i7-2660M vs Celeron B820

Primary details

Comparing Celeron B820 and Core i7-2660M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2867not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Core i7
Power efficiency1.35no data
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date1 July 2012 (12 years ago)no data (2024 years ago)
Launch price (MSRP)$86no data

Detailed specifications

Celeron B820 and Core i7-2660M 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)
Threads24
Base clock speed1.7 GHzno data
Boost clock speed1.7 GHz2.9 GHz
Bus typeDMI 2.0DMI 2.0
Bus rate4 × 5 GT/s4 × 5 GT/s
Multiplier1729
L1 cache64K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache2 MB (shared)4 MB
Chip lithography32 nm32 nm
Die size131 mm2no data
Maximum core temperature100 °Cno data
Number of transistors504 million624 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Celeron B820 and Core i7-2660M 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,PGA988Socket G2
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Core i7-2660M. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI-+
FMA++
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Celeron B820 and Core i7-2660M technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and Core i7-2660M are enumerated here.

VT-d-+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Core i7-2660M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1333
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 3000
Graphics max frequency1.05 GHzno data

Graphics interfaces

Available interfaces and connections of Celeron B820 and Core i7-2660M integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Celeron B820 and Core i7-2660M.

PCIe version2.0no data
PCI Express lanes16no data

Pros & cons summary


Threads 2 4

i7-2660M has 100% more threads.

We couldn't decide between Celeron B820 and Core i7-2660M. We've got no test results to judge.


Should you still have questions on choice between Celeron B820 and Core i7-2660M, ask them in Comments section, and we shall answer.

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Intel Celeron B820
Celeron B820
Intel Core i7-2660M
Core i7-2660M

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Community ratings

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2.8 140 votes

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3.9 15 votes

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Questions & comments

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