i7-990X Extreme Edition vs Atom N455
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3644 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | Intel Core i7EE |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Pinetrail (2009−2011) | Westmere (2010−2011) |
| Release date | 1 June 2010 (15 years ago) | 13 February 2011 (14 years ago) |
| Launch price (MSRP) | $64 | no data |
Detailed specifications
Atom N455 and Core i7-990X Extreme Edition 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) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 1.67 GHz | 3.46 GHz |
| Bus type | no data | QPI |
| Bus rate | 533 MHz | 6.4 GT/s |
| Multiplier | no data | 26 |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512K (per core) | 1.5 MB |
| L3 cache | 0 KB | 12 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 66 mm2 | 239 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 123 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom N455 and Core i7-990X Extreme Edition 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 (Uniprocessor) |
| Socket | FCBGA559 | no data |
| Power consumption (TDP) | 6.5 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N455 and Core i7-990X Extreme Edition. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
Security technologies
Atom N455 and Core i7-990X Extreme Edition 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 N455 and Core i7-990X Extreme Edition are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N455 and Core i7-990X Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 2 GB | 24 GB |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | no data |
Pros & cons summary
| Recency | 1 June 2010 | 13 February 2011 |
| Physical cores | 1 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 6 Watt | 130 Watt |
Atom N455 has 2066.7% lower power consumption.
i7-990X Extreme Edition, on the other hand, has an age advantage of 8 months, 500% more physical cores and 500% more threads, and a 40.6% more advanced lithography process.
We couldn't decide between Intel Atom N455 and Intel Core i7-990X Extreme Edition. We've got no test results to judge.
Be aware that Atom N455 is a notebook processor while Core i7-990X Extreme Edition is a desktop one.
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