i7-1355U vs i5-1230U

VS

Aggregate performance score

Core i5-1230U
2022
10 cores / 12 threads, 9 Watt
6.94
Core i7-1355U
2023
10 cores / 12 threads, 15 Watt
9.32
+34.3%

Core i7-1355U outperforms Core i5-1230U by a substantial 34% based on our aggregate benchmark results.

Primary details

Comparing Core i5-1230U and Core i7-1355U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1019825
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Alder Lake-MIntel Raptor Lake-U
Power efficiency72.9858.80
Architecture codenameAlder Lake-U (2022)Raptor Lake-U (2023)
Release date23 February 2022 (2 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)no data$469

Detailed specifications

Core i5-1230U and Core i7-1355U 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)10 (Deca-Core)
Threads1212
Base clock speed1 GHz1.7 GHz
Boost clock speed4.4 GHz5 GHz
L1 cache80K (per core)80K (per core)
L2 cache1.25 MB (per core)1.25 MB (per core)
L3 cache12 MB (shared)12 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-1230U and Core i7-1355U 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
SocketFCBGA1781FCBGA1744
Power consumption (TDP)9 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-1230U and Core i7-1355U. 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++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift++
Hyper-Threading Technology++
TSX++
Thermal Monitoring++
Flex Memory Access-+
Deep Learning Boost++

Security technologies

Core i5-1230U and Core i7-1355U technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-1230U and Core i7-1355U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-1230U and Core i7-1355U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size64 GB96 GB
Max memory channels22

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel® Iris® Xe Graphics eligible
Quick Sync Video++
Graphics max frequency850 MHz1.3 GHz
Execution Units8096

Graphics interfaces

Available interfaces and connections of Core i5-1230U and Core i7-1355U integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i5-1230U and Core i7-1355U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz4096 x 2304 @ 60Hz
Max resolution over eDP4096 x 2304 @ 120Hz4096 x 2304 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-1230U and Core i7-1355U integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.64.6

Peripherals

Specifications and connection of peripherals supported by Core i5-1230U and Core i7-1355U.

PCIe version4.04.0
PCI Express lanes148

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.

i5-1230U 6.94
i7-1355U 9.32
+34.3%

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.

i5-1230U 11022
i7-1355U 14799
+34.3%

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.

i5-1230U 7290
i7-1355U 10028
+37.6%

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.

i5-1230U 17243
i7-1355U 33627
+95%

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.

i5-1230U 6641
i7-1355U 10128
+52.5%

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.

i5-1230U 14
+50%
i7-1355U 21

Cinebench 15 64-bit multi-core

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

i5-1230U 514
i7-1355U 1393
+171%

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.

i5-1230U 187
i7-1355U 256
+36.8%

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.

i5-1230U 4985
i7-1355U 12688
+155%

Geekbench 5.5 Multi-Core

i5-1230U 6755
i7-1355U 8058
+19.3%

Blender(-)

i5-1230U 754
+82.1%
i7-1355U 414

Geekbench 5.5 Single-Core

i5-1230U 1529
i7-1355U 1783
+16.6%

7-Zip Single

i5-1230U 3969
i7-1355U 5570
+40.3%

7-Zip

i5-1230U 20092
i7-1355U 36491
+81.6%

WebXPRT 3

i5-1230U 234
i7-1355U 283
+21.2%

CrossMark Overall

i5-1230U 1312
i7-1355U 1573
+19.9%

WebXPRT 4 Overall

i5-1230U 204
i7-1355U 254
+24.4%

Blender v3.3 Classroom CPU(-)

i5-1230U 1459
+90.8%
i7-1355U 765

Gaming performance

Pros & cons summary


Performance score 6.94 9.32
Recency 23 February 2022 4 January 2023
Power consumption (TDP) 9 Watt 15 Watt

i5-1230U has 66.7% lower power consumption.

i7-1355U, on the other hand, has a 34.3% higher aggregate performance score, and an age advantage of 10 months.

The Core i7-1355U is our recommended choice as it beats the Core i5-1230U in performance tests.


Should you still have questions on choice between Core i5-1230U and Core i7-1355U, ask them in Comments section, and we shall answer.

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Intel Core i5-1230U
Core i5-1230U
Intel Core i7-1355U
Core i7-1355U

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Community ratings

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Questions & comments

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