Atom Z515 vs Celeron N2805

VS

Aggregate performance score

Celeron N2805
2013
2 cores / 2 threads, 4 Watt
0.21
+50%
Atom Z515
2009
1 core / 2 threads, 1 Watt
0.14

Celeron N2805 outperforms Atom Z515 by an impressive 50% based on our aggregate benchmark results.

Primary details

Comparing Celeron N2805 and Atom Z515 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking32143336
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Atom
Power efficiency4.9720.38
Architecture codenameBay Trail-M (2013−2014)Silverthorne (2008−2010)
Release date11 September 2013 (11 years ago)8 April 2009 (15 years ago)
Launch price (MSRP)$107no data

Detailed specifications

Celeron N2805 and Atom Z515 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 cores2 (Dual-core)1 (Single-Core)
Threads22
Base clock speed1.46 GHz1.2 GHz
Boost clock speed1.46 GHz1.2 GHz
Bus typeno dataFSB
Bus rateno data400 MT/s
Multiplierno data12
L1 cache56K (per core)56 KB (per core)
L2 cache512K (per core)512 KB (per core)
L3 cache0 KB0 KB
Chip lithography22 nm45 nm
Die sizeno data24.18 mm2
Maximum core temperature80 °C90 °C
Number of transistorsno data47 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Celeron N2805 and Atom Z515 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 configuration11 (Uniprocessor)
SocketFCBGA1170PBGA441
Power consumption (TDP)4.3 Watt1.4 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2805 and Atom Z515. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring-+
Demand Based Switchingno data+
Smart Connect+no data
FSB parityno data-
RST-no data

Security technologies

Celeron N2805 and Atom Z515 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDB++
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2805 and Atom Z515 are enumerated here.

VT-d--
VT-x+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2805 and Atom Z515. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3unknown
Maximum memory size4 GBno data
Max memory channels1no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for Intel Atom Processor Z3700 SeriesOn certain motherboards (Chipset feature)
Graphics max frequency667 MHzno data

Graphics interfaces

Available interfaces and connections of Celeron N2805 and Atom Z515 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Celeron N2805 and Atom Z515.

PCIe version2.0no data
PCI Express lanes4no data
USB revision3.0 and 2.0no data
Total number of SATA ports2no data
Number of USB ports5no 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.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Celeron N2805 0.21
+50%
Atom Z515 0.14

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.

Celeron N2805 335
+53.7%
Atom Z515 218

Gaming performance

Pros & cons summary


Performance score 0.21 0.14
Recency 11 September 2013 8 April 2009
Physical cores 2 1
Chip lithography 22 nm 45 nm
Power consumption (TDP) 4 Watt 1 Watt

Celeron N2805 has a 50% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores, and a 104.5% more advanced lithography process.

Atom Z515, on the other hand, has 300% lower power consumption.

The Celeron N2805 is our recommended choice as it beats the Atom Z515 in performance tests.


Should you still have questions on choice between Celeron N2805 and Atom Z515, ask them in Comments section, and we shall answer.

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Intel Celeron N2805
Celeron N2805
Intel Atom Z515
Atom Z515

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Celeron N2805 or Atom Z515, agree or disagree with our judgements, or report an error or mismatch.