Atom E665CT vs Core 2 Extreme QX9650
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Yorkfield (2007−2009) | Stellarton (2010) |
| Release date | November 2007 (18 years ago) | 22 November 2010 (15 years ago) |
Detailed specifications
Core 2 Extreme QX9650 and Atom E665CT 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 2 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 1.3 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 12 MB (shared) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 2x 107 mm2 | 26 mm2 |
| Maximum case temperature (TCase) | 64 °C | no data |
| Number of transistors | 820 million | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Extreme QX9650 and Atom E665CT 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 | LGA775 | Intel BGA1466 |
| Power consumption (TDP) | 130 Watt | 7 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9650 and Atom E665CT. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | + | no data |
Security technologies
Core 2 Extreme QX9650 and Atom E665CT 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 Core 2 Extreme QX9650 and Atom E665CT are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9650 and Atom E665CT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel GMA 600 |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 130 Watt | 7 Watt |
Core 2 Extreme QX9650 has 300% more physical cores and 100% more threads.
Atom E665CT, on the other hand, has 1757.1% lower power consumption.
We couldn't decide between Intel Core 2 Extreme QX9650 and Intel Atom E665CT. We've got no test results to judge.
Note that Core 2 Extreme QX9650 is a desktop processor while Atom E665CT is a notebook one.
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