i5-10400H vs i7-940XM Extreme Edition

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Primary details

Comparing Core i7-940XM Extreme Edition and Core i5-10400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1179
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7EEIntel Comet Lake
Power efficiencyno data11.15
Architecture codenameNehalem (2008−2010)Comet Lake-H (2020)
Release date5 February 2010 (14 years ago)2 April 2020 (4 years ago)
Launch price (MSRP)$1,096no data

Detailed specifications

Core i7-940XM Extreme Edition and Core i5-10400H 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)
Threads88
Base clock speedno data2.6 GHz
Boost clock speed2.13 GHz4.6 GHz
Bus typeDMIno data
Bus rate2.5 GT/s8 GT/s
Multiplier16no data
L1 cache256 KB64K (per core)
L2 cache1 MB256K (per core)
L3 cache8 MB6 MB (shared)
Chip lithography45 nm14 nm
Die size296 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors774 Millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-940XM Extreme Edition and Core i5-10400H 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 configuration1 (Uniprocessor)1
Socketno dataFCBGA1440
Power consumption (TDP)55 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-940XM Extreme Edition and Core i5-10400H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data-

Security technologies

Core i7-940XM Extreme Edition and Core i5-10400H technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-940XM Extreme Edition and Core i5-10400H are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-940XM Extreme Edition and Core i5-10400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1333DDR4
Maximum memory size8 GB128 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 10th Gen Intel Processors
Quick Sync Video-+
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of Core i7-940XM Extreme Edition and Core i5-10400H integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-940XM Extreme Edition and Core i5-10400H integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-940XM Extreme Edition and Core i5-10400H integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-940XM Extreme Edition and Core i5-10400H.

PCIe version2.03.0
PCI Express lanes1616

Pros & cons summary


Recency 5 February 2010 2 April 2020
Chip lithography 45 nm 14 nm
Power consumption (TDP) 55 Watt 45 Watt

i5-10400H has an age advantage of 10 years, a 221.4% more advanced lithography process, and 22.2% lower power consumption.

We couldn't decide between Core i7-940XM Extreme Edition and Core i5-10400H. We've got no test results to judge.


Should you still have questions on choice between Core i7-940XM Extreme Edition and Core i5-10400H, ask them in Comments section, and we shall answer.

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Intel Core i7-940XM Extreme Edition
Core i7-940XM Extreme Edition
Intel Core i5-10400H
Core i5-10400H

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Community ratings

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2.5 11 votes

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4.1 185 votes

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