i5-1235U vs i7-5557U

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Aggregate performance score

Core i7-5557U
2015
2 cores / 4 threads, 28 Watt
2.02
Core i5-1235U
2022
10 cores / 12 threads, 15 Watt
8.74
+333%

Core i5-1235U outperforms Core i7-5557U by a whopping 333% based on our aggregate benchmark results.

Primary details

Comparing Core i7-5557U and Core i5-1235U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1937890
Place by popularitynot in top-10012
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Alder Lake-M
Power efficiency6.5853.13
Architecture codenameBroadwell-U (2015)Alder Lake-U (2022)
Release date1 March 2015 (9 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$426no data

Detailed specifications

Core i7-5557U and Core i5-1235U 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)10 (Deca-Core)
Threads412
Base clock speed3.1 GHz1.3 GHz
Boost clock speed3.4 GHz4.4 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache4 MB (shared)12 MB (shared)
Chip lithography14 nmIntel 7 nm
Die size133 mm2no data
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)105 °Cno data
Number of transistors1900 Millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-5557U and Core i5-1235U 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
SocketFCBGA1168FCBGA1744
Power consumption (TDP)28 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5557U and Core i5-1235U. 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++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Access++
Smart Response+no data
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i7-5557U and Core i5-1235U technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
Identity Protection+-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5557U and Core i5-1235U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5557U and Core i5-1235U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size16 GB64 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Graphics 6100Intel® Iris® Xe Graphics eligible
Max video memory16 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHz1.2 GHz
Execution Unitsno data80
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-5557U and Core i5-1235U integrated GPUs.

Number of displays supported34
eDP+no data
DisplayPort+-
HDMI+-

Graphics image quality

Maximum display resolutions supported by Core i7-5557U and Core i5-1235U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.42560x1600@60Hz4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPort3840x2160@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-5557U and Core i5-1235U integrated GPUs, sometimes API versions are included.

DirectX11.2/1212.1
OpenGL4.34.6

Peripherals

Specifications and connection of peripherals supported by Core i7-5557U and Core i5-1235U.

PCIe version2.04.0
PCI Express lanes1220

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.

i7-5557U 2.02
i5-1235U 8.74
+333%

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.

i7-5557U 3090
i5-1235U 13383
+333%

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.

i7-5557U 1040
i5-1235U 1847
+77.6%

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.

i7-5557U 2067
i5-1235U 5673
+174%

Cinebench 15 64-bit multi-core

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

i7-5557U 353
i5-1235U 1094
+210%

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.

i7-5557U 140
i5-1235U 218
+55.4%

Gaming performance

Pros & cons summary


Performance score 2.02 8.74
Recency 1 March 2015 23 February 2022
Physical cores 2 10
Threads 4 12
Power consumption (TDP) 28 Watt 15 Watt

i5-1235U has a 332.7% higher aggregate performance score, an age advantage of 6 years, 400% more physical cores and 200% more threads, and 86.7% lower power consumption.

The Core i5-1235U is our recommended choice as it beats the Core i7-5557U in performance tests.


Should you still have questions on choice between Core i7-5557U and Core i5-1235U, ask them in Comments section, and we shall answer.

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Intel Core i7-5557U
Core i7-5557U
Intel Core i5-1235U
Core i5-1235U

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Community ratings

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Questions & comments

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