Celeron N2805 vs N2840

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Primary details

Comparing Celeron N2840 and Celeron N2805 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Celeron
Architecture codenameBay Trail-M (2013−2014)Bay Trail-M (2013−2014)
Release date22 May 2014 (10 years ago)11 September 2013 (10 years ago)
Launch price (MSRP)no data$107
Current price$287 $130 (1.2x MSRP)

Detailed specifications

Celeron N2840 and Celeron N2805 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)2 (Dual-core)
Threads22
Base clock speed2.16 GHz1.46 GHz
Boost clock speed2.58 GHz1.46 GHz
L1 cache56K (per core)56K (per core)
L2 cache512K (per core)512K (per core)
L3 cache0 KB0 KB
Chip lithography22 nm22 nm
Maximum core temperature100 °C80 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Celeron N2840 and Celeron N2805 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
SocketFCBGA1170FCBGA1170
Power consumption (TDP)7.5 Watt4.3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2840 and Celeron N2805. You'll probably need this information if you require some particular technology.

AES-NI--
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Smart Connect++
StatusDiscontinuedDiscontinued
RSTno data-

Security technologies

Celeron N2840 and Celeron N2805 technologies aimed at improving security, for example, by protecting against hacks.

EDB++
Secure Key+no data
Identity Protectionno data-
Anti-Theft--

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2840 and Celeron N2805 are enumerated here.

VT-d--
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Celeron N2805. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size8 GB4 GB
Max memory channels21
Maximum memory bandwidth21.32 GB/sno data
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for Intel Atom® Processor Z3700 SeriesIntel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video+-
Clear Video HD--
Graphics max frequency792 MHz667 MHz
InTru 3D--

Graphics interfaces

Available interfaces and connections of Celeron N2840 and Celeron N2805 integrated GPUs.

Number of displays supported22

Peripherals

Specifications and connection of peripherals supported by Celeron N2840 and Celeron N2805.

PCIe version2.02.0
PCI Express lanes44
USB revision3.0 and 2.03.0 and 2.0
Total number of SATA ports22
Number of USB ports55

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.

Benchmark coverage: 68%

Celeron N2840 587
+75.2%
Celeron N2805 335

N2840 outperforms N2805 by 75% in Passmark.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

Celeron N2840 1331
+76.1%
Celeron N2805 756

N2840 outperforms N2805 by 76% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

Celeron N2840 2533
+77.1%
Celeron N2805 1430

N2840 outperforms N2805 by 77% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

Celeron N2840 1510
+70.6%
Celeron N2805 885

N2840 outperforms N2805 by 71% in 3DMark06 CPU.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

Celeron N2840 76
+72.7%
Celeron N2805 44

N2840 outperforms N2805 by 73% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

Celeron N2840 38
+58.3%
Celeron N2805 24

N2840 outperforms N2805 by 58% in Cinebench 15 64-bit single-core.

Geekbench 3 32-bit multi-core

Benchmark coverage: 5%

Celeron N2840 1688
+66%
Celeron N2805 1017

N2840 outperforms N2805 by 66% in Geekbench 3 32-bit multi-core.

Geekbench 3 32-bit single-core

Benchmark coverage: 5%

Celeron N2840 957
+59.8%
Celeron N2805 599

N2840 outperforms N2805 by 60% in Geekbench 3 32-bit single-core.

Pros & cons summary


Recency 22 May 2014 11 September 2013
Power consumption (TDP) 7 Watt 4 Watt

We couldn't decide between Celeron N2840 and Celeron N2805. We've got no test results to judge.


Should you still have questions on choice between Celeron N2840 and Celeron N2805, ask them in Comments section, and we shall answer.

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Intel Celeron N2840
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