i5-8400T vs i7-5500U

Aggregate performance score

Core i7-5500U
2015
2 cores / 4 threads, 15 Watt
1.82
Core i5-8400T
2018
6 cores / 6 threads, 35 Watt
4.87
+168%

Core i5-8400T outperforms Core i7-5500U by a whopping 168% based on our aggregate benchmark results.

Primary details

Comparing Core i7-5500U and Core i5-8400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20141265
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data5.18
Market segmentLaptopDesktop processor
SeriesIntel Core i7Intel Core i5
Power efficiency11.0612.69
Architecture codenameBroadwell-U (2015)Coffee Lake (2017−2019)
Release date1 March 2015 (9 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)$393$182

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-5500U 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 cores2 (Dual-core)6 (Hexa-Core)
Threads46
Base clock speed2.4 GHz1.7 GHz
Boost clock speed3 GHz3.3 GHz
Bus typeno dataDMI 3.0
Bus rate5 GT/s4 × 8 GT/s
Multiplierno data17
L1 cache64K (per core)384 KB
L2 cache256K (per core)1.5 MB
L3 cache4 MB (shared)9 MB (shared)
Chip lithography14 nm14 nm
Die size82 mm2149 mm2
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)105 °C72 °C
Number of transistors1300 Millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-5500U 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)
SocketFCBGA1168FCLGA1151
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5500U 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)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Response+no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-5500U 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 i7-5500U and Core i5-8400T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5500U and Core i5-8400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory size16 GB128 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 5500Intel UHD Graphics 630
Max video memory16 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency950 MHz1.05 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-5500U and Core i5-8400T integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-5500U and Core i5-8400T integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.42560x1600@60Hz4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPort3840x2160@60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i7-5500U and Core i5-8400T integrated GPUs, sometimes API versions are included.

DirectX11.2/1212
OpenGL4.34.5

Peripherals

Specifications and connection of peripherals supported by Core i7-5500U and Core i5-8400T.

PCIe version2.03.0
PCI Express lanes1216

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.

i7-5500U 1.82
i5-8400T 4.87
+168%

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.

i7-5500U 2784
i5-8400T 7446
+167%

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.

i7-5500U 882
i5-8400T 1109
+25.7%

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.

i7-5500U 1689
i5-8400T 3930
+133%

Gaming performance

Pros & cons summary


Performance score 1.82 4.87
Integrated graphics card 1.51 3.09
Recency 1 March 2015 2 April 2018
Physical cores 2 6
Threads 4 6
Power consumption (TDP) 15 Watt 35 Watt

i7-5500U has 133.3% lower power consumption.

i5-8400T, on the other hand, has a 167.6% higher aggregate performance score, 104.6% faster integrated GPU, an age advantage of 3 years, and 200% more physical cores and 50% more threads.

The Core i5-8400T is our recommended choice as it beats the Core i7-5500U in performance tests.

Be aware that Core i7-5500U is a notebook processor while Core i5-8400T is a desktop one.


Should you still have questions on choice between Core i7-5500U and Core i5-8400T, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-5500U
Core i7-5500U
Intel Core i5-8400T
Core i5-8400T

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.3 335 votes

Rate Core i7-5500U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 94 votes

Rate Core i5-8400T on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-5500U or Core i5-8400T, agree or disagree with our judgements, or report an error or mismatch.