Atom E665C vs Pentium D 965 EE
Primary details
Comparing Pentium D 965 EE and Atom E665C 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 |
| Architecture codename | Presler (2005−2007) | Stellarton (2010) |
| Release date | March 2006 (18 years ago) | 22 November 2010 (13 years ago) |
Detailed specifications
Pentium D 965 EE and Atom E665C 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 | 2 |
| Boost clock speed | 3.73 GHz | 1.3 GHz |
| L1 cache | 28 KB | 64 KB (per core) |
| L2 cache | 4 MB | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 140 mm2 | 26 mm2 |
| Number of transistors | 376 million | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium D 965 EE and Atom E665C 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 | 2 | 1 |
| Socket | 775 | Intel BGA1466 |
| Power consumption (TDP) | 130 Watt | 4 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 965 EE and Atom E665C. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 965 EE and Atom E665C. 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 | 2 | 1 |
| Threads | 4 | 2 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 130 Watt | 4 Watt |
Pentium D 965 EE has 100% more physical cores and 100% more threads.
Atom E665C, on the other hand, has a 44.4% more advanced lithography process, and 3150% lower power consumption.
We couldn't decide between Pentium D 965 EE and Atom E665C. We've got no test results to judge.
Note that Pentium D 965 EE is a desktop processor while Atom E665C is a notebook one.
Should you still have questions on choice between Pentium D 965 EE and Atom E665C, ask them in Comments section, and we shall answer.
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