Xeon W-11955M vs Atom x5-Z8500

Aggregate performance score

Atom x5-Z8500
2015
4 cores / 4 threads
0.78
Xeon W-11955M
2021
8 cores / 16 threads, 35 Watt
14.21
+1722%

Xeon W-11955M outperforms Atom x5-Z8500 by a whopping 1722% based on our aggregate benchmark results.

Primary details

Comparing Atom x5-Z8500 and Xeon W-11955M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2625506
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data48.31
Market segmentLaptopServer
Series5x Intel AtomIntel Tiger Lake
Power efficiencyno data38.42
Architecture codenameCherry Trail (2015−2016)Tiger Lake-H (2021)
Release date2 March 2015 (9 years ago)11 May 2021 (3 years ago)
Launch price (MSRP)no data$623

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Atom x5-Z8500 and Xeon W-11955M 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed1.44 GHz2.1 GHz
Boost clock speed2.24 GHz5 GHz
Bus rateno data8 GT/s
L1 cacheno data80 KB (per core)
L2 cache2 MB1.25 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography14 nm10 nm SuperFin
Die sizeno data190 mm2
Maximum core temperature90 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Atom x5-Z8500 and Xeon W-11955M 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
SocketUTFCBGA1380FCBGA1787
Power consumption (TDP)no data35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-Z8500 and Xeon W-11955M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Atom x5-Z8500 and Xeon W-11955M technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
Secure Boot+no data
Secure Keyno data+
Identity Protection+-
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-Z8500 and Xeon W-11955M are enumerated here.

VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8500 and Xeon W-11955M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size8 GB128 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s51.2 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD GraphicsIntel® UHD Graphics for 11th Gen Intel® Processors
Max video memory8 GBno data
Quick Sync Video-+
Graphics max frequency600 MHz1.45 GHz
Execution Units1232

Graphics interfaces

Available interfaces and connections of Atom x5-Z8500 and Xeon W-11955M integrated GPUs.

Number of displays supported34

Graphics image quality

Maximum display resolutions supported by Atom x5-Z8500 and Xeon W-11955M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43840x21604096x2304@60Hz
Max resolution over eDP2560x16004096x2304@60Hz
Max resolution over DisplayPortno data7680x4320@60Hz

Graphics API support

APIs supported by Atom x5-Z8500 and Xeon W-11955M integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Atom x5-Z8500 and Xeon W-11955M.

PCIe version2.04.0
PCI Express lanes220
USB revision3.0no data
Number of USB ports3no 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 x5-Z8500 0.78
Xeon W-11955M 14.21
+1722%

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 x5-Z8500 1236
Xeon W-11955M 22574
+1726%

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.

Atom x5-Z8500 171
Xeon W-11955M 2051
+1099%

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.

Atom x5-Z8500 500
Xeon W-11955M 8864
+1673%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Atom x5-Z8500 107
Xeon W-11955M 1846
+1633%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Atom x5-Z8500 36
Xeon W-11955M 230
+548%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Atom x5-Z8500 0.6
Xeon W-11955M 8.6
+1244%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Atom x5-Z8500 872
Xeon W-11955M 8815
+911%

Gaming performance

Pros & cons summary


Performance score 0.78 14.21
Recency 2 March 2015 11 May 2021
Physical cores 4 8
Threads 4 16
Chip lithography 14 nm 10 nm

Xeon W-11955M has a 1721.8% higher aggregate performance score, an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 40% more advanced lithography process.

The Xeon W-11955M is our recommended choice as it beats the Atom x5-Z8500 in performance tests.

Be aware that Atom x5-Z8500 is a notebook processor while Xeon W-11955M is a server/workstation one.


Should you still have questions on choice between Atom x5-Z8500 and Xeon W-11955M, ask them in Comments section, and we shall answer.

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Intel Atom x5-Z8500
Atom x5-Z8500
Intel Xeon W-11955M
Xeon W-11955M

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