Celeron N2840 vs 2955U

Primary details

Comparing Celeron 2955U and Celeron N2840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2825not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Celeron
Power efficiency3.47no data
Architecture codenameHaswell (2013−2015)Bay Trail-M (2013−2014)
Release date1 September 2013 (11 years ago)22 May 2014 (10 years ago)

Detailed specifications

Celeron 2955U 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed1.4 GHz2.16 GHz
Boost clock speed1.4 GHz2.58 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)56K (per core)
L2 cache256K (per core)512K (per core)
L3 cache2 MB (shared)0 KB
Chip lithography22 nm22 nm
Die size118 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)105 °Cno data
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Celeron 2955U 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 configuration11
SocketFCBGA1168FCBGA1170
Power consumption (TDP)15 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2955U and Celeron N2840. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring+-
Smart Response-no data
GPIO+no data
Smart Connect++
FDI-no data
AMT9.5no data
Matrix Storage-no data
HD Audio+no data
RST+no data

Security technologies

Celeron 2955U and Celeron N2840 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB++
Secure Key++
OS Guard-no data
Anti-Theft--

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2955U and Celeron N2840 are enumerated here.

AMD-V+-
VT-d--
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2955U and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GB8 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 4th Generation Intel® ProcessorsIntel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video-+
Clear Video+no data
Graphics max frequency1 GHz792 MHz

Graphics interfaces

Available interfaces and connections of Celeron 2955U and Celeron N2840 integrated GPUs.

Number of displays supported32
eDP+no data
DisplayPort+-
HDMI+-

Peripherals

Specifications and connection of peripherals supported by Celeron 2955U and Celeron N2840.

PCIe version2.02.0
PCI Express lanes104
PCI support-no data
USB revision3.03.0 and 2.0
Total number of SATA ports22
Max number of SATA 6 Gb/s Ports2no data
Integrated IDE-no data
Number of USB ports45
Integrated LAN-no data
UART+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.

Celeron 2955U 877
+49.4%
Celeron N2840 587

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.

Celeron 2955U 266
+49.4%
Celeron N2840 178

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.

Celeron 2955U 455
+53.2%
Celeron N2840 297

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.

Celeron 2955U 2069
+55.4%
Celeron N2840 1331

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.

Celeron 2955U 4000
+57.9%
Celeron N2840 2533

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.

Celeron 2955U 1520
+0.7%
Celeron N2840 1510

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Celeron 2955U 1
+28.1%
Celeron N2840 1

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Celeron 2955U 0.61
+38.6%
Celeron N2840 0.44

Geekbench 3 32-bit multi-core

Celeron 2955U 2220
+31.5%
Celeron N2840 1688

Geekbench 3 32-bit single-core

Celeron 2955U 1277
+33.4%
Celeron N2840 957

Pros & cons summary


Recency 1 September 2013 22 May 2014
Power consumption (TDP) 15 Watt 7 Watt

Celeron N2840 has an age advantage of 8 months, and 114.3% lower power consumption.

We couldn't decide between Celeron 2955U and Celeron N2840. We've got no test results to judge.


Should you still have questions on choice between Celeron 2955U and Celeron N2840, ask them in Comments section, and we shall answer.

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Intel Celeron 2955U
Celeron 2955U
Intel Celeron N2840
Celeron N2840

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