i5-2400S vs i7-2720QM

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Aggregate performance score

Core i7-2720QM
2011
4 cores / 8 threads, 45 Watt
2.52
+26.6%
Core i5-2400S
2011
4 cores / 4 threads, 65 Watt
1.99

Core i7-2720QM outperforms Core i5-2400S by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2720QM and Core i5-2400S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17541937
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.34
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency5.302.90
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date3 January 2011 (13 years ago)9 January 2011 (13 years ago)
Launch price (MSRP)$378$141

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2720QM and Core i5-2400S 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)4 (Quad-Core)
Threads84
Base clock speed2.2 GHz2.5 GHz
Boost clock speed3.3 GHz3.3 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s5 GT/s
Multiplier22no data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache6 MB (shared)6144 KB (shared)
Chip lithography32 nm32 nm
Die size216 mm2216 mm2
Maximum core temperature100 °C69 °C
Number of transistors1,160 million1,160 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2720QM and Core i5-2400S 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
SocketFCBGA1224,FCPGA988,PPGA988LGA1155
Power consumption (TDP)45 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2720QM and Core i5-2400S. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI++
FMA+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
Demand Based Switching-no data
FDI++
Fast Memory Access++

Security technologies

Core i7-2720QM and Core i5-2400S technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2720QM and Core i5-2400S are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2720QM and Core i5-2400S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333, DDR3-1600DDR3
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth25.598 GB/s21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel HD Graphics 2000
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.3 GHz1.1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-2720QM and Core i5-2400S 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 i7-2720QM and Core i5-2400S.

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.

i7-2720QM 2.52
+26.6%
i5-2400S 1.99

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.

i7-2720QM 3998
+26.7%
i5-2400S 3155

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.

i7-2720QM 481
i5-2400S 505
+5%

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.

i7-2720QM 1544
+13.4%
i5-2400S 1362

Gaming performance

Pros & cons summary


Performance score 2.52 1.99
Integrated graphics card 0.66 0.55
Threads 8 4
Power consumption (TDP) 45 Watt 65 Watt

i7-2720QM has a 26.6% higher aggregate performance score, 20% faster integrated GPU, 100% more threads, and 44.4% lower power consumption.

The Core i7-2720QM is our recommended choice as it beats the Core i5-2400S in performance tests.

Be aware that Core i7-2720QM is a notebook processor while Core i5-2400S is a desktop one.


Should you still have questions on choice between Core i7-2720QM and Core i5-2400S, 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 i7-2720QM
Core i7-2720QM
Intel Core i5-2400S
Core i5-2400S

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Community ratings

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Questions & comments

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