Xeon D-1813NT vs Atom Z520

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Aggregate performance score

Atom Z520
2008
1 core / 2 threads, 2 Watt
0.08
Xeon D-1813NT
2023
4 cores / 8 threads, 42 Watt
4.87
+5988%

Xeon D-1813NT outperforms Atom Z520 by a whopping 5988% based on our aggregate benchmark results.

Primary details

Comparing Atom Z520 and Xeon D-1813NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking34021247
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Atomno data
Power efficiency3.7810.97
Architecture codenameSilverthorne (2008−2010)no data
Release date2 April 2008 (16 years ago)1 October 2023 (1 year ago)
Launch price (MSRP)$65no data

Detailed specifications

Atom Z520 and Xeon D-1813NT 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 cores1 (Single-Core)4 (Quad-Core)
Threads28
Base clock speed1.33 GHz2.2 GHz
Boost clock speed0.03 GHz2.4 GHz
Bus typeFSBno data
Bus rate533.33 MT/sno data
Multiplier10no data
L1 cache56 KBno data
L2 cache512 KBno data
L3 cache0 KB10240 KB
Chip lithography45 nmno data
Die size24.18 mm2no data
Maximum core temperature90 °Cno data
Number of transistors47 Millionno data
64 bit support-+
Windows 11 compatibility-no data
VID voltage range0.75-1.1Vno data

Compatibility

Information on Atom Z520 and Xeon D-1813NT 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)no data
SocketPBGA441FCBGA2227
Power consumption (TDP)2 Watt42 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z520 and Xeon D-1813NT. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE2, Intel® SSE3, Intel® SSSE3Intel® AVX-512
AES-NI-+
Enhanced SpeedStep (EIST)++
QuickAssistno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology++
Idle States+no data
Thermal Monitoring++
Demand Based Switching+no data
FSB parity-no data
Deep Learning Boost-+

Security technologies

Atom Z520 and Xeon D-1813NT technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
SGXno dataYes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z520 and Xeon D-1813NT are enumerated here.

VT-d-+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z520 and Xeon D-1813NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data256 GB
Max memory channelsno data2
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Atom Z520 and Xeon D-1813NT.

PCIe versionno data4.0
PCI Express lanesno data16
USB revisionno data3.0
Max number of SATA 6 Gb/s Portsno data24
Number of USB portsno data4
Integrated LANno 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.

Atom Z520 0.08
Xeon D-1813NT 4.87
+5988%

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.

Atom Z520 122
Xeon D-1813NT 7732
+6238%

Gaming performance

Pros & cons summary


Performance score 0.08 4.87
Recency 2 April 2008 1 October 2023
Physical cores 1 4
Threads 2 8
Power consumption (TDP) 2 Watt 42 Watt

Atom Z520 has 2000% lower power consumption.

Xeon D-1813NT, on the other hand, has a 5987.5% higher aggregate performance score, an age advantage of 15 years, and 300% more physical cores and 300% more threads.

The Xeon D-1813NT is our recommended choice as it beats the Atom Z520 in performance tests.

Be aware that Atom Z520 is a notebook processor while Xeon D-1813NT is a server/workstation one.


Should you still have questions on choice between Atom Z520 and Xeon D-1813NT, ask them in Comments section, and we shall answer.

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Intel Atom Z520
Atom Z520
Intel Xeon D-1813NT
Xeon D-1813NT

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Community ratings

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