Core i7-1255U vs Atom Z2480

Primary details

Comparing Atom Z2480 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	823
Place by popularity	not in top-100	88
Market segment	Laptop	Laptop
Series	no data	Intel Alder Lake-M
Architecture codename	Penwell (2012−2013)	Alder Lake-U (2022)
Release date	1 January 2013 (11 years ago)	4 January 2022 (2 years ago)

Detailed specifications

Atom Z2480 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 cores	1 (Single-Core)	10 (Deca-Core)
Threads	2	12
Base clock speed	no data	1.7 GHz
Boost clock speed	1.4 GHz	4.7 GHz
L1 cache	64K (per core)	928 KB
L2 cache	512K (per core)	9.5 MB
L3 cache	0 KB	12 MB
Chip lithography	32 nm	10 nm
Die size	65 mm2	no data
Maximum core temperature	no data	100 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Atom Z2480 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 configuration	1	1
Socket	Intel BGA 617	BGA1744
Power consumption (TDP)	3 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z2480 and Core i7-1255U. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
TSX	no data	+

Security technologies

Atom Z2480 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z2480 and Core i7-1255U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z2480 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4, DDR5
Maximum memory bandwidth	6.4 GB/s	no data
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX540 (400 MHz)

Intel Iris Xe Graphics G7 96EUs

Peripherals

Specifications and connection of peripherals supported by Atom Z2480 and Core i7-1255U.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Recency	1 January 2013	4 January 2022
Physical cores	1	10
Threads	2	12
Chip lithography	32 nm	10 nm
Power consumption (TDP)	3 Watt	15 Watt

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