Atom x5-Z8550 vs Ultra 7 265U

VS

Aggregate performance score

Core Ultra 7 265U
2025
12 cores / 14 threads, 57 Watt
10.21
+1338%

Core Ultra 7 265U outperforms Atom x5-Z8550 by a whopping 1338% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 265U and Atom x5-Z8550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking7752740
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Seriesno data5x Intel Atom
Power efficiency17.07no data
Architecture codenameno dataCherry Trail (2015−2016)
Release date1 January 2025 (less than a year ago)8 February 2016 (8 years ago)

Detailed specifications

Core Ultra 7 265U and Atom x5-Z8550 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 cores12 (Dodeca-Core)4 (Quad-Core)
Performance-cores2no data
Efficient-cores8no data
Low Power Efficient-cores2no data
Threads144
Base clock speedno data1.44 GHz
Boost clock speed5.3 GHz2.4 GHz
L2 cacheno data2 MB
L3 cache12 MB0 KB
Chip lithographyIntel 3 nm14 nm
Maximum core temperatureno data90 °C
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Core Ultra 7 265U and Atom x5-Z8550 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)
SocketFCBGA2049UTFCBGA1380
Power consumption (TDP)57 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 265U and Atom x5-Z8550. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
Enhanced SpeedStep (EIST)no data+
Speed Shift+no data
Hyper-Threading Technology+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0--
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RT-

Security technologies

Core Ultra 7 265U and Atom x5-Z8550 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Bootno data+
Secure Key+no data
Identity Protection-+
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 265U and Atom x5-Z8550 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 265U and Atom x5-Z8550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-6400DDR3
Maximum memory size128 GB8 GB
Max memory channels22
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® GraphicsIntel HD Graphics 400 (Braswell) (200 - 600 MHz)
Max video memoryno data8 GB
Quick Sync Video+-
Graphics max frequency2.1 GHz600 MHz
Execution Unitsno data12

Graphics interfaces

Available interfaces and connections of Core Ultra 7 265U and Atom x5-Z8550 integrated GPUs.

Number of displays supported43

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 265U and Atom x5-Z8550 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)3840x2160
Max resolution over eDP3840x2400 @ 120Hz2560x1600
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core Ultra 7 265U and Atom x5-Z8550 integrated GPUs, sometimes API versions are included.

DirectX12.2no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 265U and Atom x5-Z8550.

PCIe versionno data2.0
PCI Express lanes202
PCI support4.0no data
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.

Ultra 7 265U 10.21
+1338%
Atom x5-Z8550 0.71

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.

Ultra 7 265U 16356
+1339%
Atom x5-Z8550 1137

Gaming performance

Pros & cons summary


Performance score 10.21 0.71
Recency 1 January 2025 8 February 2016
Physical cores 12 4
Threads 14 4

Ultra 7 265U has a 1338% higher aggregate performance score, an age advantage of 8 years, and 200% more physical cores and 250% more threads.

The Core Ultra 7 265U is our recommended choice as it beats the Atom x5-Z8550 in performance tests.


Should you still have questions on choice between Core Ultra 7 265U and Atom x5-Z8550, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 265U
Core Ultra 7 265U
Intel Atom x5-Z8550
Atom x5-Z8550

Other comparisons

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Community ratings

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