core 2 Duo T9400


Core 2 Duo

CPU Socket Type

CPU Socket Type
Socket P

Tech Spec

Core 2 Duo T9400
Operating Frequency
L2 Cache
Manufacturing Tech
45 nm
64-Bit Support
Multimedia Instruction
Thermal Design Power

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of Core 2 Duo T9400

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  • Anonymous
  • 8/7/2010 2:43:15 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsASUS U81A

Pros: Processor is .43 GHz more powerful than the original processor and had 3 times the L2 cache and a 266MHz faster Front side bus.

Cons: Not as impressive an upgrade as I was hoping

Other Thoughts: The processor worked right away, plug-n-play, ASUS puts their CPU socket right under the laptops bottom plate so instillation was a breeze. Though no real speed boost when starting I can tell that the computer is a little snappier when opening processes and does not get hit as hard by processes. Great processor if you have an ASUS U81A

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  • Edgar C.
  • 9/8/2009 8:32:27 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsIncompartible with dv9740us

Pros: According to research, is a fast CPU for the money.

Cons: Not compartible with HP dv9740us, or the "461069-001" motherboard from HP :(

Other Thoughts: HP cannot give accurate information on their own mobo, making me buy this and then to just not be compatible with my laptop...

1 out of 1 people found this review helpful. Did you? Yes No

  • Gerald J.
  • 7/15/2009 7:35:24 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsT9500 w/ 800FSB

Pros: This CPU is a very nice upgrade BUT. Does not work on P965 chipsets (800fsb only supported) - I upgraded My Lappie Tosh Satellite P305-S8820 w/ T9500 and I'm happy to say that it works very nice in deed. Runs cooler and boost faster. Games looks better (like 4 to 6 extra FPS).

Cons: Need to upgrade the BIOS to ver. 420. The Toshiba customer serv rep told me that this CPU (T9500) was not compatible AT ALL with my Laptop when it DOES. They (Tosh tech dep.) needs more training of something...

Other Thoughts: The GPU performance improved a little bit but is well worth it, the Lappie boots much faster now. Newegg does not sell the T9500 CPU - just the T9300.

2 out of 4 people found this review helpful. Did you? Yes No

  • clint f.
  • 5/27/2009 3:24:06 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year

5 out of 5 eggsyam-es poe

Pros: very fast cpu, compares well with cache to my quad core. very fast. play all my games and i say is very reasonably priced. My M17 handles everything well with it I would say any person should have this processor minimum, or better. games are changing so much that the cpu speed gets higher and higher. this chip is a good investment to make if you want it to last 2 to 3 years.

Cons: All hail the yam-es poe and firebombslayer

1 out of 4 people found this review helpful. Did you? Yes No

  • Casey C.
  • 8/12/2008 4:45:59 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsWOOT

Pros: New 45nm technology brought to the notebook platform, outstanding performance. If your getting tired of having all the proper specs to run applications such as games but your laptop still lags, then this processor is something to think about because im running Cod4 , WoW, CS Source, etc all on high no lag on my HP DV7T. Great usage of battery power and blazing hot speeds.

Cons: Price, but it came with my laptop.

Other Thoughts: Like the previous post, wait for the price to come down, But its definitly worth the wait.

2 out of 8 people found this review helpful. Did you? Yes No

  • Anonymous
  • 8/9/2008 4:11:24 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGREAT CHIP!

Pros: Very good energy efficent chip with large L2 Cache.

Cons: None

Other Thoughts: You might want to wait until the price comes down but it came equipped in my laptop. :)

2 out of 5 people found this review helpful. Did you? Yes No

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Processors - Mobile > 
Intel > 
Item#: N82E16819111008
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