EPYC 9645 vs i7-8550U

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Primary details

Comparing Core i7-8550U and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1443not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Core i7no data
Power efficiency24.32no data
Architecture codenameKaby Lake Refresh (2017−2019)Turin (2024)
Release date21 August 2017 (7 years ago)10 October 2024 (recently)
Launch price (MSRP)$409$11,048

Detailed specifications

Core i7-8550U 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 cores4 (Quad-Core)96
Threads8192
Base clock speed1.8 GHz2.3 GHz
Boost clock speed4 GHz3.7 GHz
Bus typeOPIno data
Bus rate4 GT/sno data
Multiplier18no data
L1 cache256 KB80 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cache8 MB (shared)256 MB (shared)
Chip lithography14 nm3 nm
Die size123 mm2no data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i7-8550U 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 configuration1 (Uniprocessor)2
SocketFCBGA1356,FC-BGA1356SP5
Power consumption (TDP)15 Watt320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8550U and EPYC 9645. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data
Precision Boost 2no data+

Security technologies

Core i7-8550U and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8550U and EPYC 9645 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8550U and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 620N/A
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data

Graphics interfaces

Available interfaces and connections of Core i7-8550U and EPYC 9645 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-8550U and EPYC 9645 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i7-8550U and EPYC 9645 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Core i7-8550U and EPYC 9645.

PCIe version3.05.0
PCI Express lanes12128

Pros & cons summary


Recency 21 August 2017 10 October 2024
Physical cores 4 96
Threads 8 192
Chip lithography 14 nm 3 nm
Power consumption (TDP) 15 Watt 320 Watt

i7-8550U has 2033.3% lower power consumption.

EPYC 9645, on the other hand, has an age advantage of 7 years, 2300% more physical cores and 2300% more threads, and a 366.7% more advanced lithography process.

We couldn't decide between Core i7-8550U and EPYC 9645. We've got no test results to judge.

Be aware that Core i7-8550U is a notebook processor while EPYC 9645 is a server/workstation one.


Should you still have questions on choice between Core i7-8550U and EPYC 9645, ask them in Comments section, and we shall answer.

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Intel Core i7-8550U
Core i7-8550U
AMD EPYC 9645
EPYC 9645

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