i5-8400T vs i5-13400

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Aggregate performance score

Core i5-13400
2023
10 cores / 16 threads, 65 Watt
14.66
+213%
Core i5-8400T
2018
6 cores / 6 threads, 35 Watt
4.69

Core i5-13400 outperforms Core i5-8400T by a whopping 213% based on our aggregate benchmark results.

Primary details

Comparing Core i5-13400 and Core i5-8400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4871282
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation46.944.93
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Power efficiency21.3412.68
Architecture codenameRaptor Lake-S (2023−2024)Coffee Lake (2017−2019)
Release date4 January 2023 (1 year ago)2 April 2018 (6 years ago)
Launch price (MSRP)$221$182

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-13400 has 852% better value for money than i5-8400T.

Detailed specifications

Core i5-13400 and Core i5-8400T 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 cores10 (Deca-Core)6 (Hexa-Core)
Threads166
Base clock speed2.5 GHz1.7 GHz
Boost clock speed4.6 GHz3.3 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data17
L1 cache80K (per core)64K (per core)
L2 cache1.25 MB (per core)256K (per core)
L3 cache20 MB (shared)9 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die size257 mm2149 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-13400 and Core i5-8400T 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 (Uniprocessor)
SocketFCLGA1700FCLGA1151
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-13400 and Core i5-8400T. 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
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Turbo Boost Max 3.0-no data
Deep Learning Boost+-

Security technologies

Core i5-13400 and Core i5-8400T technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-13400 and Core i5-8400T are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-13400 and Core i5-8400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR4-2666
Maximum memory size192 GB128 GB
Max memory channels22
Maximum memory bandwidth76.8 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 730Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.55 GHz1.05 GHz
Execution Units24no data
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i5-13400 and Core i5-8400T integrated GPUs.

Number of displays supported43

Graphics image quality

Maximum display resolutions supported by Core i5-13400 and Core i5-8400T integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096 x 2160 @ 60Hz4096x2304@24Hz
Max resolution over eDP5120 x 3200 @ 120Hz4096x2304@60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i5-13400 and Core i5-8400T integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-13400 and Core i5-8400T.

PCIe version5.0 and 4.03.0
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.

i5-13400 14.66
+213%
i5-8400T 4.69

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.

i5-13400 23286
+212%
i5-8400T 7456

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.

i5-13400 2298
+107%
i5-8400T 1108

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.

i5-13400 10206
+161%
i5-8400T 3913

Gaming performance

Pros & cons summary


Performance score 14.66 4.69
Integrated graphics card 4.16 3.09
Recency 4 January 2023 2 April 2018
Physical cores 10 6
Threads 16 6
Power consumption (TDP) 65 Watt 35 Watt

i5-13400 has a 212.6% higher aggregate performance score, 34.6% faster integrated GPU, an age advantage of 4 years, and 66.7% more physical cores and 166.7% more threads.

i5-8400T, on the other hand, has 85.7% lower power consumption.

The Core i5-13400 is our recommended choice as it beats the Core i5-8400T in performance tests.


Should you still have questions on choice between Core i5-13400 and Core i5-8400T, ask them in Comments section, and we shall answer.

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Intel Core i5-13400
Core i5-13400
Intel Core i5-8400T
Core i5-8400T

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Core i5-13400 or Core i5-8400T, agree or disagree with our judgements, or report an error or mismatch.