M-5Y51 vs i5-2520M

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Aggregate performance score

Core i5-2520M
2011
2 cores / 4 threads, 35 Watt
1.41
+11%
Core M-5Y51
2014
2 cores / 4 threads, 4 Watt
1.27

Core i5-2520M outperforms Core M-5Y51 by a moderate 11% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2520M and Core M-5Y51 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22212301
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Core M
Power efficiency3.8124.04
Architecture codenameSandy Bridge (2011−2013)Broadwell-Y (2014)
Release date1 February 2011 (13 years ago)27 October 2014 (10 years ago)
Launch price (MSRP)$225no data

Detailed specifications

Core i5-2520M and Core M-5Y51 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)2 (Dual-core)
Threads44
Base clock speed2.5 GHz1.1 GHz
Boost clock speed3.2 GHz2.6 GHz
Bus typeDMI 2.0DMI 2.0
Bus rate4 × 5 GT/sno data
Multiplier2511
L1 cache128 KB64K (per core)
L2 cache512 KB256K (per core)
L3 cache3 MB (shared)4 MB (shared)
Chip lithography32 nm14 nm
Die size149 mm250 mm2
Maximum core temperature100 °C95 °C
Number of transistors624 million1300 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i5-2520M and Core M-5Y51 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
SocketPPGA988FCBGA1234
Power consumption (TDP)35 Watt4.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2520M and Core M-5Y51. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access++
Smart Responseno data+
Demand Based Switching-no data
FDI++
Fast Memory Access++

Security technologies

Core i5-2520M and Core M-5Y51 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
Identity Protection++
OS Guardno data+
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2520M and Core M-5Y51 are enumerated here.

AMD-V++
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2520M and Core M-5Y51. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel HD Graphics 5300
Max video memoryno data16 GB
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.3 GHz900 MHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i5-2520M and Core M-5Y51 integrated GPUs.

Number of displays supported23
eDP++
DisplayPort++
HDMI++
SDVO+no data
CRT+no data

Graphics image quality

Maximum display resolutions supported by Core i5-2520M and Core M-5Y51 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data2560x1600@60Hz
Max resolution over DisplayPortno data2560x1600@60Hz

Graphics API support

APIs supported by Core i5-2520M and Core M-5Y51 integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core i5-2520M and Core M-5Y51.

PCIe version2.02.0
PCI Express lanes1612

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.

i5-2520M 1.41
+11%
M-5Y51 1.27

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.

i5-2520M 2237
+11%
M-5Y51 2016

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.

i5-2520M 470
M-5Y51 655
+39.4%

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.

i5-2520M 934
M-5Y51 1122
+20.1%

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.

i5-2520M 4041
+26.7%
M-5Y51 3190

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.

i5-2520M 8815
+66.6%
M-5Y51 5291

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i5-2520M 3542
+66.5%
M-5Y51 2127

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.

i5-2520M 18
+44.1%
M-5Y51 25.94

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.

i5-2520M 3
+73.3%
M-5Y51 2

Gaming performance

Pros & cons summary


Performance score 1.41 1.27
Integrated graphics card 0.66 1.04
Recency 1 February 2011 27 October 2014
Chip lithography 32 nm 14 nm
Power consumption (TDP) 35 Watt 4 Watt

i5-2520M has a 11% higher aggregate performance score.

M-5Y51, on the other hand, has 57.6% faster integrated GPU, an age advantage of 3 years, a 128.6% more advanced lithography process, and 775% lower power consumption.

The Core i5-2520M is our recommended choice as it beats the Core M-5Y51 in performance tests.


Should you still have questions on choice between Core i5-2520M and Core M-5Y51, ask them in Comments section, and we shall answer.

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Intel Core i5-2520M
Core i5-2520M
Intel Core M-5Y51
Core M-5Y51

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Community ratings

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Questions & comments

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