Celeron N2840 vs Athlon 64 X2 TK-42
Primary details
Comparing Athlon 64 X2 TK-42 and Celeron N2840 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Athlon 64 | Intel Celeron |
| Architecture codename | Tyler (2007−2009) | Bay Trail-M (2013−2014) |
| Release date | 1 November 2009 (14 years ago) | 22 May 2014 (10 years ago) |
Detailed specifications
Athlon 64 X2 TK-42 and Celeron N2840 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 | no data | 2.16 GHz |
| Boost clock speed | 1.6 GHz | 2.58 GHz |
| Bus rate | 1600 MHz | no data |
| L1 cache | 0 MB | 112 KB |
| L2 cache | 1 MB | 1 MB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 22 nm |
| Maximum core temperature | 95 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 X2 TK-42 and Celeron N2840 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 | no data | 1 |
| Socket | Socket S1 | FCBGA1170 |
| Power consumption (TDP) | 20 Watt | 7.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 X2 TK-42 and Celeron N2840. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow | no data |
| PowerNow | + | - |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Smart Connect | no data | + |
| Status | no data | Discontinued |
Security technologies
Athlon 64 X2 TK-42 and Celeron N2840 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 Athlon 64 X2 TK-42 and Celeron N2840 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 TK-42 and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.32 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 792 MHz |
Graphics interfaces
Available interfaces and connections of Athlon 64 X2 TK-42 and Celeron N2840 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 X2 TK-42 and Celeron N2840.
| 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
| Recency | 1 November 2009 | 22 May 2014 |
| Chip lithography | 65 nm | 22 nm |
| Power consumption (TDP) | 20 Watt | 7 Watt |
Celeron N2840 has an age advantage of 4 years, a 195.5% more advanced lithography process, and 185.7% lower power consumption.
We couldn't decide between Athlon 64 X2 TK-42 and Celeron N2840. We've got no test results to judge.
Should you still have questions on choice between Athlon 64 X2 TK-42 and Celeron N2840, ask them in Comments section, and we shall answer.
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