Ryzen 7 8745HX vs EPYC 7662

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Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking53not rated
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesAMD EPYCno data
Power efficiency19.21no data
DesignerAMDAMD
Manufacturerno dataTSMC
Architecture codenameZen 2 (2017−2020)Dragon Range (2025)
Release date19 February 2020 (5 years ago)23 April 2025 (recently)

Detailed specifications

EPYC 7662 and Ryzen 7 8745HX 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 cores64 (Tetrahexaconta-Core)8 (Octa-Core)
Threads12816
Base clock speed2 GHz3.6 GHz
Boost clock speed3.3 GHz5.1 GHz
Multiplier20no data
L1 cache4 MB64 KB (per core)
L2 cache32 MB1 MB (per core)
L3 cache256 MB32 MB (shared)
Chip lithography7 nm, 14 nm5 nm
Die sizeno data71 mm2
Number of transistorsno data6,570 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on EPYC 7662 and Ryzen 7 8745HX 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 configurationno data1
SocketSocket SP3FL1
Power consumption (TDP)225 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7662 and Ryzen 7 8745HX. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7662 and Ryzen 7 8745HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7662 and Ryzen 7 8745HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by EPYC 7662 and Ryzen 7 8745HX.

PCIe versionno data5.0
PCI Express lanesno data28

Pros & cons summary


Recency 19 February 2020 23 April 2025
Physical cores 64 8
Threads 128 16
Chip lithography 7 nm 5 nm
Power consumption (TDP) 225 Watt 55 Watt

EPYC 7662 has 700% more physical cores and 700% more threads.

Ryzen 7 8745HX, on the other hand, has an age advantage of 5 years, a 40% more advanced lithography process, and 309.1% lower power consumption.

We couldn't decide between AMD EPYC 7662 and AMD Ryzen 7 8745HX. We've got no test results to judge.

Be aware that EPYC 7662 is a server/workstation processor while Ryzen 7 8745HX is a notebook one.

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AMD EPYC 7662
EPYC 7662
AMD Ryzen 7 8745HX
Ryzen 7 8745HX

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Community ratings

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4.8 10 votes

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