Processor N100 vs i7-3940XM

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i7-3940XM
2012
4 cores / 8 threads, 55 Watt
3.81
+56.1%

Core i7-3940XM outperforms Processor N100 by an impressive 56% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3940XM and Processor N100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14771778
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Alder Lake-N
Power efficiency6.3237.08
Architecture codenameIvy Bridge (2012−2013)Alder Lake-N (2023)
Release date3 September 2012 (12 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$1,096$128

Detailed specifications

Core i7-3940XM and Processor N100 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 speed3 GHz0.1 GHz
Boost clock speed3.9 GHz3.4 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)96 KB (per core)
L2 cache256K (per core)2 MB (shared)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography22 nm10 nm
Die size160 mm2no data
Maximum core temperature105 °C105 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-3940XM and Processor N100 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
SocketFCPGA988Intel BGA 1264
Power consumption (TDP)55 Watt6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3940XM and Processor N100. 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 Technology2.0no data
Hyper-Threading Technology+no data
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 i7-3940XM and Processor N100 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3940XM and Processor N100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3940XM and Processor N100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4000Intel UHD Graphics 24EUs (Alder Lake-N)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.35 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-3940XM and Processor N100 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3940XM and Processor N100.

PCIe version3.03.0
PCI Express lanes169

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.

i7-3940XM 3.81
+56.1%
Processor N100 2.44

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.

i7-3940XM 5252
+7.9%
Processor N100 4869

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.

i7-3940XM 20564
+83.5%
Processor N100 11207

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.

i7-3940XM 7176
+48.3%
Processor N100 4838

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-3940XM 6.98
+132%
Processor N100 16.22

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.

i7-3940XM 7
+76.1%
Processor N100 4

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.

i7-3940XM 1.62
Processor N100 1.76
+8.6%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-3940XM 3.7
+27.6%
Processor N100 2.9

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-3940XM 41
+68.5%
Processor N100 24

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-3940XM 161
+32.9%
Processor N100 121

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-3940XM 4124
+73.8%
Processor N100 2372

Gaming performance

Pros & cons summary


Performance score 3.81 2.44
Integrated graphics card 1.18 2.32
Recency 3 September 2012 3 January 2023
Threads 8 4
Chip lithography 22 nm 10 nm
Power consumption (TDP) 55 Watt 6 Watt

i7-3940XM has a 56.1% higher aggregate performance score, and 100% more threads.

Processor N100, on the other hand, has 96.6% faster integrated GPU, an age advantage of 10 years, a 120% more advanced lithography process, and 816.7% lower power consumption.

The Core i7-3940XM is our recommended choice as it beats the Processor N100 in performance tests.


Should you still have questions on choice between Core i7-3940XM and Processor N100, 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 i7-3940XM
Core i7-3940XM
Intel Processor N100
Processor N100

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.


4.6 152 votes

Rate Core i7-3940XM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 1184 votes

Rate Processor N100 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-3940XM or Processor N100, agree or disagree with our judgements, or report an error or mismatch.