EPYC 9455 vs i7-8700K

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Primary details

Comparing Core i7-8700K and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking885not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.61no data
Market segmentDesktop processorServer
SeriesIntel Core i7no data
Power efficiency8.50no data
Architecture codenameCoffee Lake-S (2017−2018)Turin (2024)
Release date5 October 2017 (7 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)$359$5,412

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-8700K and EPYC 9455 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 cores6 (Hexa-Core)48 (Octatetraconta-Core)
Threads1296
Base clock speed3.7 GHz3.15 GHz
Boost clock speed4.7 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier37no data
L1 cache64K (per core)80 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache12288 KB192 MB (shared)
Chip lithography14 nm4 nm
Die size149 mm26x 70.6 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data49,890 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i7-8700K and EPYC 9455 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
SocketFCLGA1151SP5
Power consumption (TDP)95 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8700K and EPYC 9455. 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++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-
Precision Boost 2no data+

Security technologies

Core i7-8700K and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8700K and EPYC 9455 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 i7-8700K and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630N/A
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-8700K and EPYC 9455 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i7-8700K and EPYC 9455 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 i7-8700K and EPYC 9455 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-8700K and EPYC 9455.

PCIe version3.05.0
PCI Express lanes16128

Pros & cons summary


Recency 5 October 2017 10 October 2024
Physical cores 6 48
Threads 12 96
Chip lithography 14 nm 4 nm
Power consumption (TDP) 95 Watt 300 Watt

i7-8700K has 215.8% lower power consumption.

EPYC 9455, on the other hand, has an age advantage of 7 years, 700% more physical cores and 700% more threads, and a 250% more advanced lithography process.

We couldn't decide between Core i7-8700K and EPYC 9455. We've got no test results to judge.

Note that Core i7-8700K is a desktop processor while EPYC 9455 is a server/workstation one.


Should you still have questions on choice between Core i7-8700K and EPYC 9455, ask them in Comments section, and we shall answer.

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Intel Core i7-8700K
Core i7-8700K
AMD EPYC 9455
EPYC 9455

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