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Intel Xeon

Xeon Processor E5640

The Intel Xeon Processor E5640 has 4 cores that run at a clock speed of 2.7GHz.

It has an L3 cache size of 12MB, an L2 cache size of 1024KB, and an L1 cache size of 128KB.


Intel Xeon Processor E5640

Cores4More cores means more threads and therefore more processes can be run simultaneously
Speed2.67GHzClock frequency indicates processor speed, but is only reliable in comparisons between CPUs of the same family
CodenameWestmere-EPThe code name given by the manufacturers
Release Date16 Mar 2010 The more recent the release, the more likely the CPU will receive up-to-date manufacturer support
TDP80WThe lower the TDP, the less power the CPU requires to run and thus the more efficient it is and the less heat it creates
L1 Cache128KBThe bigger the L1 cache, the more data can be stored for lightning CPU access to priority processes (though a bigger cache means a higher latency
L2 Cache1024KBAfter L1 cache, L2 is utilized for slower (but still very fast) data access
L3 Cache12MBThe L3 cache is the largest CPU cache, but still provides very quick access to data
Lithography32nmThe smaller the lithographic technology used, the less power is required to run the CPU, and the less heat is created during intense use
CPU SocketLGA 1366/Socket BThe motherboard socket and CPU socket should match to indicate the CPU is compatible with the motherboard and will fit into it
Unlocked MultipliernoAn unlocked clock multiplier means you can adjust the multiplier for an overclocking speed boost

Xeon Processor E5640 compatibility review

Overall, the Intel Xeon Processor E5640 has very good performance. Its 4 cores clocked at 2.67 GHz provide competent processing speeds and allow multiple processes to be run simultaneously.

The CPU is now over 11 years old, which means it is extremely out of date and is based on very aged technologies. This processor will be dwarfed in performance by its modern counterparts, and will likely have very little support from Intel.

Created with lithographic technology sized at 32 nanometers, the Xeon Processor E5640 is quite efficiently built, and with a Thermal Design Power of 80W the amount of power necessary to run is not excessive.

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  • World of Warcraft
    Call of Duty
    Resident Evil 5
    The Elder Scrolls V
    Grand Theft Auto: San Andreas
    Dead Space II
  • The Witcher II
    Command & Conquer: Red Alert 3
    Need for Speed: The Run
    Need for Speed: Undercover
    Battlefield Bad Company 2
    Deus Ex 3
  • Driver: Parallel Lines
    Modern Warfare 3
    Grand Theft Auto IV
    Crysis 2
    The Sims Medieval: Pirates and Nobles
    Medal of Honor
  • Saints Row 3
    Super Street Fighter IV: Arcade Edition
    Left 4 Dead 2
    Mafia 2
    Grand Theft Auto IV
    Killing Floor
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Xeon Processor E5640 Predicted Frames per second

Game name Frames per second
Grand Theft Auto V 46
Minecraft 135
Grand Theft Auto IV 34
Battlefield 3 44
Battlefield 4 52
The Elder Scrolls V 45
Far Cry 3 39
Far Cry 4 42
Crysis 3 36
Call of Duty: Black Ops 2 43
Max Payne 3 46
Assassins Creed 4 Black Flag 26
Call of Duty: Ghosts 51
Modern Warfare 3 52
Assassins Creed 3 32
Dying Light 38
Fifa 14 60
Tomb Raider 56
Assassins Creed 85
Batman: Arkham Origins 59
Metal Gear Solid V: The Phantom Pain 30
Medium FPS

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