EPYC 7H12 vs Atom C3808

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1726	79
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.43	no data
Market segment	Server	Server
Series	Intel Atom	AMD EPYC
Power efficiency	5.46	5.98
Designer	Intel	AMD
Manufacturer	no data	TSMC
Architecture codename	Goldmont (2016−2017)	Zen 2 (2017−2020)
Release date	15 August 2017 (8 years ago)	18 September 2019 (6 years ago)
Launch price (MSRP)	$369	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Atom C3808 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	12 (Dodeca-Core)	64 (Tetrahexaconta-Core)
Threads	12	128
Base clock speed	2 GHz	2.6 GHz
Boost clock speed	2 GHz	3.3 GHz
Multiplier	22	26
L1 cache	672 KB	96K (per core)
L2 cache	12 MB	512K (per core)
L3 cache	12 MB	256 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	no data	192 mm2
Maximum core temperature	86 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Atom C3808 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	FCBGA1310	TR4
Power consumption (TDP)	25 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3808 and EPYC 7H12. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Precision Boost 2	no data	+

Security technologies

Atom C3808 and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Boot	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3808 and EPYC 7H12 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 Atom C3808 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2133	DDR4 Eight-channel
Maximum memory size	256 GB	4 TiB
Max memory channels	2	8
Maximum memory bandwidth	34.134 GB/s	204.763 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Atom C3808 and EPYC 7H12.

PCIe version	3	no data
PCI Express lanes	16	no data
USB revision	3	no data
Total number of SATA ports	16	no data
Number of USB ports	8	no data
Integrated LAN	4x10/2.5/1 GBE	no data

Synthetic benchmarks

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

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Combined synthetic benchmark score

This is our combined benchmark performance rating.

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Pros & cons summary

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Performance score	3.23	39.62
Recency	15 August 2017	18 September 2019
Physical cores	12	64
Threads	12	128
Chip lithography	14 nm	7 nm
Power consumption (TDP)	25 Watt	280 Watt

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