EPYC 9135 vs i5-8420T

Primary details

Comparing Core i5-8420T and EPYC 9135 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	96
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	29.27
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Power efficiency	no data	17.30
Architecture codename	Coffee Lake (2017−2019)	Turin (2024)
Release date	1 September 2018 (6 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$1,214

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-8420T and EPYC 9135 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 cores	6 (Hexa-Core)	16 (Hexadeca-Core)
Threads	6	32
Base clock speed	1.8 GHz	3.65 GHz
Boost clock speed	3.4 GHz	4.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	9 MB (shared)	64 MB (shared)
Chip lithography	14 nm	4 nm
Die size	126 mm2	2x 70.6 mm2
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	16,630 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i5-8420T and EPYC 9135 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 configuration	1 (Uniprocessor)	2
Socket	1151	SP5
Power consumption (TDP)	35 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8420T and EPYC 9135. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8420T and EPYC 9135 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 i5-8420T and EPYC 9135. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel UHD Graphics 630

N/A

Peripherals

Specifications and connection of peripherals supported by Core i5-8420T and EPYC 9135.

PCIe version	3.0	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	1 September 2018	10 October 2024
Physical cores	6	16
Threads	6	32
Chip lithography	14 nm	4 nm
Power consumption (TDP)	35 Watt	200 Watt

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