Celeron 2955U vs 2981U

Aggregate performance score

Celeron 2981U
2014
2 cores / 2 threads, 15 Watt
0.68
+19.3%

Celeron 2981U outperforms Celeron 2955U by a moderate 19% based on our aggregate benchmark results.

Primary details

Comparing Celeron 2981U and Celeron 2955U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27422825
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Celeron
Power efficiency4.133.47
Architecture codenameHaswell (2013−2015)Haswell (2013−2015)
Release date1 January 2014 (10 years ago)1 September 2013 (11 years ago)

Detailed specifications

Celeron 2981U and Celeron 2955U 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 speed1.6 GHz1.4 GHz
Boost clock speed1.6 GHz1.4 GHz
Bus rate5 GT/s5 GT/s
L1 cache128 KB64K (per core)
L2 cache512 KB256K (per core)
L3 cache2 MB2 MB (shared)
Chip lithography22 nm22 nm
Die sizeno data118 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data105 °C
Number of transistorsno data1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Celeron 2981U and Celeron 2955U 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
SocketFCBGA1168FCBGA1168
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2981U and Celeron 2955U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Smart Response--
GPIO++
Smart Connect++
FDI--
AMT9.59.5
Matrix Storage--
HD Audio++
RST++

Security technologies

Celeron 2981U and Celeron 2955U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Key++
OS Guard--
Anti-Theft--

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2981U and Celeron 2955U are enumerated here.

AMD-V++
VT-d--
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2981U and Celeron 2955U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 4th Generation Intel® ProcessorsIntel® HD Graphics for 4th Generation Intel® Processors
Quick Sync Video+-
Clear Video++
Graphics max frequency1 GHz1 GHz

Graphics interfaces

Available interfaces and connections of Celeron 2981U and Celeron 2955U integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++

Peripherals

Specifications and connection of peripherals supported by Celeron 2981U and Celeron 2955U.

PCIe version2.02.0
PCI Express lanes1210
PCI support--
USB revision3.03.0
Total number of SATA ports22
Max number of SATA 6 Gb/s Ports22
Integrated IDE--
Number of USB ports44
Integrated LAN--
UART++

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 2981U 0.68
+19.3%
Celeron 2955U 0.57

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 2981U 1036
+18.1%
Celeron 2955U 877

Gaming performance

Pros & cons summary


Performance score 0.68 0.57
Recency 1 January 2014 1 September 2013

Celeron 2981U has a 19.3% higher aggregate performance score, and an age advantage of 4 months.

The Celeron 2981U is our recommended choice as it beats the Celeron 2955U in performance tests.


Should you still have questions on choice between Celeron 2981U and Celeron 2955U, ask them in Comments section, and we shall answer.

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Intel Celeron 2981U
Celeron 2981U
Intel Celeron 2955U
Celeron 2955U

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Community ratings

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Questions & comments

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