Ultra 7 258V vs Pentium III 1266S

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Primary details

Comparing Pentium III 1266S and Core Ultra 7 258V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated607
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiencyno data68.87
Architecture codenameTualatin (2000−2002)Lunar Lake (2024)
Release dateJuly 2001 (23 years ago)24 September 2024 (recently)

Detailed specifications

Pentium III 1266S and Core Ultra 7 258V 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)8 (Octa-Core)
Threads18
Base clock speedno data2.2 GHz
Boost clock speed1.27 GHz4.8 GHz
L1 cache8 KB192 KB (per core)
L2 cache512 KB2.5 MB (per core)
L3 cache0 KB12 MB (shared)
Chip lithography130 nm3 nm
Die size80 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)69 °Cno data
Number of transistors44 millionno data
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Pentium III 1266S and Core Ultra 7 258V 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
Socket370Intel BGA 2833
Power consumption (TDP)30 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 1266S and Core Ultra 7 258V. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium III 1266S and Core Ultra 7 258V technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium III 1266S and Core Ultra 7 258V are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 1266S and Core Ultra 7 258V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataArc 140V

Peripherals

Specifications and connection of peripherals supported by Pentium III 1266S and Core Ultra 7 258V.

PCIe versionno data5.0
PCI Express lanesno data4

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.



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.

Pentium III 1266S 309
Ultra 7 258V 19644
+6257%

Pros & cons summary


Physical cores 1 8
Threads 1 8
Chip lithography 130 nm 3 nm
Power consumption (TDP) 30 Watt 17 Watt

Ultra 7 258V has 700% more physical cores and 700% more threads, a 4233.3% more advanced lithography process, and 76.5% lower power consumption.

We couldn't decide between Pentium III 1266S and Core Ultra 7 258V. We've got no test results to judge.

Note that Pentium III 1266S is a desktop processor while Core Ultra 7 258V is a notebook one.


Should you still have questions on choice between Pentium III 1266S and Core Ultra 7 258V, ask them in Comments section, and we shall answer.

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Intel Pentium III 1266S
Pentium III 1266S
Intel Core Ultra 7 258V
Core Ultra 7 258V

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3 2 votes

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3.3 6 votes

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Questions & comments

Here you can ask a question about Pentium III 1266S or Core Ultra 7 258V, agree or disagree with our judgements, or report an error or mismatch.