Ryzen 7 PRO 8840HS vs i7-1255U

VS

Aggregate performance score

Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53
Ryzen 7 PRO 8840HS
2024
8 cores / 16 threads, 28 Watt
16.93
+98.5%

Ryzen 7 PRO 8840HS outperforms Core i7-1255U by an impressive 98% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1255U and Ryzen 7 PRO 8840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking896387
Place by popularity74not in top-100
Market segmentLaptopServer
SeriesIntel Alder Lake-Mno data
Power efficiency53.7857.19
Architecture codenameAlder Lake-U (2022)Hawk Point (2024)
Release date23 February 2022 (2 years ago)16 April 2024 (less than a year ago)

Detailed specifications

Core i7-1255U and Ryzen 7 PRO 8840HS 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)8 (Octa-Core)
Threads1216
Base clock speed1.7 GHz3.3 GHz
Boost clock speed4.7 GHz5.1 GHz
L1 cache80K (per core)64 KB (per core)
L2 cache1.25 MB (per core)1 MB (per core)
L3 cache12 MB (shared)16 MB (shared)
Chip lithography10 nm4 nm
Die sizeno data178 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i7-1255U and Ryzen 7 PRO 8840HS 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
SocketIntel BGA 1744FP7
Power consumption (TDP)15 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1255U and Ryzen 7 PRO 8840HS. You'll probably need this information if you require some particular technology.

AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)+no data
TSX+-
Precision Boost 2no data+

Security technologies

Core i7-1255U and Ryzen 7 PRO 8840HS technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1255U and Ryzen 7 PRO 8840HS are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Ryzen 7 PRO 8840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Xe Graphics G7 96EUs ( - 1250 MHz)AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Core i7-1255U and Ryzen 7 PRO 8840HS.

PCIe version4.04.0
PCI Express lanes2020

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 8.53
Ryzen 7 PRO 8840HS 16.93
+98.5%

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 13544
Ryzen 7 PRO 8840HS 26897
+98.6%

Gaming performance

Pros & cons summary


Performance score 8.53 16.93
Integrated graphics card 9.47 18.32
Recency 23 February 2022 16 April 2024
Physical cores 10 8
Threads 12 16
Chip lithography 10 nm 4 nm
Power consumption (TDP) 15 Watt 28 Watt

i7-1255U has 25% more physical cores, and 86.7% lower power consumption.

Ryzen 7 PRO 8840HS, on the other hand, has a 98.5% higher aggregate performance score, 93.5% faster integrated GPU, an age advantage of 2 years, 33.3% more threads, and a 150% more advanced lithography process.

The Ryzen 7 PRO 8840HS is our recommended choice as it beats the Core i7-1255U in performance tests.

Be aware that Core i7-1255U is a notebook processor while Ryzen 7 PRO 8840HS is a server/workstation one.


Should you still have questions on choice between Core i7-1255U and Ryzen 7 PRO 8840HS, 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.


Intel Core i7-1255U
Core i7-1255U
AMD Ryzen 7 PRO 8840HS
Ryzen 7 PRO 8840HS

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Community ratings

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


3.7 823 votes

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Questions & comments

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