EPYC 7702P vs i9-9940X

Aggregate performance score

Core i9-9940X
2018
14 cores / 28 threads, 165 Watt
17.61
EPYC 7702P
2019
64 cores / 128 threads, 200 Watt
39.85
+126%

EPYC 7702P outperforms Core i9-9940X by a whopping 126% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9940X and EPYC 7702P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking35064
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.066.33
Market segmentDesktop processorServer
SeriesIntel Core i9AMD EPYC
Power efficiency10.1018.86
Architecture codenameSkylake (server) (2017−2019)Zen 2 (2017−2020)
Release date8 October 2018 (6 years ago)7 August 2019 (5 years ago)
Launch price (MSRP)$1,387$4,425

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7702P has 25% better value for money than i9-9940X.

Detailed specifications

Core i9-9940X and EPYC 7702P 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 cores14 (Tetradeca-Core)64 (Tetrahexaconta-Core)
Threads28128
Base clock speed3.3 GHz2 GHz
Boost clock speed4.5 GHz3.35 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier3320
L1 cache896 KB4 MB
L2 cache14 MB32 MB
L3 cache19.25 MB (shared)256 MB (shared)
Chip lithography14 nm7 nm, 14 nm
Die size484 mm2192 mm2
Maximum core temperature88 °Cno data
Number of transistorsno data4,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9940X and EPYC 7702P 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)1 (Uniprocessor)
SocketFCLGA2066TR4
Power consumption (TDP)165 Watt200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9940X and EPYC 7702P. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+

Security technologies

Core i9-9940X and EPYC 7702P technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9940X and EPYC 7702P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9940X and EPYC 7702P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4 Eight-channel
Maximum memory size128 GB4 TiB
Max memory channels48
Maximum memory bandwidth85.33 GB/s204.763 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i9-9940X and EPYC 7702P.

PCIe version3.0no data
PCI Express lanes44no data

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.

i9-9940X 17.61
EPYC 7702P 39.85
+126%

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.

i9-9940X 27975
EPYC 7702P 63300
+126%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-9940X 1465
+65%
EPYC 7702P 888

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-9940X 10309
EPYC 7702P 15480
+50.2%

Gaming performance

Pros & cons summary


Performance score 17.61 39.85
Recency 8 October 2018 7 August 2019
Physical cores 14 64
Threads 28 128
Chip lithography 14 nm 7 nm
Power consumption (TDP) 165 Watt 200 Watt

i9-9940X has 21.2% lower power consumption.

EPYC 7702P, on the other hand, has a 126.3% higher aggregate performance score, an age advantage of 9 months, 357.1% more physical cores and 357.1% more threads, and a 100% more advanced lithography process.

The EPYC 7702P is our recommended choice as it beats the Core i9-9940X in performance tests.

Note that Core i9-9940X is a desktop processor while EPYC 7702P is a server/workstation one.


Should you still have questions on choice between Core i9-9940X and EPYC 7702P, ask them in Comments section, and we shall answer.

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Intel Core i9-9940X
Core i9-9940X
AMD EPYC 7702P
EPYC 7702P

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Community ratings

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Questions & comments

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