Atom N550 vs A4-3400
Aggregate performance score
A4-3400 outperforms Atom N550 by a whopping 259% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3067 | 3562 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 0.40 | 0.80 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Llano (2011−2012) | Pineview (2009−2011) |
| Release date | 7 September 2011 (14 years ago) | 23 August 2010 (15 years ago) |
| Launch price (MSRP) | no data | $86 |
Detailed specifications
A4-3400 and Atom N550 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) | 2 (Dual-core) |
| Threads | 2 | 4 |
| Base clock speed | 2.7 GHz | 1.5 GHz |
| Boost clock speed | 2.7 GHz | 1.5 GHz |
| Bus rate | no data | 666 MHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 228 mm2 | 87 mm2 |
| Number of transistors | 1,178 million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A4-3400 and Atom N550 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 | FM1 | FCBGA559 |
| Power consumption (TDP) | 65 Watt | 8.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-3400 and Atom N550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
Security technologies
A4-3400 and Atom N550 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 A4-3400 and Atom N550 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-3400 and Atom N550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 2 GB |
| Max memory channels | no data | 1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon HD 6410D | Intel GMA 3150 |
Synthetic benchmarks
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.61 | 0.17 |
| Recency | 7 September 2011 | 23 August 2010 |
| Threads | 2 | 4 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 8 Watt |
A4-3400 has a 258.8% higher aggregate performance score, an age advantage of 1 year, and a 40.6% more advanced lithography process.
Atom N550, on the other hand, has 100% more threads, and 712.5% lower power consumption.
The AMD A4-3400 is our recommended choice as it beats the Intel Atom N550 in performance tests.
Note that A4-3400 is a desktop processor while Atom N550 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
