Athlon XP 1800+ vs Core 2 Duo P8400
Aggregate performance score
Core 2 Duo P8400 outperforms Athlon XP 1800+ by a whopping 342% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo P8400 and Athlon XP 1800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2861 | 3356 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core 2 Duo | no data |
| Power efficiency | 2.01 | 0.17 |
| Architecture codename | Penryn (2008−2011) | Thoroughbred (2001−2002) |
| Release date | 15 July 2008 (16 years ago) | January 2001 (23 years ago) |
| Launch price (MSRP) | $209 | $59 |
Detailed specifications
Core 2 Duo P8400 and Athlon XP 1800+ 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 2.26 GHz | no data |
| Boost clock speed | 2.26 GHz | 1.53 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 128 KB | 128 KB |
| L2 cache | 3 MB | 256 KB |
| L3 cache | 3 MB L2 Cache | 0 KB |
| Chip lithography | 45 nm | 180 nm |
| Die size | 107 mm2 | 150 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 410 Million | 37 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.05V-1.15V | no data |
Compatibility
Information on Core 2 Duo P8400 and Athlon XP 1800+ 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.
| Number of CPUs in a configuration | no data | 1 |
| Socket | BGA479,PBGA479,PGA478 | A |
| Power consumption (TDP) | 25 Watt | 66 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo P8400 and Athlon XP 1800+. You'll probably need this information if you require some particular technology.
| 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 Athlon XP 1800+ 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 Athlon XP 1800+ 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.
Pros & cons summary
| Performance score | 0.53 | 0.12 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 180 nm |
| Power consumption (TDP) | 25 Watt | 66 Watt |
Core 2 Duo P8400 has a 341.7% higher aggregate performance score, 100% more physical cores and 100% more threads, a 300% more advanced lithography process, and 164% lower power consumption.
The Core 2 Duo P8400 is our recommended choice as it beats the Athlon XP 1800+ in performance tests.
Be aware that Core 2 Duo P8400 is a notebook processor while Athlon XP 1800+ is a desktop one.
Should you still have questions on choice between Core 2 Duo P8400 and Athlon XP 1800+, ask them in Comments section, and we shall answer.
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