i5-4278U vs Ultra 7 155H

VS

Aggregate performance score

Core Ultra 7 155H
2023
16 cores / 22 threads, 28 Watt
15.81
+788%
Core i5-4278U
2014
2 cores / 4 threads, 28 Watt
1.78

Core Ultra 7 155H outperforms Core i5-4278U by a whopping 788% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 155H and Core i5-4278U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4332028
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Meteor Lake-HIntel Core i5
Power efficiency53.406.01
Architecture codenameMeteor Lake-H (2023)Haswell (2013−2015)
Release date14 December 2023 (1 year ago)21 July 2014 (10 years ago)
Launch price (MSRP)$503$315

Detailed specifications

Core Ultra 7 155H and Core i5-4278U 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)2 (Dual-core)
Threads224
Base clock speed3.8 GHz2.6 GHz
Boost clock speed4.8 GHz3.1 GHz
Bus rateno data5 GT/s
L1 cache112 KB (per core)128 KB
L2 cache2 MB (per core)512 KB
L3 cache24 MB (shared)3 MB
Chip lithography7 nm22 nm
Die sizeno data181 mm2
Maximum core temperature110 °C100 °C
Number of transistorsno data1300 Million
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Core Ultra 7 155H and Core i5-4278U 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
SocketIntel BGA 2049FCBGA1168
Power consumption (TDP)28 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Core i5-4278U. 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++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX+-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Core Ultra 7 155H and Core i5-4278U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDBno data+
Secure Keyno data+
Identity Protection-+

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Core i5-4278U are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Core i5-4278U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Arc 8-Cores iGPU ( - 2250 MHz)Intel Iris Graphics 5100
Max video memoryno data2 GB
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Core i5-4278U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Core i5-4278U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data3280x2000@60Hz
Max resolution over DisplayPortno data3200x2000@60Hz

Graphics API support

APIs supported by Core Ultra 7 155H and Core i5-4278U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Core i5-4278U.

PCIe version5.02
PCI Express lanes812

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 15.81
+788%
i5-4278U 1.78

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 25119
+790%
i5-4278U 2821

Gaming performance

Pros & cons summary


Performance score 15.81 1.78
Integrated graphics card 18.48 1.94
Recency 14 December 2023 21 July 2014
Physical cores 16 2
Threads 22 4
Chip lithography 7 nm 22 nm

Ultra 7 155H has a 788.2% higher aggregate performance score, 852.6% faster integrated GPU, an age advantage of 9 years, 700% more physical cores and 450% more threads, and a 214.3% more advanced lithography process.

The Core Ultra 7 155H is our recommended choice as it beats the Core i5-4278U in performance tests.


Should you still have questions on choice between Core Ultra 7 155H and Core i5-4278U, 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 i5-4278U
Core i5-4278U

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.


3.8 561 vote

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

  • 1
  • 2
  • 3
  • 4
  • 5
3.4 21 vote

Rate Core i5-4278U 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 i5-4278U, agree or disagree with our judgements, or report an error or mismatch.