Ultra 7 265K vs Pentium 1405

Primary details

Comparing Pentium 1405 and Core Ultra 7 265K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	86
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	89.87
Market segment	Server	Desktop processor
Power efficiency	no data	28.22
Architecture codename	no data	Arrow Lake-S (2024−2025)
Release date	1 April 2012 (12 years ago)	24 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$394

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium 1405 and Core Ultra 7 265K 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	2 (Dual-core)	20 (Icosa-Core)
Threads	2	20
Base clock speed	1.2 GHz	3.9 GHz
Boost clock speed	1.8 GHz	5.5 GHz
Bus rate	0 GT/s	no data
L1 cache	no data	112 KB (per core)
L2 cache	no data	3 MB (per core)
L3 cache	5 MB Intel® Smart Cache	30 MB (shared)
Chip lithography	32 nm	3 nm
Die size	no data	243 mm2
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Pentium 1405 and Core Ultra 7 265K 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	FCLGA1356	1851
Power consumption (TDP)	40 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 1405 and Core Ultra 7 265K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	-	+
Demand Based Switching	+	no data

Security technologies

Pentium 1405 and Core Ultra 7 265K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 1405 and Core Ultra 7 265K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 1405 and Core Ultra 7 265K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5 Depends on motherboard
Maximum memory size	375 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Arc Xe2 Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Pentium 1405 and Core Ultra 7 265K.

PCIe version	3.0	5.0
PCI Express lanes	24	20

Pros & cons summary

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Recency	1 April 2012	24 October 2024
Physical cores	2	20
Threads	2	20
Chip lithography	32 nm	3 nm
Power consumption (TDP)	40 Watt	125 Watt

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