Ultra 7 266V vs EPYC 7643

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Primary details

Comparing EPYC 7643 and Core Ultra 7 266V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking38not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation6.71no data
Market segmentServerLaptop
SeriesAMD EPYCno data
Power efficiency20.03no data
Architecture codenameMilan (2021−2023)Lunar Lake (2024)
Release date12 January 2021 (3 years ago)24 September 2024 (less than a year ago)
Launch price (MSRP)$4,995no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7643 and Core Ultra 7 266V 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 cores48 (Octatetraconta-Core)8 (Octa-Core)
Threads968
Base clock speed2.3 GHz2.2 GHz
Boost clock speed3.6 GHz5 GHz
Bus rateno data37 MHz
Multiplier23no data
L1 cache3 MB192 KB (per core)
L2 cache24 MB2.5 MB (per core)
L3 cache256 MB (shared)12 MB (shared)
Chip lithography7 nm+3 nm
Die size8x 81 mm2no data
Maximum core temperatureno data100 °C
Number of transistors33,200 millionno data
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on EPYC 7643 and Core Ultra 7 266V 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 configuration21
SocketSP3Intel BGA 2833
Power consumption (TDP)225 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7643 and Core Ultra 7 266V. You'll probably need this information if you require some particular technology.

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

Security technologies

EPYC 7643 and Core Ultra 7 266V technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7643 and Core Ultra 7 266V are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7643 and Core Ultra 7 266V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size4 TiBno data
Maximum memory bandwidth204.795 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AArc 140V

Peripherals

Specifications and connection of peripherals supported by EPYC 7643 and Core Ultra 7 266V.

PCIe version4.05.0
PCI Express lanes1284

Pros & cons summary


Recency 12 January 2021 24 September 2024
Physical cores 48 8
Threads 96 8
Chip lithography 7 nm 3 nm
Power consumption (TDP) 225 Watt 17 Watt

EPYC 7643 has 500% more physical cores and 1100% more threads.

Ultra 7 266V, on the other hand, has an age advantage of 3 years, a 133.3% more advanced lithography process, and 1223.5% lower power consumption.

We couldn't decide between EPYC 7643 and Core Ultra 7 266V. We've got no test results to judge.

Be aware that EPYC 7643 is a server/workstation processor while Core Ultra 7 266V is a notebook one.


Should you still have questions on choice between EPYC 7643 and Core Ultra 7 266V, ask them in Comments section, and we shall answer.

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AMD EPYC 7643
EPYC 7643
Intel Core Ultra 7 266V
Core Ultra 7 266V

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Community ratings

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