i7-1255U vs Ryzen 3 5400U

Aggregate performance score

Ryzen 3 5400U
2021
4 cores / 8 threads, 15 Watt
6.99
Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.57
+22.6%

Core i7-1255U outperforms Ryzen 3 5400U by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 3 5400U and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1002882
Place by popularitynot in top-10037
Market segmentLaptopLaptop
SeriesAMD Cezanne (Zen 3, Ryzen 5000)Intel Alder Lake-M
Power efficiency43.9253.84
Architecture codenameCezanne-U (Zen 3) (2021)Alder Lake-U (2022)
Release date12 January 2021 (3 years ago)23 February 2022 (2 years ago)

Detailed specifications

Ryzen 3 5400U and Core i7-1255U 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 cores4 (Quad-Core)10 (Deca-Core)
Threads812
Base clock speed2.6 GHz1.7 GHz
Boost clock speed4 GHz4.7 GHz
Multiplier26no data
L1 cache64K (per core)80K (per core)
L2 cache512K (per core)1.25 MB (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography7 nmIntel 7 nm
Die size180 mm2no data
Maximum core temperature105 °C100 °C
Number of transistors10,700 millionno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Ryzen 3 5400U and Core i7-1255U 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
SocketFP6FCBGA1744
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 3 5400U and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA++
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Deep Learning Boost-+

Security technologies

Ryzen 3 5400U and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 3 5400U and Core i7-1255U are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 3 5400U and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon RX Vega 6 (Ryzen 4000/5000)Intel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Ryzen 3 5400U and Core i7-1255U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Ryzen 3 5400U and Core i7-1255U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 3 5400U and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 3 5400U and Core i7-1255U.

PCIe version3.04.0
PCI Express lanes820

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.

Ryzen 3 5400U 6.99
i7-1255U 8.57
+22.6%

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.

Ryzen 3 5400U 11067
i7-1255U 13565
+22.6%

Geekbench 5.5 Multi-Core

Ryzen 3 5400U 3095
i7-1255U 7982
+158%

Gaming performance

Pros & cons summary


Performance score 6.99 8.57
Recency 12 January 2021 23 February 2022
Physical cores 4 10
Threads 8 12

i7-1255U has a 22.6% higher aggregate performance score, an age advantage of 1 year, and 150% more physical cores and 50% more threads.

The Core i7-1255U is our recommended choice as it beats the Ryzen 3 5400U in performance tests.


Should you still have questions on choice between Ryzen 3 5400U and Core i7-1255U, ask them in Comments section, and we shall answer.

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AMD Ryzen 3 5400U
Ryzen 3 5400U
Intel Core i7-1255U
Core i7-1255U

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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