EPYC 9645 vs Ultra 7 265K

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Primary details

Comparing Core Ultra 7 265K and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking79not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation97.23no data
Market segmentDesktop processorServer
Power efficiency28.72no data
Architecture codenameArrow Lake-S (2024−2025)Turin (2024)
Release date24 October 2024 (recently)10 October 2024 (recently)
Launch price (MSRP)$394$11,048

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core Ultra 7 265K and EPYC 9645 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 cores20 (Icosa-Core)96
Threads20192
Base clock speed3.9 GHz2.3 GHz
Boost clock speed5.5 GHz3.7 GHz
L1 cache112 KB (per core)80 KB (per core)
L2 cache3 MB (per core)1 MB (per core)
L3 cache30 MB (shared)256 MB (shared)
Chip lithography3 nm3 nm
Die size243 mm2no data
Number of transistors17,800 millionno data
64 bit support++
Unlocked multiplier+-

Compatibility

Information on Core Ultra 7 265K and EPYC 9645 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 configuration12
Socket1851SP5
Power consumption (TDP)125 Watt320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 265K and EPYC 9645. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
TSX+-
SIPP+-
Precision Boost 2no data+

Security technologies

Core Ultra 7 265K and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 265K and EPYC 9645 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 265K and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5 Depends on motherboardDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardArc Xe2 Graphics 64EUN/A

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 265K and EPYC 9645.

PCIe version5.05.0
PCI Express lanes20128

Pros & cons summary


Physical cores 20 96
Threads 20 192
Power consumption (TDP) 125 Watt 320 Watt

Ultra 7 265K has 156% lower power consumption.

EPYC 9645, on the other hand, has 380% more physical cores and 860% more threads.

We couldn't decide between Core Ultra 7 265K and EPYC 9645. We've got no test results to judge.

Note that Core Ultra 7 265K is a desktop processor while EPYC 9645 is a server/workstation one.


Should you still have questions on choice between Core Ultra 7 265K and EPYC 9645, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 265K
Core Ultra 7 265K
AMD EPYC 9645
EPYC 9645

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Community ratings

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