Intel Core i5-2410M vs Intel Core 2 Duo T9900 vs Intel Core 2 Duo P8400
Intel Core i5-2410M
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The Intel Core i5-2410M is a fast dual core processor at the time of introduction in Q1 2011. It is based on the Sandy Bridge architecture and offers Hyperthreading to handle 4 threads at once (for a better usage of the pipeline). Compared to the faster Core i7, the i5 offers a smaller last level cache of 3MB. The base clock speed is 2.3 GHz but due to Turbo Boost it can reach 2.6 GHz (2 cores active) and 2.9 GHz (1 core active). Compared to the 2510M, the 2410M does not support AES, VT-d, and Trusted Execution functions.
Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most noteable improvements is the improved Turbo 2.0 and the integration of the graphics card into the 32nm CPU core.
The i5-2410M offers an integrated graphics card (Intel HD Graphics 3000) which is clearly faster then the older Intel HD Graphics in the Arrandale CPUs. As the new GPU is included in the CPU, it is also manufactured in 32nm and shares the fast level 3 cache with the CPU cores (using a new ring bus). In the 2410M it is clocked from 650-1200MHz (with Turbo Boost). The faster Sandy Bridge CPUs are clocked up to 1300 MHz (like the i5-2520M).
Furthermore, an improved dual-channel DDR3 memory controller is included on the CPU die that is used by the CPU and GPU part.
Due to the improved architecture and the new Turbo Boost 2.0, the average performance of the Core i5-2410M is higher than a similar clocked Arrandale Core i5. In our benchmarks, the 2410M was able to beat the fast Intel Core i5-560M with 2.7-3.2GHz and is therefore suited for even demanding tasks.
The 35W TDP rating includes the integrated GPU and memory controller.
Intel Core 2 Duo T9900
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The Intel Core 2 Duo T9900 is the theoretical successor of the Core 2 Extreme X9100 (which also clocks at 3.06 GHz) that uses less power due to the modern stepping and the Enhanced Halt State (C1E). The only advantage of the X9100 is the free multiplikator (which allows easy overclocking of the CPU).
The T9900 is a fast dual core CPU for laptops which features 6 MB of shared level 2 cache and a TDP of 35 Watt. Due to the high clock speed, modern games (in 2009) should not be limited by the CPU speed. For single threaded applications it is one of the fastest CPUs for laptops (only beaten by the new Core i7 with enabled Turbo mode).
The T9900 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 800 MHz to save power (in idle mode).
The Core 2 Duo T9900 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).
Intel Core 2 Duo P8400
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The Intel Core 2 Duo P8400 is a dual core processor for laptops. It features 2.26 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).
The performance of the P8400 is on par with the fast Turion II Ultra with about 2.4 to 2.6 GHz. Modern demanding games like Supreme Commander may be limited by the CPU performance. High end gamers should choose a higher clocked Core 2 Duo (or Core i5 / i7).
The P8400 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 800 MHz to save power (in idle mode).
The Core 2 Duo P8400 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 i5-2410M | Intel Core 2 Duo T9900 | Intel Core 2 Duo P8400 | ||||||||||||||||||||||||||||||||||||||||
| Codename | Sandy Bridge | Penryn | Penryn | ||||||||||||||||||||||||||||||||||||||||
| Series | Intel Core i5 | Intel Core 2 Duo | Intel Core 2 Duo | ||||||||||||||||||||||||||||||||||||||||
| Series: Core 2 Duo Penryn |
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| Clock | 2300 - 2900 MHz | 3060 MHz | 2260 MHz | ||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 128 KB | 128 KB | 128 KB | ||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 512 KB | 6 MB | 3 MB | ||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 3 MB | ||||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 2 / 4 | 2 / 2 | 2 / 2 | ||||||||||||||||||||||||||||||||||||||||
| TDP | 35 Watt | 35 Watt | 25 Watt | ||||||||||||||||||||||||||||||||||||||||
| Transistors | 624 Million | 410 Million | 410 Million | ||||||||||||||||||||||||||||||||||||||||
| Technology | 32 nm | 45 nm | 45 nm | ||||||||||||||||||||||||||||||||||||||||
| Die Size | 149 mm2 | 107 mm2 | 107 mm2 | ||||||||||||||||||||||||||||||||||||||||
| max. Temp. | 100 °C | 105 °C | 105 °C | ||||||||||||||||||||||||||||||||||||||||
| Socket | rPGA988B / BGA1023 | Socket P (BGA479, PGA478) | Socket P | ||||||||||||||||||||||||||||||||||||||||
| Features | HD Graphics 3000 (650-1200MHz), DDR3-1066/1333 Memory Controller (max 16GB), HyperThreading, AVX, Quick Sync, Virtualization | SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, Ehnaced Halt State (C1E), 64 Bit, Trusted Execution Technology | SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, Ehnaced Halt State (C1E), 64 Bit, Trusted Execution Technology | ||||||||||||||||||||||||||||||||||||||||
| iGPU | Intel HD Graphics 3000 (650 - 1200 MHz) | ||||||||||||||||||||||||||||||||||||||||||
| Architecture | x86 | x86 | x86 | ||||||||||||||||||||||||||||||||||||||||
| Announced | |||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | ark.intel.com | ark.intel.com | ark.intel.com | ||||||||||||||||||||||||||||||||||||||||
| FSB | 1066 | 1066 | |||||||||||||||||||||||||||||||||||||||||
| Voltage | 1.05-1.2125 V V | 1.05-1.15 V | |||||||||||||||||||||||||||||||||||||||||
| $530 U.S. | $209 U.S. |
Benchmarks
Average Benchmarks Intel Core i5-2410M → 100% n=11
Average Benchmarks Intel Core 2 Duo T9900 → 82% n=11
Average Benchmarks Intel Core 2 Duo P8400 → 58% n=11
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
