Celeron B815 vs B820

VS

Aggregate performance score

Celeron B820
2012
2 cores / 2 threads, 35 Watt
0.50
+8.7%
Celeron B815
2012
2 cores / 2 threads, 35 Watt
0.46

Celeron B820 outperforms Celeron B815 by a small 9% based on our aggregate benchmark results.

Primary details

Comparing Celeron B820 and Celeron B815 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28892938
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Celeron
Power efficiency1.351.24
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date1 July 2012 (12 years ago)1 January 2012 (12 years ago)
Launch price (MSRP)$86$86

Detailed specifications

Celeron B820 and Celeron B815 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 speed1.7 GHz1.6 GHz
Boost clock speed1.7 GHz1.6 GHz
Bus typeDMI 2.0DMI 2.0
Bus rate4 × 5 GT/s4 × 5 GT/s
Multiplier1716
L1 cache128 KB128 KB
L2 cache512 KB512 KB
L3 cache2 MB (shared)2 MB (shared)
Chip lithography32 nm32 nm
Die size131 mm2131 mm2
Maximum core temperature100 °C100 °C
Number of transistors504 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Celeron B820 and Celeron B815 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCPGA988,PGA988FCPGA988,PGA988
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Celeron B815. 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
FMA++
Enhanced SpeedStep (EIST)++
My WiFi--
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Flex Memory Access++
Demand Based Switching--
FDI++
Fast Memory Access++

Security technologies

Celeron B820 and Celeron B815 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Anti-Theft--

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and Celeron B815 are enumerated here.

VT-d--
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Celeron B815. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for 2nd Generation Intel ProcessorsIntel HD Graphics for 2nd Generation Intel Processors
Clear Video HD--
Graphics max frequency1.05 GHz1.05 GHz
InTru 3D--

Graphics interfaces

Available interfaces and connections of Celeron B820 and Celeron B815 integrated GPUs.

Number of displays supported22
eDP++
DisplayPort++
HDMI++
SDVO++
CRT++

Peripherals

Specifications and connection of peripherals supported by Celeron B820 and Celeron B815.

PCIe version2.02.0
PCI Express lanes1616

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 B820 0.50
+8.7%
Celeron B815 0.46

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 B820 802
+9.7%
Celeron B815 731

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 B820 280
+15.2%
Celeron B815 243

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 B820 492
+19.1%
Celeron B815 413

Gaming performance

Pros & cons summary


Performance score 0.50 0.46
Recency 1 July 2012 1 January 2012

Celeron B820 has a 8.7% higher aggregate performance score, and an age advantage of 6 months.

Given the minimal performance differences, no clear winner can be declared between Celeron B820 and Celeron B815.


Should you still have questions on choice between Celeron B820 and Celeron B815, ask them in Comments section, and we shall answer.

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Intel Celeron B820
Celeron B820
Intel Celeron B815
Celeron B815

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Community ratings

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Questions & comments

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