Celeron 4205U vs N2840
Primary details
Comparing Celeron N2840 and Celeron 4205U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2552 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Intel Celeron |
| Power efficiency | no data | 5.43 |
| Architecture codename | Bay Trail-M (2013−2014) | Whiskey Lake-U (2018−2019) |
| Release date | 22 May 2014 (10 years ago) | 23 January 2019 (5 years ago) |
| Launch price (MSRP) | no data | $107 |
Detailed specifications
Celeron N2840 and Celeron 4205U 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 | 1.8 GHz |
| Boost clock speed | 2.58 GHz | 1.8 GHz |
| Bus type | no data | OPI |
| Bus rate | no data | 4 GT/s |
| Multiplier | no data | 18 |
| L1 cache | 56K (per core) | 128 KB |
| L2 cache | 512K (per core) | 512 KB |
| L3 cache | 0 KB | 2 MB (shared) |
| Chip lithography | 22 nm | 14 nm |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Celeron N2840 and Celeron 4205U 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 (Uniprocessor) |
| Socket | FCBGA1170 | FCBGA1528 |
| Power consumption (TDP) | 7.5 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N2840 and Celeron 4205U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
| Smart Connect | + | no data |
Security technologies
Celeron N2840 and Celeron 4205U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | + | + |
| Secure Key | + | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N2840 and Celeron 4205U are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Celeron 4205U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3, DDR4 |
| Maximum memory size | 8 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.32 GB/s | 38.397 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Intel Atom® Processor Z3700 Series | Intel® UHD Graphics for 8th Generation Intel® Processors |
| Max video memory | no data | 32 GB |
| Quick Sync Video | + | + |
| Clear Video | no data | + |
| Clear Video HD | - | + |
| Graphics max frequency | 792 MHz | 900 MHz |
Graphics interfaces
Available interfaces and connections of Celeron N2840 and Celeron 4205U integrated GPUs.
| Number of displays supported | 2 | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Celeron N2840 and Celeron 4205U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Celeron N2840 and Celeron 4205U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Celeron N2840 and Celeron 4205U.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 4 | 12 |
| 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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Pros & cons summary
| Recency | 22 May 2014 | 23 January 2019 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 7 Watt | 15 Watt |
Celeron N2840 has 114.3% lower power consumption.
Celeron 4205U, on the other hand, has an age advantage of 4 years, and a 57.1% more advanced lithography process.
We couldn't decide between Celeron N2840 and Celeron 4205U. We've got no test results to judge.
Should you still have questions on choice between Celeron N2840 and Celeron 4205U, ask them in Comments section, and we shall answer.
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