Ultra 7 265 vs i7-4820K

Primary details

Comparing Core i7-4820K and Core Ultra 7 265 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1395	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.46	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	2.97	no data
Architecture codename	Ivy Bridge-E (2013)	Arrow Lake-S (2024−2025)
Release date	1 September 2013 (11 years ago)	January 2025
Launch price (MSRP)	$399	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-4820K and Core Ultra 7 265 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	4 (Quad-Core)	20 (Icosa-Core)
Threads	8	20
Base clock speed	3.7 GHz	2.4 GHz
Boost clock speed	3.9 GHz	5.3 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	112 KB (per core)
L2 cache	256 KB (per core)	3 MB (per core)
L3 cache	10 MB (shared)	30 MB (shared)
Chip lithography	22 nm	3 nm
Die size	257 mm2	243 mm2
Maximum core temperature	67 °C	no data
Number of transistors	1,860 million	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4820K and Core Ultra 7 265 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	FCLGA2011	1851
Power consumption (TDP)	130 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4820K and Core Ultra 7 265. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	+	no data
Demand Based Switching	-	no data

Security technologies

Core i7-4820K and Core Ultra 7 265 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Identity Protection	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4820K and Core Ultra 7 265 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4820K and Core Ultra 7 265. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	64 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	59.7 GB/s	no data

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 Core i7-4820K and Core Ultra 7 265.

PCIe version	3.0	5.0
PCI Express lanes	40	20

Pros & cons summary

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Physical cores	4	20
Threads	8	20
Chip lithography	22 nm	3 nm
Power consumption (TDP)	130 Watt	65 Watt

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Should you still have questions on choice between Core i7-4820K and Core Ultra 7 265, ask them in Comments section, and we shall answer.

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