Review Acer Aspire 5742G Notebook (GT 540M)
Intel Core i5-450M | NVIDIA GeForce GT 540M | 15.60" | 2.5 kg
The Intel Core i5-450M is a dual-core laptop CPU and clocks (due to Turbo Boost) with max. 2.4 - 2.66 GHz. Both cores are based on the Nehalem (Westmere) micro-architecture and due to Hyperthreading the processor is able to work with 4 threads simultaneously. The performance of the i5 is in the mid-range. The i5-450M is similar to the Core i5-520M, but the 450M does not offer AES functions.
A feature of the new Core i5-450M is the integrated graphics card called GMA HD and memory controller. Both are on a separate die that is still manufactured in 45nm whereas the CPU die is already manufactured in the new 32nm process.
The performance of the i5 450M is on average faster than a Core 2 Duo T9500 and due to the Turbo Boost, single threaded applications run even better. Therefore, the Core i5-520M is as fast as high clocked Core 2 Duo CPUs and should handle most gaming and multimedia tasks well.
The integrated Intel Graphics Media Accelerator HD (GMA HD) graphics card is known to be clocked up to 500-766 MHz and should be clearly faster than the old GMA 4500MHD. A GeForce 9400M (ION) should still be a faster (especially as Nvidia and ATI cards have a better driver support than Intel up to now). According to rumors, the GMA core will also use the Turbo Mode regulate the clock speed.
The power consumption of 35 Watt TDP (max.) counts for the whole package and therefore it is clearly better than the 35 Watt TDP of the Core 2 Duo T-series (CPU alone). Due to the Turbo Boost, the Core i5 more likely uses the TDP under load than the older Core 2 Duo CPUs. Without any load, the i5 uses noticable less power.
Series | Intel Core i5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Codename | Arrandale | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Series: Core i5 Arrandale
| |||||||||||||||||||||||||||||||||||||||||||||||||||||
Clock Rate | 2400 - 2660 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Front Side Bus | 2500 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 1 Cache | 128 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 2 Cache | 512 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 3 Cache | 3 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Number of Cores / Threads | 2 / 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Power Consumption (TDP = Thermal Design Power) | 35 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Transistor Count | 382+177 Million | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Manufacturing Technology | 32 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Die Size | 81+114 mm2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Max. Temperature | 105 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Socket | PGA988 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Features | HD Graphics (500-766MHz), DDR3-800/1066 Memory Controller (max. 8 GB), Turbo Boost, Hyper-Threading, Virtualization VT-x, Intel 64, Idle States, Enhanced Speedstep, Execute Disable Bit, MMX, SSE (1, 2, 3, 3S, 4.1, 4.2) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
64 Bit | 64 Bit support | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Architecture | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Announcement Date | 06/01/2010 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Product Link (external) | Intel Core i5 450M |
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