Pentium D 940 vs Celeron N2840
Primary details
Comparing Celeron N2840 and Pentium D 940 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 | Laptop | Desktop processor |
| Series | Intel Celeron | no data |
| Architecture codename | Bay Trail-M (2013−2014) | Presler (2005−2007) |
| Release date | 22 May 2014 (10 years ago) | 5 January 2006 (18 years ago) |
| Launch price (MSRP) | no data | $423 |
Detailed specifications
Celeron N2840 and Pentium D 940 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 | 2.16 GHz | 3.2 GHz |
| Boost clock speed | 2.58 GHz | 3.2 GHz |
| L1 cache | 56K (per core) | 16 KB (per core) |
| L2 cache | 512K (per core) | 2 MB (per die) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 22 nm | 65 nm |
| Die size | no data | 2x 81 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | no data | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.2V-1.3375V |
Compatibility
Information on Celeron N2840 and Pentium D 940 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 | FCBGA1170 | LGA775,PLGA775 |
| Power consumption (TDP) | 7.5 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N2840 and Pentium D 940. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| Smart Connect | + | no data |
| FSB parity | no data | - |
Security technologies
Celeron N2840 and Pentium D 940 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | + | + |
| Secure Key | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N2840 and Pentium D 940 are enumerated here.
| VT-d | - | - |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Pentium D 940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
| 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 D 940 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron N2840 and Pentium D 940.
| 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 |
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
| Recency | 22 May 2014 | 5 January 2006 |
| Chip lithography | 22 nm | 65 nm |
| Power consumption (TDP) | 7 Watt | 130 Watt |
Celeron N2840 has an age advantage of 8 years, a 195.5% more advanced lithography process, and 1757.1% lower power consumption.
We couldn't decide between Celeron N2840 and Pentium D 940. We've got no test results to judge.
Be aware that Celeron N2840 is a notebook processor while Pentium D 940 is a desktop one.
Should you still have questions on choice between Celeron N2840 and Pentium D 940, ask them in Comments section, and we shall answer.
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