i7-13705H vs i7-1255U

Aggregate performance score

Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.54
Core i7-13705H
2023
14 cores / 20 threads, 45 Watt
14.90
+74.5%

Core i7-13705H outperforms Core i7-1255U by an impressive 74% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1255U and Core i7-13705H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking882470
Place by popularity37not in top-100
Market segmentLaptopLaptop
SeriesIntel Alder Lake-Mno data
Power efficiency53.8831.34
Architecture codenameAlder Lake-U (2022)Raptor Lake-H (2023)
Release date23 February 2022 (2 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)no data$502

Detailed specifications

Core i7-1255U and Core i7-13705H 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)14 (Tetradeca-Core)
Threads1220
Base clock speed1.7 GHz2.4 GHz
Boost clock speed4.7 GHz5 GHz
L1 cache80K (per core)80K (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache12 MB (shared)24 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die sizeno data257 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i7-1255U and Core i7-13705H 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
SocketFCBGA1744FCBGA1792
Power consumption (TDP)15 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1255U and Core i7-13705H. 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 Shift++
Hyper-Threading Technology++
TSX++
Thermal Monitoring++
Flex Memory Access++
Turbo Boost Max 3.0no data+
Deep Learning Boost++

Security technologies

Core i7-1255U and Core i7-13705H technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1255U and Core i7-13705H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Core i7-13705H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size64 GB64 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 frequency1.25 GHz1.5 GHz
Execution Units9696

Graphics interfaces

Available interfaces and connections of Core i7-1255U and Core i7-13705H integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i7-1255U and Core i7-13705H 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 i7-1255U and Core i7-13705H integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.64.6

Peripherals

Specifications and connection of peripherals supported by Core i7-1255U and Core i7-13705H.

PCIe version4.05.0
PCI Express lanes208

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.

i7-1255U 8.54
i7-13705H 14.90
+74.5%

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.

i7-1255U 13562
i7-13705H 23670
+74.5%

Cinebench 15 64-bit multi-core

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

i7-1255U 1389
i7-13705H 2869
+107%

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.

i7-1255U 238
i7-13705H 274
+14.9%

Geekbench 5.5 Multi-Core

i7-1255U 7982
i7-13705H 14323
+79.4%

Blender(-)

i7-1255U 396
+119%
i7-13705H 181

Geekbench 5.5 Single-Core

i7-1255U 1661
i7-13705H 1841
+10.8%

7-Zip Single

i7-1255U 5248
i7-13705H 6000
+14.3%

7-Zip

i7-1255U 36691
i7-13705H 75165
+105%

WebXPRT 3

i7-1255U 275
i7-13705H 304
+10.4%

Gaming performance

Pros & cons summary


Performance score 8.54 14.90
Recency 23 February 2022 4 January 2023
Physical cores 10 14
Threads 12 20
Power consumption (TDP) 15 Watt 45 Watt

i7-1255U has 200% lower power consumption.

i7-13705H, on the other hand, has a 74.5% higher aggregate performance score, an age advantage of 10 months, and 40% more physical cores and 66.7% more threads.

The Core i7-13705H is our recommended choice as it beats the Core i7-1255U in performance tests.


Should you still have questions on choice between Core i7-1255U and Core i7-13705H, ask them in Comments section, and we shall answer.

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Intel Core i7-1255U
Core i7-1255U
Intel Core i7-13705H
Core i7-13705H

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Community ratings

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Questions & comments

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