Intel Atom x5-Z8500 vs Celeron 3865U

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Combined performance score

Celeron 3865U
0.86
+7.5%

Celeron 3865U outperforms Atom x5-Z8500 by 7% in our combined benchmark results.

General info

Comparing Celeron 3865U and Atom x5-Z8500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking24222465
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Celeron5x Intel Atom
Architecture codenameKaby Lake-UCherry Trail (2016)
Release date3 January 2017 (7 years old)2 March 2015 (9 years old)
Launch price (MSRP)$107no data
Current price$296 (2.8x MSRP)$191

Technical specs

Celeron 3865U and Atom x5-Z8500 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)4 (Quad-Core)
Threads24
Base clock speed1.8 GHz1.44 GHz
Boost clock speed1.8 GHz2.24 GHz
L1 cache64K (per core)no data
L2 cache256K (per core)2 MB
L3 cache2 MB (shared)0 KB
Chip lithography14 nm14 nm
Die size98.7 mm2no data
Maximum core temperature100 °C90 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Celeron 3865U and Atom x5-Z8500 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)
SocketFCBGA1356,FPBGA1356UTFCBGA1380
Power consumption (TDP)15 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3865U and Atom x5-Z8500. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI++
AVX+no data
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
TSX-no data
Idle States+no data
Thermal Monitoring+no data
Flex Memory Access+no data
SIPP-no data
Smart Response+no data
StatusDiscontinuedDiscontinued

Security technologies

Celeron 3865U and Atom x5-Z8500 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Bootno data+
Secure Key+no data
MPX+no data
Identity Protectionno data+
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3865U and Atom x5-Z8500 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3865U and Atom x5-Z8500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4, DDR3DDR3
Maximum memory size32 GB8 GB
Max memory channels22
Maximum memory bandwidth34.1 GB/s25.6 GB/s
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 610Intel HD Graphics
Max video memory32 GB8 GB
Quick Sync Video+no data
Clear Video+no data
Clear Video HD+no data
Graphics max frequency900 MHz600 MHz
Execution Unitsno data12

Graphics interfaces

Available interfaces and connections of Celeron 3865U and Atom x5-Z8500 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+no data
HDMI+no data
DVI+no data

Graphics image quality

Maximum display resolutions supported by Celeron 3865U and Atom x5-Z8500 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hz3840x2160
Max resolution over eDP4096x2304@60Hz2560x1600
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Celeron 3865U and Atom x5-Z8500 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Celeron 3865U and Atom x5-Z8500.

PCIe version2.02.0
PCI Express lanes102
USB revisionno data3.0
Number of USB portsno data3

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 3865U 0.86
+7.5%
Atom x5-Z8500 0.80

Celeron 3865U outperforms Atom x5-Z8500 by 7% in our combined benchmark results.


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.

Benchmark coverage: 68%

Celeron 3865U 1316
+6.5%
Atom x5-Z8500 1236

Celeron 3865U outperforms Atom x5-Z8500 by 6% in Passmark.

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.

Benchmark coverage: 42%

Celeron 3865U 392
+129%
Atom x5-Z8500 171

Celeron 3865U outperforms Atom x5-Z8500 by 129% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Celeron 3865U 692
+41.8%
Atom x5-Z8500 488

Celeron 3865U outperforms Atom x5-Z8500 by 42% in GeekBench 5 Multi-Core.

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.

Benchmark coverage: 20%

Celeron 3865U 2853
+145%
Atom x5-Z8500 1166

Celeron 3865U outperforms Atom x5-Z8500 by 145% in Cinebench 10 32-bit single-core.

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.

Benchmark coverage: 19%

Celeron 3865U 5425
+52.3%
Atom x5-Z8500 3563

Celeron 3865U outperforms Atom x5-Z8500 by 52% in Cinebench 10 32-bit multi-core.

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.

Benchmark coverage: 17%

Celeron 3865U 2
+25.8%
Atom x5-Z8500 1

Celeron 3865U outperforms Atom x5-Z8500 by 26% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

Celeron 3865U 142
+33.3%
Atom x5-Z8500 107

Celeron 3865U outperforms Atom x5-Z8500 by 33% in Cinebench 15 64-bit multi-core.

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.

Benchmark coverage: 15%

Celeron 3865U 72
+103%
Atom x5-Z8500 36

Celeron 3865U outperforms Atom x5-Z8500 by 103% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

Celeron 3865U 0.86
+100%
Atom x5-Z8500 0.43

Celeron 3865U outperforms Atom x5-Z8500 by 100% in Cinebench 11.5 64-bit single-core.

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.

Benchmark coverage: 13%

Celeron 3865U 0.8
+26.6%
Atom x5-Z8500 0.6

Celeron 3865U outperforms Atom x5-Z8500 by 27% in TrueCrypt AES.

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.

Benchmark coverage: 13%

Celeron 3865U 1108
+27.1%
Atom x5-Z8500 872

Celeron 3865U outperforms Atom x5-Z8500 by 27% in WinRAR 4.0.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

Celeron 3865U 54
+48.8%
Atom x5-Z8500 37

Celeron 3865U outperforms Atom x5-Z8500 by 49% in x264 encoding pass 1.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

Celeron 3865U 11
+49.6%
Atom x5-Z8500 7

Celeron 3865U outperforms Atom x5-Z8500 by 50% in x264 encoding pass 2.

Geekbench 3 32-bit single-core

Benchmark coverage: 5%

Celeron 3865U 1843
+115%
Atom x5-Z8500 859

Celeron 3865U outperforms Atom x5-Z8500 by 115% in Geekbench 3 32-bit single-core.

Geekbench 3 32-bit multi-core

Benchmark coverage: 5%

Celeron 3865U 3224
+31.4%
Atom x5-Z8500 2455

Celeron 3865U outperforms Atom x5-Z8500 by 31% in Geekbench 3 32-bit multi-core.

Gaming performance

Advantages and disadvantages


Performance score 0.86 0.80
Integrated graphics card 1.84
Recency 3 January 2017 2 March 2015
Physical cores 2 4
Threads 2 4

We couldn't decide between Celeron 3865U and Atom x5-Z8500. The differences in performance seem too small.


Should you still have questions on choice between Celeron 3865U and Atom x5-Z8500, ask them in Comments section, and we shall answer.

User ratings

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Intel Celeron 3865U
Celeron 3865U
Intel Atom x5-Z8500
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