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MagyarIntel Core 2 Duo T9400 vs Intel Core 2 Duo P8700
Intel Core 2 Duo T9400
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The Intel Core 2 Duo T9400 was a uppder middle class dual core CPU for laptops, at the time of introduction. It is similar to the Core 2 Duo P9500 except for the higher TDP of 35 versus 25 Watt).
Due to the relatively high clock speed and 6MB Level 2 cache, the T9400 offers enough performance for most demanding games (in 2009) and applications.
The T9400 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 Duo P8700
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The Intel Core 2 Duo P8700 is a mid-range dual core processor for laptops. It features 2.53 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). Technically, the P8700 is a slower clocked P8800 CPU.
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 P8700 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).
| Model | Intel Core 2 Duo T9400 | Intel Core 2 Duo P8700 |
| Series | Intel Core 2 Duo | Intel Core 2 Duo |
| Codename | Penryn | Penryn |
| Series: Core 2 Duo Penryn | ||
| Clock | 2530 MHz | 2530 MHz |
| FSB | 1066 | 1066 |
| L1 Cache | 128 KB | |
| L2 Cache | 6 MB | 3 MB |
| Cores / Threads | 2 / 2 | 2 / 2 |
| TDP | 35 Watt | 25 Watt |
| Transistors | 410 Million | 410 Million |
| 45 nm, 1.050V-1.162V | 45 nm, 1.00V - 1.25V | |
| Die Size | 107 mm2 | 107 mm2 |
| max. Temp. | 105 °C | 105 °C |
| Socket | BGA479, PGA478 | BGA479, PGA478 |
| Features | Virtualization Technology (VT-x), Trusted Execution, Intel 64, Enhanced Speedstep, Execute Disable Bit | SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, Ehnaced Halt State (C1E), 64 Bit, Trusted Execution Technology |
| Architecture | x86 | x86 |
| $316 U.S. | $209 U.S. | |
| Announced | ||
| Manufacturer | Intel Core 2 Duo T9400 | Intel Core 2 Duo P8700 |
- Average benchmark values for this graphics card