i3-1215U vs i5-520M

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Aggregate performance score

Core i5-520M
2010
2 cores / 4 threads, 35 Watt
1.08
Core i3-1215U
2022
6 cores / 8 threads, 15 Watt
6.82
+531%

Core i3-1215U outperforms Core i5-520M by a whopping 531% based on our aggregate benchmark results.

Primary details

Comparing Core i5-520M and Core i3-1215U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24191029
Place by popularitynot in top-10017
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Alder Lake-M
Power efficiency2.9243.06
Architecture codenameArrandale (2010−2011)Alder Lake-U (2022)
Release date7 January 2010 (14 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$225no data

Detailed specifications

Core i5-520M and Core i3-1215U 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 cores2 (Dual-core)6 (Hexa-Core)
Threads48
Base clock speed2.4 GHz1.2 GHz
Boost clock speed2.93 GHz4.4 GHz
Bus typeDMI 1.0no data
Bus rate1 × 2.5 GT/sno data
Multiplier18no data
L1 cache128 KB80K (per core)
L2 cache512 KB1.25 MB (per core)
L3 cache3 MB10 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size81+114 mm2no data
Maximum core temperature105 °C100 °C
Number of transistors382+177 Millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i5-520M and Core i3-1215U 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 configuration1 (Uniprocessor)1
SocketBGA1288,PGA988FCBGA1744
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-520M and Core i3-1215U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA++
AVX-+
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology+no data
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Access++
PAE36 Bitno data
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i5-520M and Core i3-1215U 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 Core i5-520M and Core i3-1215U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-520M and Core i3-1215U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066DDR4, DDR5
Maximum memory size8.3 GB64 GB
Max memory channels22
Maximum memory bandwidth17.051 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics for Previous Generation Intel ProcessorsIntel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video-+
Clear Video+no data
Clear Video HD+no data
Graphics max frequency766 MHz1.1 GHz
Execution Unitsno data64

Graphics interfaces

Available interfaces and connections of Core i5-520M and Core i3-1215U integrated GPUs.

Number of displays supported24

Graphics image quality

Maximum display resolutions supported by Core i5-520M and Core i3-1215U 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 Core i5-520M and Core i3-1215U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-520M and Core i3-1215U.

PCIe version2.04.0
PCI Express lanes1620

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.

i5-520M 1.08
i3-1215U 6.82
+531%

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.

i5-520M 1719
i3-1215U 10827
+530%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-520M 361
i3-1215U 1844
+411%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-520M 698
i3-1215U 4885
+600%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i5-520M 3046
i3-1215U 7879
+159%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i5-520M 6753
i3-1215U 19430
+188%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-520M 19.99
i3-1215U 3.41
+486%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i5-520M 2
i3-1215U 11
+406%

Gaming performance

Pros & cons summary


Performance score 1.08 6.82
Integrated graphics card 0.77 5.58
Recency 7 January 2010 23 February 2022
Physical cores 2 6
Threads 4 8
Power consumption (TDP) 35 Watt 15 Watt

i3-1215U has a 531.5% higher aggregate performance score, 624.7% faster integrated GPU, an age advantage of 12 years, 200% more physical cores and 100% more threads, and 133.3% lower power consumption.

The Core i3-1215U is our recommended choice as it beats the Core i5-520M in performance tests.


Should you still have questions on choice between Core i5-520M and Core i3-1215U, ask them in Comments section, and we shall answer.

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Intel Core i5-520M
Core i5-520M
Intel Core i3-1215U
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Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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Questions & comments

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