Atom Z520 vs Celeron 1005M

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Aggregate performance score

Celeron 1005M
2013
2 cores / 2 threads, 35 Watt
0.70
+775%
Atom Z520
2008
1 core / 2 threads, 2 Watt
0.08

Celeron 1005M outperforms Atom Z520 by a whopping 775% based on our aggregate benchmark results.

Primary details

Comparing Celeron 1005M and Atom Z520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27193402
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Atom
Power efficiency1.893.79
Architecture codenameIvy Bridge (2012−2013)Silverthorne (2008−2010)
Release date1 July 2013 (11 years ago)2 April 2008 (16 years ago)
Launch price (MSRP)$86$65

Detailed specifications

Celeron 1005M and Atom Z520 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)
Threads22
Base clock speed1.9 GHz1.33 GHz
Boost clock speed1.9 GHz0.03 GHz
Bus typeno dataFSB
Bus rate5 GT/s533.33 MT/s
Multiplierno data10
L1 cache128 KB56 KB
L2 cache512 KB512 KB
L3 cache2 MB0 KB
Chip lithography22 nm45 nm
Die size94 mm224.18 mm2
Maximum core temperature105 °C90 °C
Number of transistorsno data47 Million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data0.75-1.1V

Compatibility

Information on Celeron 1005M and Atom Z520 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 configuration11 (Uniprocessor)
SocketFCPGA988PBGA441
Power consumption (TDP)35 Watt2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 1005M and Atom Z520. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology--
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

Celeron 1005M and Atom Z520 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 1005M and Atom Z520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 1005M and Atom Z520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for 3rd Generation Intel Processors-
Clear Video--
Clear Video HD--
Graphics max frequency1 GHz-
InTru 3D--

Graphics interfaces

Available interfaces and connections of Celeron 1005M and Atom Z520 integrated GPUs.

Number of displays supported3-
eDP+-
DisplayPort+-
HDMI+-
SDVO+-
CRT+-

Peripherals

Specifications and connection of peripherals supported by Celeron 1005M and Atom Z520.

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.

Celeron 1005M 0.70
+775%
Atom Z520 0.08

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 1005M 1109
+809%
Atom Z520 122

Gaming performance

Pros & cons summary


Performance score 0.70 0.08
Recency 1 July 2013 2 April 2008
Physical cores 2 1
Chip lithography 22 nm 45 nm
Power consumption (TDP) 35 Watt 2 Watt

Celeron 1005M has a 775% higher aggregate performance score, an age advantage of 5 years, 100% more physical cores, and a 104.5% more advanced lithography process.

Atom Z520, on the other hand, has 1650% lower power consumption.

The Celeron 1005M is our recommended choice as it beats the Atom Z520 in performance tests.


Should you still have questions on choice between Celeron 1005M and Atom Z520, ask them in Comments section, and we shall answer.

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Intel Celeron 1005M
Celeron 1005M
Intel Atom Z520
Atom Z520

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

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


3.2 254 votes

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2.6 27 votes

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Questions & comments

Here you can ask a question about Celeron 1005M or Atom Z520, agree or disagree with our judgements, or report an error or mismatch.