Core i5-10400H vs Core Ultra 7 155H

#ad 
Buy on Amazon
VS

Aggregate performance score

Core Ultra 7 155H
2023
16 cores / 22 threads, 28 Watt
16.29
+196%

Ultra 7 155H outperforms i5-10400H by a whopping 196% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 155H and Core i5-10400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking3971129
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Meteor Lake-HIntel Comet Lake
Architecture codenameMeteor Lake-H (2023)Comet Lake-H (2020)
Release date14 December 2023 (less than a year ago)2 April 2020 (4 years ago)

Detailed specifications

Core Ultra 7 155H 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 cores16 (Hexadeca-Core)4 (Quad-Core)
Threads228
Base clock speed3.8 GHz2.6 GHz
Boost clock speed4.8 GHz4.6 GHz
L1 cache112 KB (per core)256 KB
L2 cache2 MB (per core)1 MB
L3 cache24 MB8 MB
Chip lithography7 nm14 nm
Maximum core temperature110 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplierNoNo

Compatibility

Information on Core Ultra 7 155H 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
SocketBGA2049FCBGA1440
Power consumption (TDP)28 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Core i5-10400H. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Hyper-Threading Technologyno data+
TSX++

Security technologies

Core Ultra 7 155H and Core i5-10400H technologies aimed at improving security, for example, by protecting against hacks.

TXT++

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Core i5-10400H are enumerated here.

AMD-Vno data+
VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Core i5-10400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4
Maximum memory bandwidthno data45.8 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Arc 8-Cores iGPUIntel UHD Graphics 630

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Core i5-10400H.

PCIe version5.03.0
PCI Express lanes816

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.

Ultra 7 155H 16.29
+196%
i5-10400H 5.51

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.

Ultra 7 155H 25197
+195%
i5-10400H 8530

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ultra 7 155H 9874
+33.4%
i5-10400H 7403

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ultra 7 155H 58357
+127%
i5-10400H 25731

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Ultra 7 155H 13097
+36.7%
i5-10400H 9578

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ultra 7 155H 3.52
+608%
i5-10400H 24.93

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ultra 7 155H 32
+230%
i5-10400H 10

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ultra 7 155H 2496
+214%
i5-10400H 796

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ultra 7 155H 255
+32.8%
i5-10400H 192

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ultra 7 155H 3.1
+42.2%
i5-10400H 2.18

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Ultra 7 155H 10.4
+96.2%
i5-10400H 5.3

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Ultra 7 155H 7404
+79.9%
i5-10400H 4115

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Ultra 7 155H 141
+188%
i5-10400H 49

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Ultra 7 155H 304
+58.7%
i5-10400H 191

Gaming performance

Pros & cons summary


Performance score 16.29 5.51
Integrated graphics card 18.14 3.09
Recency 14 December 2023 2 April 2020
Physical cores 16 4
Threads 22 8
Chip lithography 7 nm 14 nm
Power consumption (TDP) 28 Watt 45 Watt

Ultra 7 155H has a 195.6% higher aggregate performance score, 487.1% faster integrated GPU, an age advantage of 3 years, 300% more physical cores and 175% more threads, a 100% more advanced lithography process, and 60.7% lower power consumption.

The Core Ultra 7 155H is our recommended choice as it beats the Core i5-10400H in performance tests.


Should you still have questions on choice between Core Ultra 7 155H and Core i5-10400H, 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 Ultra 7 155H
Core Ultra 7 155H
Intel Core i5-10400H
Core i5-10400H

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.


3.8 339 votes

Rate Core Ultra 7 155H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 183 votes

Rate Core i5-10400H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core Ultra 7 155H or Core i5-10400H, agree or disagree with our judgements, or report an error or mismatch.