i3-3240 vs i7-3840QM

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Aggregate performance score

Core i7-3840QM
2012
4 cores / 8 threads, 45 Watt
3.72
+153%
Core i3-3240
2012
2 cores / 4 threads, 55 Watt
1.47

Core i7-3840QM outperforms Core i3-3240 by a whopping 153% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3840QM and Core i3-3240 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14912176
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data2.62
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency7.822.53
Architecture codenameIvy Bridge (2012−2013)Ivy Bridge (2012−2013)
Release date3 September 2012 (12 years ago)3 September 2012 (12 years ago)
Launch price (MSRP)$568$75

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3840QM and Core i3-3240 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 speed2.8 GHz3.4 GHz
Boost clock speed3.8 GHz3.4 GHz
Bus rate5 GT/s5 GT/s
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache8 MB (shared)3 MB (shared)
Chip lithography22 nm22 nm
Die size160 mm294 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)no data65 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-3840QM and Core i3-3240 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 configuration11
SocketFCBGA1224,FCPGA988FCLGA1155
Power consumption (TDP)45 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3840QM and Core i3-3240. 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+-
AVX++
Enhanced SpeedStep (EIST)++
My WiFi++
Turbo Boost Technology2.0-
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching-no data
FDI++
Fast Memory Access+no data

Security technologies

Core i7-3840QM and Core i3-3240 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+-
Identity Protection++
Anti-Theft++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3840QM and Core i3-3240 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3840QM and Core i3-3240. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4000Intel HD Graphics 2500
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.3 GHz1.05 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-3840QM and Core i3-3240 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3840QM and Core i3-3240.

PCIe version3.02.0
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.

i7-3840QM 3.72
+153%
i3-3240 1.47

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.

i7-3840QM 5914
+154%
i3-3240 2329

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.

i7-3840QM 619
+13.8%
i3-3240 544

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.

i7-3840QM 2064
+85.4%
i3-3240 1113

Gaming performance

Pros & cons summary


Performance score 3.72 1.47
Integrated graphics card 1.18 0.69
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 45 Watt 55 Watt

i7-3840QM has a 153.1% higher aggregate performance score, 71% faster integrated GPU, 100% more physical cores and 100% more threads, and 22.2% lower power consumption.

The Core i7-3840QM is our recommended choice as it beats the Core i3-3240 in performance tests.

Be aware that Core i7-3840QM is a notebook processor while Core i3-3240 is a desktop one.


Should you still have questions on choice between Core i7-3840QM and Core i3-3240, ask them in Comments section, and we shall answer.

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


Intel Core i7-3840QM
Core i7-3840QM
Intel Core i3-3240
Core i3-3240

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Community ratings

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Questions & comments

Here you can ask a question about Core i7-3840QM or Core i3-3240, agree or disagree with our judgements, or report an error or mismatch.