Turion II Ultra M620 vs Core 2 Duo P8400
Aggregate performance score
Core 2 Duo P8400 outperforms Turion II Ultra M620 by a small 6% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo P8400 and Turion II Ultra M620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2841 | 2862 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | AMD Turion II Ultra |
| Power efficiency | 2.04 | 1.37 |
| Architecture codename | Penryn (2008−2011) | Caspian (2009) |
| Release date | 15 July 2008 (16 years ago) | 10 September 2009 (15 years ago) |
| Launch price (MSRP) | $209 | no data |
Detailed specifications
Core 2 Duo P8400 and Turion II Ultra M620 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 2.26 GHz | no data |
| Boost clock speed | 2.26 GHz | 2.5 GHz |
| Bus rate | 1066 MHz | 3600 MHz |
| L1 cache | 128 KB | no data |
| L2 cache | 3 MB | 2 MB |
| L3 cache | 3 MB L2 Cache | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | no data |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 410 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.05V-1.15V | no data |
Compatibility
Information on Core 2 Duo P8400 and Turion II Ultra M620 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Socket | BGA479,PBGA479,PGA478 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo P8400 and Turion II Ultra M620. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| PowerNow | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo P8400 and Turion II Ultra M620 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo P8400 and Turion II Ultra M620 are enumerated here.
| VT-x | + | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 0.54 | 0.51 |
| Recency | 15 July 2008 | 10 September 2009 |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Core 2 Duo P8400 has a 5.9% higher aggregate performance score, and 40% lower power consumption.
Turion II Ultra M620, on the other hand, has an age advantage of 1 year.
Given the minimal performance differences, no clear winner can be declared between Core 2 Duo P8400 and Turion II Ultra M620.
Should you still have questions on choice between Core 2 Duo P8400 and Turion II Ultra M620, ask them in Comments section, and we shall answer.
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