i7-975 Extreme Edition vs Atom N450
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3630 | 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) | Nehalem (2008−2010) |
| Release date | 21 December 2009 (15 years ago) | 2 June 2009 (16 years ago) |
| Launch price (MSRP) | $64 | no data |
Detailed specifications
Atom N450 and Core i7-975 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 1.67 GHz | 3.33 GHz |
| Bus type | no data | QPI |
| Bus rate | 533 MHz | 6.4 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 56 KB (per core) | no data |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 0 KB | 8 MB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 66 mm2 | 263 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 123 million | 731 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom N450 and Core i7-975 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) | 5.5 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N450 and Core i7-975 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 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
Security technologies
Atom N450 and Core i7-975 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 N450 and Core i7-975 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 N450 and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | 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 | On certain motherboards (Chipset feature) | no data |
Pros & cons summary
| Recency | 21 December 2009 | 2 June 2009 |
| Physical cores | 1 | 4 |
| Threads | 2 | 8 |
| Power consumption (TDP) | 5 Watt | 130 Watt |
Atom N450 has an age advantage of 6 months, and 2500% lower power consumption.
i7-975 Extreme Edition, on the other hand, has 300% more physical cores and 300% more threads.
We couldn't decide between Intel Atom N450 and Intel Core i7-975 Extreme Edition. We've got no test results to judge.
Be aware that Atom N450 is a notebook processor while Core i7-975 Extreme Edition is a desktop one.
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