Celeron N2805 vs Core 2 Duo E7400
Primary details
Comparing Core 2 Duo E7400 and Celeron N2805 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2748 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 0.95 | no data |
| Architecture codename | Wolfdale (2008−2010) | Bay Trail-M (2013−2014) |
| Release date | October 2008 (16 years ago) | 11 September 2013 (11 years ago) |
| Launch price (MSRP) | no data | $107 |
Detailed specifications
Core 2 Duo E7400 and Celeron N2805 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 | 2 |
| Base clock speed | 2.8 GHz | 1.46 GHz |
| Boost clock speed | 2.8 GHz | 1.46 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 64 KB | 56K (per core) |
| L2 cache | 3 MB (shared) | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 22 nm |
| Die size | 82 mm2 | no data |
| Maximum core temperature | no data | 80 °C |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 228 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E7400 and Celeron N2805 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 | FCBGA1170 |
| Power consumption (TDP) | 65 Watt | 4.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E7400 and Celeron N2805. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| Smart Connect | no data | + |
| FSB parity | - | no data |
| RST | no data | - |
Security technologies
Core 2 Duo E7400 and Celeron N2805 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E7400 and Celeron N2805 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7400 and Celeron N2805. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
| Maximum memory size | no data | 4 GB |
| Max memory channels | no data | 1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Graphics max frequency | no data | 667 MHz |
Graphics interfaces
Available interfaces and connections of Core 2 Duo E7400 and Celeron N2805 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo E7400 and Celeron N2805.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 4 |
| USB revision | no data | 3.0 and 2.0 |
| Total number of SATA ports | no data | 2 |
| Number of USB ports | no data | 5 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Pros & cons summary
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 65 Watt | 4 Watt |
Celeron N2805 has a 104.5% more advanced lithography process, and 1525% lower power consumption.
We couldn't decide between Core 2 Duo E7400 and Celeron N2805. We've got no test results to judge.
Note that Core 2 Duo E7400 is a desktop processor while Celeron N2805 is a notebook one.
Should you still have questions on choice between Core 2 Duo E7400 and Celeron N2805, ask them in Comments section, and we shall answer.
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