i5-10400T vs i7-8565U

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Aggregate performance score

Core i7-8565U
2018
4 cores / 8 threads, 15 Watt
3.81
Core i5-10400T
2020
6 cores / 12 threads, 35 Watt
6.13
+60.9%

Core i5-10400T outperforms Core i7-8565U by an impressive 61% based on our aggregate benchmark results.

Primary details

Comparing Core i7-8565U and Core i5-10400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14731089
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency23.9116.49
Architecture codenameWhiskey Lake-U (2018−2019)no data
Release date28 August 2018 (6 years ago)1 April 2020 (4 years ago)
Launch price (MSRP)$409no data

Detailed specifications

Core i7-8565U and Core i5-10400T 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)6 (Hexa-Core)
Threads812
Base clock speed1.8 GHz2 GHz
Boost clock speed4.6 GHz3.6 GHz
Bus typeOPIno data
Bus rate4 GT/s8 GT/s
Multiplier18no data
L1 cache256 KBno data
L2 cache1 MBno data
L3 cache8 MB (shared)12 MB Intel® Smart Cache
Chip lithography14 nm14 nm
Die size123 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i7-8565U and Core i5-10400T 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
SocketFCBGA1528FCLGA1200
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8565U and Core i5-10400T. 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+-
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Response+no data
Turbo Boost Max 3.0no data-

Security technologies

Core i7-8565U and Core i5-10400T technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Key++
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8565U and Core i5-10400T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8565U and Core i5-10400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics for 8th Generation Intel ProcessorsIntel UHD Graphics 630
Max video memory32 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.15 GHz1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-8565U and Core i5-10400T integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-8565U and Core i5-10400T integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096 x 2304@24Hz4096 x 2160@30Hz
Max resolution over eDP4096 x 2304@60Hz4096 x 2304@60Hz
Max resolution over DisplayPort4096 x 2304@60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-8565U and Core i5-10400T integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i7-8565U and Core i5-10400T.

PCIe version3.03.0
PCI Express lanes1616

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.

i7-8565U 3.81
i5-10400T 6.13
+60.9%

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.

i7-8565U 6055
i5-10400T 9743
+60.9%

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.

i7-8565U 804
i5-10400T 1162
+44.5%

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.

i7-8565U 2327
i5-10400T 4226
+81.6%

Gaming performance

Pros & cons summary


Performance score 3.81 6.13
Integrated graphics card 5.58 3.09
Recency 28 August 2018 1 April 2020
Physical cores 4 6
Threads 8 12
Power consumption (TDP) 15 Watt 35 Watt

i7-8565U has 80.6% faster integrated GPU, and 133.3% lower power consumption.

i5-10400T, on the other hand, has a 60.9% higher aggregate performance score, an age advantage of 1 year, and 50% more physical cores and 50% more threads.

The Core i5-10400T is our recommended choice as it beats the Core i7-8565U in performance tests.

Be aware that Core i7-8565U is a notebook processor while Core i5-10400T is a desktop one.


Should you still have questions on choice between Core i7-8565U and Core i5-10400T, ask them in Comments section, and we shall answer.

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Intel Core i7-8565U
Core i7-8565U
Intel Core i5-10400T
Core i5-10400T

Similar processor comparisons

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Community ratings

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Questions & comments

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