Celeron N2840 vs i7-2675QM

VS

Aggregate performance score

Core i7-2675QM
2011
4 cores / 8 threads, 45 Watt
2.43
+557%
Celeron N2840
2014
2 cores / 2 threads, 7 Watt
0.37

Core i7-2675QM outperforms Celeron N2840 by a whopping 557% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2675QM and Celeron N2840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17753041
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Celeron
Power efficiency5.115.00
Architecture codenameSandy Bridge (2011−2013)Bay Trail-M (2013−2014)
Release date12 October 2011 (13 years ago)22 May 2014 (10 years ago)
Launch price (MSRP)$378no data

Detailed specifications

Core i7-2675QM 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 cores4 (Quad-Core)2 (Dual-core)
Threads82
Base clock speed2.2 GHz2.16 GHz
Boost clock speed3.1 GHz2.58 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier22no data
L1 cache64K (per core)56K (per core)
L2 cache256K (per core)512K (per core)
L3 cache6 MB (shared)0 KB
Chip lithography32 nm22 nm
Die size216 mm2no data
Maximum core temperature100 °C100 °C
Number of transistors1,160 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2675QM 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 configuration1 (Uniprocessor)1
SocketFCBGA1224FCBGA1170
Power consumption (TDP)45 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2675QM and Celeron N2840. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA+-
AVX+-
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
Smart Connectno data+
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-2675QM and Celeron N2840 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2675QM and Celeron N2840 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2675QM and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333DDR3
Maximum memory size16 GB8 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel HD Graphics for Intel Atom Processor Z3700 Series
Quick Sync Video++
Clear Video HD+-
Graphics max frequency1.2 GHz792 MHz
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i7-2675QM and Celeron N2840 integrated GPUs.

Number of displays supported22
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2675QM and Celeron N2840.

PCIe version2.02.0
PCI Express lanes164
USB revisionno data3.0 and 2.0
Total number of SATA portsno data2
Number of USB portsno data5

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.

i7-2675QM 2.43
+557%
Celeron N2840 0.37

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.

i7-2675QM 3856
+556%
Celeron N2840 588

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.

i7-2675QM 446
+151%
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.

i7-2675QM 1412
+375%
Celeron N2840 297

Gaming performance

Pros & cons summary


Performance score 2.43 0.37
Integrated graphics card 0.66 0.77
Recency 12 October 2011 22 May 2014
Physical cores 4 2
Threads 8 2
Chip lithography 32 nm 22 nm
Power consumption (TDP) 45 Watt 7 Watt

i7-2675QM has a 556.8% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Celeron N2840, on the other hand, has 16.7% faster integrated GPU, an age advantage of 2 years, a 45.5% more advanced lithography process, and 542.9% lower power consumption.

The Core i7-2675QM is our recommended choice as it beats the Celeron N2840 in performance tests.


Should you still have questions on choice between Core i7-2675QM and Celeron N2840, ask them in Comments section, and we shall answer.

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Intel Core i7-2675QM
Core i7-2675QM
Intel Celeron N2840
Celeron N2840

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Community ratings

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