i3-5005U vs i7-4940MX

Aggregate performance score

Core i7-4940MX
2014
4 cores / 8 threads, 57 Watt
4.32
+238%
Core i3-5005U
2015
2 cores / 4 threads, 15 Watt
1.28

Core i7-4940MX outperforms Core i3-5005U by a whopping 238% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4940MX and Core i3-5005U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13552279
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i3
Power efficiency7.148.04
Architecture codenameHaswell (2013−2015)Broadwell-U (2015)
Release date20 January 2014 (10 years ago)1 March 2015 (9 years ago)
Launch price (MSRP)$1,096$275

Detailed specifications

Core i7-4940MX and Core i3-5005U 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 speed3.1 GHz2 GHz
Boost clock speed4 GHz2 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 nm14 nm
Die size177 mm282 mm2
Maximum core temperature100 °C105 °C
Maximum case temperature (TCase)100 °C105 °C
Number of transistors1,400 million1300 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-4940MX and Core i3-5005U 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
SocketFCPGA946FCBGA1168
Power consumption (TDP)57 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4940MX and Core i3-5005U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Responseno data+
FDI++
Fast Memory Accessno data+

Security technologies

Core i7-4940MX and Core i3-5005U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
Identity Protection++
OS Guardno data+
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4940MX and Core i3-5005U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4940MX and Core i3-5005U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB16 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 4600Intel HD Graphics 5500
Max video memory1.7 GB16 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.35 GHz850 MHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-4940MX and Core i3-5005U integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4940MX and Core i3-5005U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data2560x1600@60Hz
Max resolution over DisplayPortno data3840x2160@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core i7-4940MX and Core i3-5005U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core i7-4940MX and Core i3-5005U.

PCIe version32.0
PCI Express lanes1612

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.

i7-4940MX 4.32
+238%
i3-5005U 1.28

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.

i7-4940MX 6830
+237%
i3-5005U 2024

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.

i7-4940MX 1237
+98.9%
i3-5005U 622

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.

i7-4940MX 4001
+221%
i3-5005U 1247

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.

i7-4940MX 5853
+86.8%
i3-5005U 3133

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.

i7-4940MX 21022
+203%
i3-5005U 6927

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.

i7-4940MX 7678
+183%
i3-5005U 2713

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.

i7-4940MX 7
+249%
i3-5005U 24.41

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.

i7-4940MX 8
+235%
i3-5005U 2

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-4940MX 708
+240%
i3-5005U 208

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made 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 (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-4940MX 157
+91.5%
i3-5005U 82

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.

i7-4940MX 1.77
+86.3%
i3-5005U 0.95

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.

i7-4940MX 4.1
+242%
i3-5005U 1.2

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.  

i7-4940MX 43
+231%
i3-5005U 13

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.  

i7-4940MX 167
+140%
i3-5005U 70

Gaming performance

Pros & cons summary


Performance score 4.32 1.28
Integrated graphics card 1.84 1.51
Recency 20 January 2014 1 March 2015
Physical cores 4 2
Threads 8 4
Chip lithography 22 nm 14 nm
Power consumption (TDP) 57 Watt 15 Watt

i7-4940MX has a 237.5% higher aggregate performance score, 21.9% faster integrated GPU, and 100% more physical cores and 100% more threads.

i3-5005U, on the other hand, has an age advantage of 1 year, a 57.1% more advanced lithography process, and 280% lower power consumption.

The Core i7-4940MX is our recommended choice as it beats the Core i3-5005U in performance tests.


Should you still have questions on choice between Core i7-4940MX and Core i3-5005U, ask them in Comments section, and we shall answer.

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Intel Core i7-4940MX
Core i7-4940MX
Intel Core i3-5005U
Core i3-5005U

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Community ratings

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