i5-2537M vs i7-2840QM

Aggregate performance score

Core i7-2840QM
2011
4 cores / 8 threads, 45 Watt
2.42
+214%
Core i5-2537M
2011
2 cores / 4 threads, 17 Watt
0.77

Core i7-2840QM outperforms Core i5-2537M by a whopping 214% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2840QM and Core i5-2537M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17632629
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i5
Power efficiency5.094.29
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date4 September 2011 (13 years ago)1 February 2011 (13 years ago)
Launch price (MSRP)no data$250

Detailed specifications

Core i7-2840QM and Core i5-2537M 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)
Threads84
Base clock speedno data1.4 GHz
Boost clock speed2.4 GHz2.3 GHz
Bus typeDMI 2.0DMI 2.0
Bus rate4 × 5 GT/s4 × 5 GT/s
Multiplier2414
L1 cache256 KB64K (per core)
L2 cache1 MB256K (per core)
L3 cache8 MB3 MB (shared)
Chip lithography32 nm32 nm
Die size216 mm2149 mm2
Maximum core temperatureno data100 °C
Number of transistors1160 Million624 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2840QM and Core i5-2537M 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)
SocketSocket G2BGA1023,FCBGA1023
Power consumption (TDP)45 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2840QM and Core i5-2537M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI++
FMA++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data-
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-2840QM and Core i5-2537M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2840QM and Core i5-2537M are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2840QM and Core i5-2537M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory size32 GB8.01 GB
Max memory channelsno data2
Maximum memory bandwidth25.598 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel HD Graphics 3000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data900 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-2840QM and Core i5-2537M integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-2840QM and Core i5-2537M.

PCIe versionno data2.0
PCI Express lanesno data16

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.

i7-2840QM 2.42
+214%
i5-2537M 0.77

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.

i7-2840QM 3842
+214%
i5-2537M 1223

Gaming performance

Pros & cons summary


Performance score 2.42 0.77
Recency 4 September 2011 1 February 2011
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 45 Watt 17 Watt

i7-2840QM has a 214.3% higher aggregate performance score, an age advantage of 7 months, and 100% more physical cores and 100% more threads.

i5-2537M, on the other hand, has 164.7% lower power consumption.

The Core i7-2840QM is our recommended choice as it beats the Core i5-2537M in performance tests.


Should you still have questions on choice between Core i7-2840QM and Core i5-2537M, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-2840QM
Core i7-2840QM
Intel Core i5-2537M
Core i5-2537M

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Community ratings

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Questions & comments

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