Pentium III 866 vs Celeron N2840
Primary details
Comparing Celeron N2840 and Pentium III 866 processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 3041 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Market segment | Laptop | Desktop processor |
Series | Intel Celeron | no data |
Power efficiency | 5.00 | no data |
Architecture codename | Bay Trail-M (2013−2014) | Coppermine T (2000) |
Release date | 22 May 2014 (10 years ago) | 20 March 2000 (24 years ago) |
Detailed specifications
Celeron N2840 and Pentium III 866 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 | 2 | 1 |
Base clock speed | 2.16 GHz | no data |
Boost clock speed | 2.58 GHz | 0.87 GHz |
L1 cache | 56K (per core) | 32 KB |
L2 cache | 512K (per core) | 256 KB |
L3 cache | 0 KB | 0 KB |
Chip lithography | 22 nm | 180 nm |
Die size | no data | 106 mm2 |
Maximum core temperature | 100 °C | no data |
Maximum case temperature (TCase) | no data | 80 °C |
Number of transistors | no data | 28 million |
64 bit support | + | - |
Windows 11 compatibility | - | - |
Compatibility
Information on Celeron N2840 and Pentium III 866 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 | 2 |
Socket | FCBGA1170 | 370 |
Power consumption (TDP) | 7.5 Watt | 27 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N2840 and Pentium III 866. You'll probably need this information if you require some particular technology.
Enhanced SpeedStep (EIST) | + | no data |
Turbo Boost Technology | - | no data |
Hyper-Threading Technology | - | no data |
Idle States | + | no data |
Smart Connect | + | no data |
Security technologies
Celeron N2840 and Pentium III 866 technologies aimed at improving security, for example, by protecting against hacks.
EDB | + | no data |
Secure Key | + | no data |
Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N2840 and Pentium III 866 are enumerated here.
VT-d | - | no data |
VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Pentium III 866. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | no data |
Maximum memory size | 8 GB | no data |
Max memory channels | 2 | no data |
Maximum memory bandwidth | 21.32 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | Intel HD Graphics for Intel Atom Processor Z3700 Series | On certain motherboards (Chipset feature) |
Quick Sync Video | + | - |
Graphics max frequency | 792 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron N2840 and Pentium III 866 integrated GPUs.
Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron N2840 and Pentium III 866.
PCIe version | 2.0 | no data |
PCI Express lanes | 4 | no data |
USB revision | 3.0 and 2.0 | no data |
Total number of SATA ports | 2 | no data |
Number of USB ports | 5 | no data |
Pros & cons summary
Recency | 22 May 2014 | 20 March 2000 |
Physical cores | 2 | 1 |
Threads | 2 | 1 |
Chip lithography | 22 nm | 180 nm |
Power consumption (TDP) | 7 Watt | 27 Watt |
Celeron N2840 has an age advantage of 14 years, 100% more physical cores and 100% more threads, a 718.2% more advanced lithography process, and 285.7% lower power consumption.
We couldn't decide between Celeron N2840 and Pentium III 866. We've got no test results to judge.
Be aware that Celeron N2840 is a notebook processor while Pentium III 866 is a desktop one.
Should you still have questions on choice between Celeron N2840 and Pentium III 866, ask them in Comments section, and we shall answer.
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