Celeron 2957U vs i5-2520M

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Aggregate performance score

Core i5-2520M
2011
2 cores / 4 threads, 35 Watt
1.41
+161%
Celeron 2957U
2014
2 cores / 2 threads, 15 Watt
0.54

Core i5-2520M outperforms Celeron 2957U by a whopping 161% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2520M and Celeron 2957U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22202854
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Celeron
Power efficiency3.813.40
Architecture codenameSandy Bridge (2011−2013)Haswell (2013−2015)
Release date1 February 2011 (13 years ago)1 January 2014 (10 years ago)
Launch price (MSRP)$225$107

Detailed specifications

Core i5-2520M and Celeron 2957U 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)
Threads42
Base clock speed2.5 GHz1.4 GHz
Boost clock speed3.2 GHz1.4 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s5 GT/s
Multiplier25no data
L1 cache64K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache3 MB (shared)2 MB
Chip lithography32 nm22 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Number of transistors624 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i5-2520M and Celeron 2957U 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
SocketPPGA988FCBGA1168
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2520M and Celeron 2957U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2
AES-NI+-
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Responseno data-
Demand Based Switching-no data
GPIOno data+
Smart Connectno data+
FDI+-
Fast Memory Access+no data
AMTno data9.5
Matrix Storageno data-
HD Audiono data+
RSTno data+

Security technologies

Core i5-2520M and Celeron 2957U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
Identity Protection+-
OS Guardno data-
Anti-Theft+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2520M and Celeron 2957U 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 Celeron 2957U. 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 for 4th Generation Intel Processors
Quick Sync Video++
Clear Videono data+
Clear Video HD+no data
Graphics max frequency1.3 GHz1 GHz
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2520M and Celeron 2957U integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Core i5-2520M and Celeron 2957U.

PCIe version2.02.0
PCI Express lanes1610
PCI supportno data-
USB revisionno data3.0
Total number of SATA portsno data2
Max number of SATA 6 Gb/s Portsno data2
Integrated IDEno data-
Number of USB portsno data4
Integrated LANno data-
UARTno data+

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
+161%
Celeron 2957U 0.54

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
+162%
Celeron 2957U 855

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
+94.5%
Celeron 2957U 2077

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
+118%
Celeron 2957U 4043

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
+197%
Celeron 2957U 53.5

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
+138%
Celeron 2957U 1

Gaming performance

Pros & cons summary


Performance score 1.41 0.54
Integrated graphics card 0.66 0.77
Recency 1 February 2011 1 January 2014
Threads 4 2
Chip lithography 32 nm 22 nm
Power consumption (TDP) 35 Watt 15 Watt

i5-2520M has a 161.1% higher aggregate performance score, and 100% more threads.

Celeron 2957U, on the other hand, has 16.7% faster integrated GPU, an age advantage of 2 years, a 45.5% more advanced lithography process, and 133.3% lower power consumption.

The Core i5-2520M is our recommended choice as it beats the Celeron 2957U in performance tests.


Should you still have questions on choice between Core i5-2520M and Celeron 2957U, 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 i5-2520M
Core i5-2520M
Intel Celeron 2957U
Celeron 2957U

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Community ratings

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Questions & comments

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