Atom E660 vs Mobile Sempron 3400+
Aggregate performance score
Primary details
Comparing Mobile Sempron 3400+ and Atom E660 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3275 | 3273 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Mobile Sempron | no data |
| Power efficiency | 0.26 | 5.33 |
| Architecture codename | Albany | Tunnel Creek (2010) |
| Release date | no data (2024 years ago) | 14 September 2010 (14 years ago) |
| Launch price (MSRP) | no data | $54 |
Detailed specifications
Mobile Sempron 3400+ and Atom E660 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 | 2 |
| Boost clock speed | 2 GHz | 1.3 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | no data | 45 nm |
| Die size | no data | 26 mm2 |
| Number of transistors | no data | 47 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Mobile Sempron 3400+ and Atom E660 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 | Intel BGA 676 |
| Power consumption (TDP) | 62 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron 3400+ and Atom E660. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Sempron 3400+ and Atom E660. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel GMA 600 |
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
| Threads | 1 | 2 |
| Power consumption (TDP) | 62 Watt | 3 Watt |
Atom E660 has 100% more threads, and 1966.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Mobile Sempron 3400+ and Atom E660.
Should you still have questions on choice between Mobile Sempron 3400+ and Atom E660, 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.
