i7-1255U vs Atom Z612

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Primary details

Comparing Atom Z612 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated895
Place by popularitynot in top-10074
Market segmentLaptopLaptop
SeriesIntel AtomIntel Alder Lake-M
Power efficiencyno data53.75
Architecture codenameLincroft (2010−2011)Alder Lake-U (2022)
Release date4 May 2010 (14 years ago)23 February 2022 (2 years ago)

Detailed specifications

Atom Z612 and Core i7-1255U 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)10 (Deca-Core)
Threads112
Base clock speedno data1.7 GHz
Boost clock speed0.9 GHz4.7 GHz
Bus typecDMIno data
Bus rate400 MT/sno data
Multiplier9no data
L1 cache64K (per core)80K (per core)
L2 cache512 KB (per core)1.25 MB (per core)
L3 cache0 KB12 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size65.2526 mm2no data
Maximum core temperatureno data100 °C
Number of transistors140 millionno data
64 bit support-+
Windows 11 compatibility-+

Compatibility

Information on Atom Z612 and Core i7-1255U 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
SocketIntel BGA 518FCBGA1744
Power consumption (TDP)1.3 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z612 and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Deep Learning Boost-+

Security technologies

Atom Z612 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z612 and Core i7-1255U are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z612 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2DDR4, DDR5
Maximum memory size2 GB64 GB
Max memory channels12
Maximum memory bandwidth3.2 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardPowerVR SGX535Intel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Atom Z612 and Core i7-1255U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Atom Z612 and Core i7-1255U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom Z612 and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Atom Z612 and Core i7-1255U.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Recency 4 May 2010 23 February 2022
Physical cores 1 10
Threads 1 12
Power consumption (TDP) 1 Watt 15 Watt

Atom Z612 has 1400% lower power consumption.

i7-1255U, on the other hand, has an age advantage of 11 years, and 900% more physical cores and 1100% more threads.

We couldn't decide between Atom Z612 and Core i7-1255U. We've got no test results to judge.


Should you still have questions on choice between Atom Z612 and Core i7-1255U, ask them in Comments section, and we shall answer.

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Intel Atom Z612
Atom Z612
Intel Core i7-1255U
Core i7-1255U

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