AMD Phenom II X4 X940 BE
The AMD Phenom II Black Edition Quad-Core X940 or Phenom II X4 X940 BE is the fastest version of the Phenom II X4 for laptops (in Q1 2011) and features an unlocked multiplier for easy overclocking. With 45W TDP the AMD CPU needs as much power as the Core i7 quad cores but due to the missing level 3 cache and Turbo Boost, the performance should be worse. Compared to the desktop CPUs, the mobile Phenom II X4 is similar to a Athlon II X4 and produced in 45nm SOI.
The performance of the 100MHz slower predecessor Phenom II X920 differs from benchmark to benchmark. If only one core is used, the AMD quad core processor is only on par with a slow 2 GHz Core 2 Duo (e.g. Cinebench R10 Single). The old single threaded SuperPi benchmark is traditionally for AMD even worst on a level of a 1.4 GHz Core 2 Duo. However, if all four cores are used, the performance scores are in regions of the fast dual cores Core i5-540M to i7-640M (Cinebench R10 Multi, wPrieme 2, CB 11.5). The slowest Core i7 quad core (720QM) is still in every benchmark faster than the AMD CPU.
The Phenom II includes an integrated memory controller for DDR3 (max. 1333) main memory. It supports MMX, 3DNow!, SSE, SSE2, SSE3, SSE4A.
|Series||AMD Phenom II X4|
|Series: Phenom II X4 Champlain|
|Clock Rate||2400 MHz|
|Front Side Bus||3600|
|Level 1 Cache||256 KB|
|Level 2 Cache||2 MB|
|Number of Cores / Threads||4 / 4|
|Power Consumption (TDP = Thermal Design Power)||45 Watt|
|Manufacturing Technology||45 nm|
|Features||integrated DDR3-1333 memory controller, HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplier|
|64 Bit||64 Bit support|
|Product Link (external)||AMD Phenom II X4 X940 BE|
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
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