i5-1235U vs Celeron M 520

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Aggregate performance score

Celeron M 520
1 core / 1 thread, 30 Watt
0.15
Core i5-1235U
2022
10 cores / 12 threads, 15 Watt
8.40
+5500%

Core i5-1235U outperforms Celeron M 520 by a whopping 5500% based on our aggregate benchmark results.

Primary details

Comparing Celeron M 520 and Core i5-1235U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3318908
Place by popularitynot in top-10018
Market segmentLaptopLaptop
SeriesCeleron MIntel Alder Lake-M
Power efficiency0.4752.96
Architecture codenameMerom (2006−2008)Alder Lake-U (2022)
Release dateno data23 February 2022 (2 years ago)

Detailed specifications

Celeron M 520 and Core i5-1235U 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 cores1 (Single-Core)10 (Deca-Core)
Threads112
Base clock speed1.6 GHz1.3 GHz
Boost clock speed1.6 GHz4.4 GHz
Bus rate533 MHzno data
L1 cacheno data80K (per core)
L2 cacheno data1.25 MB (per core)
L3 cache1 MB L2 Cache12 MB (shared)
Chip lithography65 nmIntel 7 nm
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility-+
VID voltage range0.95V-1.3Vno data

Compatibility

Information on Celeron M 520 and Core i5-1235U 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 configurationno data1
SocketPPGA478FCBGA1744
Power consumption (TDP)30 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 520 and Core i5-1235U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)-+
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
TSX-+
Idle States-no data
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switching-no data
FSB parity-no data
Deep Learning Boost-+

Security technologies

Celeron M 520 and Core i5-1235U technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron M 520 and Core i5-1235U are enumerated here.

VT-dno data+
VT-x-+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M 520 and Core i5-1235U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.2 GHz
Execution Unitsno data80

Graphics interfaces

Available interfaces and connections of Celeron M 520 and Core i5-1235U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Celeron M 520 and Core i5-1235U 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 Celeron M 520 and Core i5-1235U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Celeron M 520 and Core i5-1235U.

PCIe versionno data4.0
PCI Express lanesno data20

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.

Celeron M 520 0.15
i5-1235U 8.40
+5500%

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.

Celeron M 520 239
i5-1235U 13343
+5483%

Gaming performance

Pros & cons summary


Performance score 0.15 8.40
Physical cores 1 10
Threads 1 12
Power consumption (TDP) 30 Watt 15 Watt

i5-1235U has a 5500% higher aggregate performance score, 900% more physical cores and 1100% more threads, and 100% lower power consumption.

The Core i5-1235U is our recommended choice as it beats the Celeron M 520 in performance tests.


Should you still have questions on choice between Celeron M 520 and Core i5-1235U, ask them in Comments section, and we shall answer.

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Intel Celeron M 520
Celeron M 520
Intel Core i5-1235U
Core i5-1235U

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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

Here you can ask a question about Celeron M 520 or Core i5-1235U, agree or disagree with our judgements, or report an error or mismatch.