Mobile Sempron 2800+ vs Core 2 Duo U7700
Aggregate performance score
Core 2 Duo U7700 outperforms Mobile Sempron 2800+ by an impressive 80% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo U7700 and Mobile Sempron 2800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3143 | 3322 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Mobile Sempron |
| Power efficiency | 2.56 | 0.23 |
| Architecture codename | Merom-2048 (2006−2008) | Georgetown |
| Release date | 27 July 2006 (18 years ago) | no data |
Detailed specifications
Core 2 Duo U7700 and Mobile Sempron 2800+ 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 | 1.33 GHz | no data |
| Boost clock speed | 1.33 GHz | 1.6 GHz |
| Bus rate | 533 MHz | 800 MHz |
| L1 cache | 64 KB | no data |
| L2 cache | 2 MB | no data |
| L3 cache | 0 KB | no data |
| Chip lithography | 65 nm | no data |
| Die size | 143 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.8V-0.975V | no data |
Compatibility
Information on Core 2 Duo U7700 and Mobile Sempron 2800+ 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 | 1 | no data |
| Socket | P | no data |
| Power consumption (TDP) | 10 Watt | 62 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo U7700 and Mobile Sempron 2800+. 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 U7700 and Mobile Sempron 2800+ 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 U7700 and Mobile Sempron 2800+ 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 | 0.27 | 0.15 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Power consumption (TDP) | 10 Watt | 62 Watt |
Core 2 Duo U7700 has a 80% higher aggregate performance score, 100% more physical cores and 100% more threads, and 520% lower power consumption.
The Core 2 Duo U7700 is our recommended choice as it beats the Mobile Sempron 2800+ in performance tests.
Should you still have questions on choice between Core 2 Duo U7700 and Mobile Sempron 2800+, ask them in Comments section, and we shall answer.
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