i7-1255U vs Ryzen 3 PRO 5450U

VS

Aggregate performance score

Ryzen 3 PRO 5450U
2021
4 cores / 8 threads, 15 Watt
6.94
Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53
+22.9%

Core i7-1255U outperforms Ryzen 3 PRO 5450U by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 3 PRO 5450U and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1018895
Place by popularitynot in top-10074
Market segmentLaptopLaptop
SeriesAMD Cezanne (Zen 3, Ryzen 5000)Intel Alder Lake-M
Power efficiency43.7953.82
Architecture codenameCezanne-U PRO (Zen 3) (2021)Alder Lake-U (2022)
Release date16 March 2021 (3 years ago)23 February 2022 (2 years ago)

Detailed specifications

Ryzen 3 PRO 5450U 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 cache256 KB80K (per core)
L2 cache2 MB1.25 MB (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography7 nm10 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 PRO 5450U 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
SocketFP6Intel BGA 1744
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 3 PRO 5450U and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensionsPRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEno data
AES-NI++
FMA++
AVX++
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

Ryzen 3 PRO 5450U and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 3 PRO 5450U and Core i7-1255U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 3 PRO 5450U and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1600 MHz)Intel Iris Xe Graphics G7 96EUs ( - 1250 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 3 PRO 5450U 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 PRO 5450U 6.94
i7-1255U 8.53
+22.9%

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 PRO 5450U 11026
i7-1255U 13545
+22.8%

Gaming performance

Pros & cons summary


Performance score 6.94 8.53
Integrated graphics card 6.04 9.47
Recency 16 March 2021 23 February 2022
Physical cores 4 10
Threads 8 12
Chip lithography 7 nm 10 nm

Ryzen 3 PRO 5450U has a 42.9% more advanced lithography process.

i7-1255U, on the other hand, has a 22.9% higher aggregate performance score, 56.8% faster integrated GPU, an age advantage of 11 months, and 150% more physical cores and 50% more threads.

The Core i7-1255U is our recommended choice as it beats the Ryzen 3 PRO 5450U in performance tests.


Should you still have questions on choice between Ryzen 3 PRO 5450U and Core i7-1255U, 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.


AMD Ryzen 3 PRO 5450U
Ryzen 3 PRO 5450U
Intel Core i7-1255U
Core i7-1255U

Similar processor comparisons

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Community ratings

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


4.3 39 votes

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Questions & comments

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