EPYC 9655P vs i3-8121U

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Aggregate performance score

Core i3-8121U
2018
2 cores / 4 threads, 15 Watt
2.76
EPYC 9655P
2024
96 cores / 192 threads, 400 Watt
100.00
+3523%

EPYC 9655P outperforms Core i3-8121U by a whopping 3523% based on our aggregate benchmark results.

Primary details

Comparing Core i3-8121U and EPYC 9655P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16981
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data2.62
Market segmentLaptopServer
SeriesIntel Core i3no data
Power efficiency9.3223.64
Architecture codenameCoffee Lake-U (2018−2019)Turin (2024)
Release date5 May 2018 (6 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$10,811

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-8121U and EPYC 9655P 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 cores2 (Dual-core)96
Threads4192
Base clock speed2.2 GHz2.6 GHz
Boost clock speed3.2 GHz4.5 GHz
Bus typeOPIno data
Bus rate4 GT/sno data
Multiplier22no data
L1 cache64K (per core)80 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache4 MB (shared)384 MB (shared)
Chip lithography10 nm4 nm
Die size123 mm212x 70.6 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data99,780 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core i3-8121U and EPYC 9655P 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
SocketIntel BGA1440SP5
Power consumption (TDP)15 Watt400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8121U and EPYC 9655P. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vPro-no data
Enhanced SpeedStep (EIST)+no data
QuickAssist-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
Demand Based Switching-no data
HD Audio+no data
RST+no data
Precision Boost 2no data+

Security technologies

Core i3-8121U and EPYC 9655P technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
MPX+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-8121U and EPYC 9655P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8121U and EPYC 9655P. 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 cardIris Pro PlusN/A

Peripherals

Specifications and connection of peripherals supported by Core i3-8121U and EPYC 9655P.

PCIe version3.05.0
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.

i3-8121U 2.76
EPYC 9655P 100.00
+3523%

  • Passmark

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.

i3-8121U 4391
EPYC 9655P 158845
+3518%

Gaming performance

Pros & cons summary


Performance score 2.76 100.00
Recency 5 May 2018 10 October 2024
Physical cores 2 96
Threads 4 192
Chip lithography 10 nm 4 nm
Power consumption (TDP) 15 Watt 400 Watt

i3-8121U has 2566.7% lower power consumption.

EPYC 9655P, on the other hand, has a 3523.2% higher aggregate performance score, an age advantage of 6 years, 4700% more physical cores and 4700% more threads, and a 150% more advanced lithography process.

The EPYC 9655P is our recommended choice as it beats the Core i3-8121U in performance tests.

Be aware that Core i3-8121U is a notebook processor while EPYC 9655P is a server/workstation one.


Should you still have questions on choice between Core i3-8121U and EPYC 9655P, ask them in Comments section, and we shall answer.

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Intel Core i3-8121U
Core i3-8121U
AMD EPYC 9655P
EPYC 9655P

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Community ratings

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3.3
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Questions & comments

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