Atom Z500 vs i5-2520M

VS

Aggregate performance score

Core i5-2520M
2011
2 cores / 4 threads, 35 Watt
1.41
+781%

Core i5-2520M outperforms Atom Z500 by a whopping 781% based on our aggregate benchmark results.

Primary details

Comparing Core i5-2520M and Atom Z500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22213299
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Atom
Power efficiency3.8123.30
Architecture codenameSandy Bridge (2011−2013)Silverthorne (2008−2010)
Release date1 February 2011 (13 years ago)2 April 2008 (16 years ago)
Launch price (MSRP)$225$45

Detailed specifications

Core i5-2520M and Atom Z500 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)1 (Single-Core)
Threads41
Base clock speed2.5 GHzno data
Boost clock speed3.2 GHz0.8 GHz
Bus typeDMI 2.0FSB
Bus rate4 × 5 GT/s400 MT/s
Multiplier258
L1 cache64K (per core)56 KB
L2 cache256K (per core)512 KB
L3 cache3 MB (shared)0 KB
Chip lithography32 nm45 nm
Die size149 mm224.18 mm2
Maximum core temperature100 °C90 °C
Number of transistors624 million47 Million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data0.80 -1.1V

Compatibility

Information on Core i5-2520M and Atom Z500 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 (Uniprocessor)
SocketPPGA988PBGA441
Power consumption (TDP)35 Watt0.65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2520M and Atom Z500. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE2, Intel® SSE3, Intel® SSSE3
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
Demand Based Switching-+
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Core i5-2520M and Atom Z500 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2520M and Atom Z500 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2520M and Atom Z500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000-
Quick Sync Video+-
Clear Video HD+-
Graphics max frequency1.3 GHz-
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i5-2520M and Atom Z500 integrated GPUs.

Number of displays supported2-
eDP+-
DisplayPort+-
HDMI+-
SDVO+-
CRT+-

Peripherals

Specifications and connection of peripherals supported by Core i5-2520M and Atom Z500.

PCIe version2.0no data
PCI Express lanes16no 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
+781%
Atom Z500 0.16

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
+539%
Atom Z500 115

Gaming performance

Pros & cons summary


Performance score 1.41 0.16
Recency 1 February 2011 2 April 2008
Physical cores 2 1
Threads 4 1
Chip lithography 32 nm 45 nm

i5-2520M has a 781.3% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 300% more threads, and a 40.6% more advanced lithography process.

The Core i5-2520M is our recommended choice as it beats the Atom Z500 in performance tests.


Should you still have questions on choice between Core i5-2520M and Atom Z500, ask them in Comments section, and we shall answer.

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Intel Core i5-2520M
Core i5-2520M
Intel Atom Z500
Atom Z500

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Community ratings

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


3.7 543 votes

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Questions & comments

Here you can ask a question about Core i5-2520M or Atom Z500, agree or disagree with our judgements, or report an error or mismatch.