Sempron 3400+ vs Atom N550
Aggregate performance score
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3472 | 3482 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | 0.80 | 0.12 |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Pineview (2009−2011) | Palermo (2001−2005) |
| Release date | 23 August 2010 (14 years ago) | 1 October 2005 (19 years ago) |
| Launch price (MSRP) | $86 | $30 |
Detailed specifications
Atom N550 and Sempron 3400+ 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 | 4 | 1 |
| Base clock speed | 1.5 GHz | no data |
| Boost clock speed | 1.5 GHz | 2 GHz |
| Bus rate | 666 MHz | no data |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 512K (per core) | 128 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | 87 mm2 | 103 mm2 |
| Number of transistors | 176 million | 63 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom N550 and Sempron 3400+ 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 | 1 |
| Socket | FCBGA559 | 939 |
| Power consumption (TDP) | 8.5 Watt | 62 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N550 and Sempron 3400+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
Security technologies
Atom N550 and Sempron 3400+ 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 Atom N550 and Sempron 3400+ are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N550 and Sempron 3400+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1 |
| Maximum memory size | 2 GB | no data |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | On certain motherboards (Chipset feature) |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Recency | 23 August 2010 | 1 October 2005 |
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 8 Watt | 62 Watt |
Atom N550 has an age advantage of 4 years, 100% more physical cores and 300% more threads, a 100% more advanced lithography process, and 675% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Intel Atom N550 and AMD Sempron 3400+.
Be aware that Atom N550 is a notebook processor while Sempron 3400+ is a desktop one.
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