i5-4300M vs i7-3840QM

Aggregate performance score

Core i7-3840QM
2012
4 cores / 8 threads, 45 Watt
3.79
+99.5%
Core i5-4300M
2013
2 cores / 4 threads, 37 Watt
1.90

Core i7-3840QM outperforms Core i5-4300M by an impressive 99% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3840QM and Core i5-4300M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14771978
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i5
Power efficiency7.824.77
Architecture codenameIvy Bridge (2012−2013)Haswell (2013−2015)
Release date3 September 2012 (12 years ago)1 September 2013 (11 years ago)
Launch price (MSRP)$568$227

Detailed specifications

Core i7-3840QM and Core i5-4300M 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 GHz2.6 GHz
Boost clock speed3.8 GHz3.3 GHz
Bus rate5 GT/s5 GT/s
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)3 MB (shared)
Chip lithography22 nm22 nm
Die size160 mm2118 mm2
Maximum core temperature105 °C100 °C
Number of transistors1,400 million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-3840QM and Core i5-4300M 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,FCPGA988FCPGA946
Power consumption (TDP)45 Watt37 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3840QM and Core i5-4300M. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
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 i7-3840QM and Core i5-4300M 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 i5-4300M 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 i5-4300M. 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 4600
Max video memoryno data2 GB
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.3 GHz1.25 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-3840QM and Core i5-4300M integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-3840QM and Core i5-4300M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data3840x2160@60Hz
Max resolution over DisplayPortno data3840x2160@60Hz
Max resolution over VGAno data2880x1800@60Hz

Graphics API support

APIs supported by Core i7-3840QM and Core i5-4300M integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core i7-3840QM and Core i5-4300M.

PCIe version3.03
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.

i7-3840QM 3.79
+99.5%
i5-4300M 1.90

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 5905
+98.9%
i5-4300M 2969

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 620
i5-4300M 958
+54.5%

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.

i7-3840QM 2062
+11.2%
i5-4300M 1855

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-3840QM 5145
+9%
i5-4300M 4721

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-3840QM 20135
+93.8%
i5-4300M 10388

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-3840QM 6998
+68.7%
i5-4300M 4148

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-3840QM 7
+110%
i5-4300M 3

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-3840QM 1.59
+14.4%
i5-4300M 1.39

Gaming performance

Pros & cons summary


Performance score 3.79 1.90
Integrated graphics card 1.18 1.84
Recency 3 September 2012 1 September 2013
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 45 Watt 37 Watt

i7-3840QM has a 99.5% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i5-4300M, on the other hand, has 55.9% faster integrated GPU, an age advantage of 11 months, and 21.6% lower power consumption.

The Core i7-3840QM is our recommended choice as it beats the Core i5-4300M in performance tests.


Should you still have questions on choice between Core i7-3840QM and Core i5-4300M, 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 i7-3840QM
Core i7-3840QM
Intel Core i5-4300M
Core i5-4300M

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.6 183 votes

Rate Core i7-3840QM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 240 votes

Rate Core i5-4300M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-3840QM or Core i5-4300M, agree or disagree with our judgements, or report an error or mismatch.