i3-1125G4 vs i7-4940MX

Primary details

Comparing Core i7-4940MX and Core i3-1125G4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1357	1088
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Tiger Lake
Power efficiency	7.14	20.45
Architecture codename	Haswell (2013−2015)	Tiger Lake-UP3 (2020−2021)
Release date	20 January 2014 (10 years ago)	2 September 2020 (4 years ago)
Launch price (MSRP)	$1,096	no data

Detailed specifications

Core i7-4940MX and Core i3-1125G4 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 cores	4 (Quad-Core)	4 (Quad-Core)
Threads	8	8
Base clock speed	3.1 GHz	2 GHz
Boost clock speed	4 GHz	3.7 GHz
Bus rate	5 GT/s	4 GT/s
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	1.25 MB (per core)
L3 cache	8 MB (shared)	8 MB (shared)
Chip lithography	22 nm	10 nm SuperFin
Die size	177 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	100 °C	72 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4940MX and Core i3-1125G4 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 configuration	1	1
Socket	FCPGA946	FCBGA1449
Power consumption (TDP)	57 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4940MX and Core i3-1125G4. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
FDI	+	no data
Deep Learning Boost	-	+

Security technologies

Core i7-4940MX and Core i3-1125G4 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4940MX and Core i3-1125G4 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 i3-1125G4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	Intel® UHD Graphics for 11th Gen Intel® Processors
Max video memory	1.7 GB	no data
Quick Sync Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.35 GHz	1.25 GHz
Execution Units	no data	48
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-4940MX and Core i3-1125G4 integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-4940MX and Core i3-1125G4 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Core i7-4940MX and Core i3-1125G4 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-4940MX and Core i3-1125G4.

PCIe version	3	4.0
PCI Express lanes	16	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

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Pros & cons summary

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Performance score	4.30	6.05
Recency	20 January 2014	2 September 2020
Chip lithography	22 nm	10 nm
Power consumption (TDP)	57 Watt	28 Watt

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Should you still have questions on choice between Core i7-4940MX and Core i3-1125G4, ask them in Comments section, and we shall answer.

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