Celeron 827E vs i7-2620M

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Aggregate performance score

Core i7-2620M
2011
2 cores / 4 threads, 35 Watt
1.53
+565%
Celeron 827E
1 core / 1 thread, 17 Watt
0.23

Core i7-2620M outperforms Celeron 827E by a whopping 565% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2620M and Celeron 827E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21423185
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Celeron
Power efficiency4.131.28
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date20 February 2011 (13 years ago)no data
Launch price (MSRP)$346$89

Detailed specifications

Core i7-2620M and Celeron 827E 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)1 (Single-Core)
Threads41
Base clock speed2.7 GHzno data
Boost clock speed3.4 GHz1.4 GHz
Bus typeDMI 2.0DMI 2.0
Bus rate4 × 5 GT/s4 × 5 GT/s
Multiplier2714
L1 cache128 KB64 KB
L2 cache512 KB256 KB
L3 cache4 MB1.5 MB
Chip lithography32 nm32 nm
Die size149 mm2131 mm2
Maximum core temperature100 °Cno data
Number of transistors624 Million504 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2620M and Celeron 827E 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)
SocketFCBGA1023,PPGA988no data
Power consumption (TDP)35 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2620M and Celeron 827E. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0no 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

Core i7-2620M and Celeron 827E technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2620M and Celeron 827E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2620M and Celeron 827E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1066
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s21.335 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel HD Graphics (Sandy Bridge)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2620M and Celeron 827E 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 Core i7-2620M and Celeron 827E.

PCIe version2.0no data
PCI Express lanes16no 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.


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.

i7-2620M 1.53
+565%
Celeron 827E 0.23

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.

i7-2620M 2423
+553%
Celeron 827E 371

Gaming performance

Pros & cons summary


Performance score 1.53 0.23
Integrated graphics card 0.66 0.34
Physical cores 2 1
Threads 4 1
Power consumption (TDP) 35 Watt 17 Watt

i7-2620M has a 565.2% higher aggregate performance score, 94.1% faster integrated GPU, and 100% more physical cores and 300% more threads.

Celeron 827E, on the other hand, has 105.9% lower power consumption.

The Core i7-2620M is our recommended choice as it beats the Celeron 827E in performance tests.


Should you still have questions on choice between Core i7-2620M and Celeron 827E, ask them in Comments section, and we shall answer.

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Intel Core i7-2620M
Core i7-2620M
Intel Celeron 827E
Celeron 827E

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Community ratings

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