Athlon 64 2800+ vs Mobile Sempron 3400+
Aggregate performance score
Athlon 64 2800+ outperforms Mobile Sempron 3400+ by a moderate 12% based on our aggregate benchmark results.
Primary details
Comparing Mobile Sempron 3400+ and Athlon 64 2800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3280 | 3255 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Mobile Sempron | no data |
| Power efficiency | 0.26 | 0.20 |
| Architecture codename | Albany | NewCastle (2004) |
| Release date | no data | April 2004 (20 years ago) |
| Launch price (MSRP) | no data | $100 |
Detailed specifications
Mobile Sempron 3400+ and Athlon 64 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 | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Boost clock speed | 2 GHz | 1.8 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 128 KB |
| L2 cache | no data | 512 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | no data | 130 nm |
| Die size | no data | 193 mm2 |
| Number of transistors | no data | 69 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Mobile Sempron 3400+ and Athlon 64 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 | no data | 1 |
| Socket | no data | 754 |
| Power consumption (TDP) | 62 Watt | 89 Watt |
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 | 0.17 | 0.19 |
| Power consumption (TDP) | 62 Watt | 89 Watt |
Mobile Sempron 3400+ has 43.5% lower power consumption.
Athlon 64 2800+, on the other hand, has a 11.8% higher aggregate performance score.
The Athlon 64 2800+ is our recommended choice as it beats the Mobile Sempron 3400+ in performance tests.
Be aware that Mobile Sempron 3400+ is a notebook processor while Athlon 64 2800+ is a desktop one.
Should you still have questions on choice between Mobile Sempron 3400+ and Athlon 64 2800+, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
