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MagyarIntel Core 2 Duo T9550 vs Intel Core 2 Extreme X9100 vs Intel Core 2 Duo P8800
Intel Core 2 Duo T9550
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The Intel Core 2 Duo T9550 was the middle class dual core CPU for laptops at the time of introduction. It is similar to the Core 2 Duo P9600 except for the higher TDP of 35 versus 25 Watt.
Due to the relatively high clock speed and 6MB Level 2 cache, the T9550 offers enough performance for demanding games (in 2009) and applications.
The T9550 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.
The integrated Enhanced Speedstep is able to downclock the core dynamically to save power (in idle mode).
Intel Core 2 Extreme X9100
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The Intel Core 2 Extreme X9100 is the fastest dual-core CPU of the Core 2 series for laptops. As all Core 2 Extreme CPUs it offers an unlocked multiplicator and is therefore easy to overclock (usually in the BIOS). The X9100 was later substituted by the Core 2 Duo T9900 with the same clock rate but a cheaper price tag. The T9900 offers a better TDP of 35 Watt but has a fixed multiplicator (only drawback). Futhermore, the T9900 offers some newer features as Turbo Boost and C1E state.
Due to the high clock rate of 3 GHz, the Core 2 Extreme X9100 offers enough performance for all games and applications in 2009 and possibly also 2010. In most applications (escpecially most games), it is faster than the low clocked Core 2 Quad CPUs (like Q9000, QX9300). Modern Core i7 CPUs with high Turbo frequencies are the only CPUs that are faster than the X9100 on average.
The X9100 uses a Penryn core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.
The integrated Enhanced Speedstep is able to downclock the core dynamically as low as 800 MHz to save power (in idle mode).
The Core 2 Duo X9100 can be used in a Socket P socket with 479 pins.
Intel Core 2 Duo P8800
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The Intel Core 2 Duo P8800 is a dual core processor for laptops. It features 2.66 GHz and a shared level 2 cache of 3 MB. Due to the smaller cache (Core 2 Duo T-Models got usually 6 MB at this clock rate), the TDP is only 25 Watt (instead of the 35 Watt of the T-models).
Due to the relatively high clock speed, modern games (in 2009) should not be limited by the CPU speed (in conjunction with a middle class graphics card). High end gamers should choose a higher clocked Dual Core instead (when using a high end GPU).
The P8800 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.
The integrated Enhanced Speedstep is able to downclock the core dynamically as low as 1200 MHz to save power (in idle mode).
The Core 2 Duo P8800 can be used in a Socket P socket with 479 pins: Socket P / Micro Flip-Chip Pin Grid Array (Micro-FCPGA) requires 479-pin surface mount Zero Insertion Force (ZIF) socket (mPGA479M socket) or Micro Flip-Chip Ball Grid Array (Micro-FCBGA) for surface mount (479-ball)
| Model | Intel Core 2 Duo T9550 | Intel Core 2 Extreme X9100 | Intel Core 2 Duo P8800 | ||||||||||||
| Series | Intel Core 2 Duo | Intel Core 2 Extreme | Intel Core 2 Duo | ||||||||||||
| Codename | Penryn | Penryn | Penryn | ||||||||||||
| Series: Core 2 Duo Penryn |
| ||||||||||||||
| Clock | 2660 MHz | 3060 MHz | 2660 MHz | ||||||||||||
| FSB | 1066 | 1066 | 1066 | ||||||||||||
| L1 Cache | 128 KB | 128 KB | 128 KB | ||||||||||||
| L2 Cache | 6 MB | 6 MB | 3 MB | ||||||||||||
| Cores / Threads | 2 / 2 | 2 / 2 | 2 / 2 | ||||||||||||
| TDP | 35 Watt | 44 Watt | 25 Watt | ||||||||||||
| Transistors | 410 Million | 410 Million | 410 Million | ||||||||||||
| 45 nm, 1.05-1.212V | 45 nm | 45 nm, 1.00V-1.25V | |||||||||||||
| Die Size | 107 mm2 | 107 mm2 | 107 mm2 | ||||||||||||
| max. Temp. | 105 °C | 105 °C | 105 °C | ||||||||||||
| Socket | BGA479, PGA478 | Socket P | BGA479, PGA478 | ||||||||||||
| Features | Virtualization, Trusted Execution, Intel 64, Enhanced Speedstep (up to C6), ExBit, SSE4.1 | SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, 64 Bit, Trusted Execution Technology | SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, Ehnaced Halt State (C1E), 64 Bit, Trusted Execution Technology | ||||||||||||
| Architecture | x86 | x86 | x86 | ||||||||||||
| $316 U.S. | $851 U.S. | $241 U.S. | |||||||||||||
| Announced | |||||||||||||||
| Manufacturer | ark.intel.com | ark.intel.com | ark.intel.com |
- Average benchmark values for this graphics card