Core i7-1255U vs Mobile Pentium 4 HT 518

Primary details

Comparing Mobile Pentium 4 HT 518 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot rated809
Place by popularitynot in top-10088
Market segmentLaptopLaptop
Seriesno dataIntel Alder Lake-M
Architecture codenamePrescott (2001−2005)Alder Lake-U (2022)
Release dateJune 2004 (20 years ago)4 January 2022 (2 years ago)

Detailed specifications

Mobile Pentium 4 HT 518 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)
Threads212
Base clock speedno data1.7 GHz
Boost clock speed2.8 GHz4.7 GHz
L1 cache8 KB928 KB
L2 cache1 MB9.5 MB
L3 cache0 KB12 MB
Chip lithography90 nm10 nm
Die size112 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)75 °Cno data
Number of transistors125 millionno data
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplierNoNo

Compatibility

Information on Mobile Pentium 4 HT 518 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 configuration11
Socket478BGA1744
Power consumption (TDP)88 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Pentium 4 HT 518 and Core i7-1255U. You'll probably need this information if you require some particular technology.

AES-NIno data+
FMAno data+
AVXno data+
Enhanced SpeedStep (EIST)no data+
Hyper-Threading Technology+no data
TSXno data+

Security technologies

Mobile Pentium 4 HT 518 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Pentium 4 HT 518 and Core i7-1255U are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Pentium 4 HT 518 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2DDR4, DDR5
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel Iris Xe Graphics G7 96EUs

Peripherals

Specifications and connection of peripherals supported by Mobile Pentium 4 HT 518 and Core i7-1255U.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 1 10
Threads 2 12
Chip lithography 90 nm 10 nm
Power consumption (TDP) 88 Watt 15 Watt

i7-1255U has 900% more physical cores and 500% more threads, a 800% more advanced lithography process, and 486.7% lower power consumption.

We couldn't decide between Mobile Pentium 4 HT 518 and Core i7-1255U. We've got no test results to judge.


Should you still have questions on choice between Mobile Pentium 4 HT 518 and Core i7-1255U, ask them in Comments section, and we shall answer.

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Intel Mobile Pentium 4 HT 518
Mobile Pentium 4 HT 518
Intel Core i7-1255U
Core i7-1255U

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