i5-10400H vs i7-7740K

Primary details

Comparing Core i7-7740K and Core i5-10400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1164
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Comet Lake
Power efficiencyno data11.25
Architecture codenameKaby Lake-X (2017)Comet Lake-H (2020)
Release dateno data (2024 years ago)2 April 2020 (4 years ago)

Detailed specifications

Core i7-7740K 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)
Threadsno data8
Base clock speedno data2.6 GHz
Boost clock speed4.3 GHz4.6 GHz
Bus rateno data8 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache8192 KB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-7740K 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 configuration11
Socket1151FCBGA1440
Power consumption (TDP)112 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7740K 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+
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data-

Security technologies

Core i7-7740K 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 i7-7740K 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 i7-7740K and Core i5-10400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardHD 630Intel® UHD Graphics for 10th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of Core i7-7740K 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 i7-7740K 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 i7-7740K 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 i7-7740K and Core i5-10400H.

PCIe versionno data3.0
PCI Express lanesno data16

Pros & cons summary


Power consumption (TDP) 112 Watt 45 Watt

i5-10400H has 148.9% lower power consumption.

We couldn't decide between Core i7-7740K and Core i5-10400H. We've got no test results to judge.

Note that Core i7-7740K is a desktop processor while Core i5-10400H is a notebook one.


Should you still have questions on choice between Core i7-7740K and Core i5-10400H, ask them in Comments section, and we shall answer.

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Intel Core i7-7740K
Core i7-7740K
Intel Core i5-10400H
Core i5-10400H

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Community ratings

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1.8 12 votes

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