EPYC 7H12 vs i7-8670

Primary details

Comparing Core i7-8670 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	46
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	Intel Core i7	AMD EPYC
Power efficiency	no data	14.82
Architecture codename	Coffee Lake (2017−2019)	Zen 2 (2017−2020)
Release date	1 January 2018 (6 years ago)	18 September 2019 (5 years ago)

Detailed specifications

Core i7-8670 and EPYC 7H12 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)	64 (Tetrahexaconta-Core)
Threads	12	128
Base clock speed	3.1 GHz	2.6 GHz
Boost clock speed	4.4 GHz	3.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	no data	26
L1 cache	384 KB	96K (per core)
L2 cache	1.5 MB	512K (per core)
L3 cache	12 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	149 mm2	192 mm2
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core i7-8670 and EPYC 7H12 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 (Multiprocessor)
Socket	1151	TR4
Power consumption (TDP)	65 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8670 and EPYC 7H12. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-8670 and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8670 and EPYC 7H12 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 i7-8670 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR4 Eight-channel
Maximum memory size	64 GB	4 TiB
Max memory channels	2	8
Maximum memory bandwidth	42.671 GB/s	204.763 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel UHD Graphics 630

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-8670 and EPYC 7H12.

PCIe version

3.0

no data

Pros & cons summary

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Recency	1 January 2018	18 September 2019
Physical cores	6	64
Threads	12	128
Chip lithography	14 nm	7 nm
Power consumption (TDP)	65 Watt	280 Watt

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Should you still have questions on choice between Core i7-8670 and EPYC 7H12, ask them in Comments section, and we shall answer.

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