EPYC 7371 vs i9-9900K

VS

Aggregate performance score

Core i9-9900K
2018
8 cores / 16 threads, 95 Watt
11.49
EPYC 7371
2018
16 cores / 32 threads, 170 Watt
19.38
+68.7%

EPYC 7371 outperforms Core i9-9900K by an impressive 69% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900K and EPYC 7371 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking686297
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.935.59
Market segmentDesktop processorServer
SeriesCore i9 (Desktop)AMD EPYC
Power efficiency11.4510.79
Architecture codenameCoffee Lake-R (2018−2019)Naples (2017−2018)
Release date19 October 2018 (6 years ago)16 November 2018 (6 years ago)
Launch price (MSRP)$488$1,550

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900K has 42% better value for money than EPYC 7371.

Detailed specifications

Core i9-9900K and EPYC 7371 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 cores8 (Octa-Core)16 (Hexadeca-Core)
Threads1632
Base clock speed3.6 GHz3.1 GHz
Boost clock speed5 GHz3.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplierno data31
L1 cache64K (per core)96K (per core)
L2 cache256K (per core)512K (per core)
L3 cache16 MB (shared)64 MB (shared)
Chip lithography14 nm14 nm
Die size178 mm2192 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data4,800 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Core i9-9900K and EPYC 7371 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 (Multiprocessor)
SocketLGA-1151TR4
Power consumption (TDP)95 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and EPYC 7371. 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+-

Security technologies

Core i9-9900K and EPYC 7371 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 i9-9900K and EPYC 7371 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 i9-9900K and EPYC 7371. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4 Eight-channel
Maximum memory size128 GB2 TiB
Max memory channels28
Maximum memory bandwidth44.668 GB/s170.671 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
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 i9-9900K and EPYC 7371 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and EPYC 7371 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 i9-9900K and EPYC 7371 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and EPYC 7371.

PCIe version3.03.0
PCI Express lanes16128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-9900K 11.49
EPYC 7371 19.38
+68.7%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-9900K 18251
EPYC 7371 30782
+68.7%

Gaming performance

Pros & cons summary


Performance score 11.49 19.38
Physical cores 8 16
Threads 16 32
Power consumption (TDP) 95 Watt 170 Watt

i9-9900K has 78.9% lower power consumption.

EPYC 7371, on the other hand, has a 68.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

The EPYC 7371 is our recommended choice as it beats the Core i9-9900K in performance tests.

Note that Core i9-9900K is a desktop processor while EPYC 7371 is a server/workstation one.


Should you still have questions on choice between Core i9-9900K and EPYC 7371, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-9900K
Core i9-9900K
AMD EPYC 7371
EPYC 7371

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Community ratings

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Questions & comments

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