EPYC 7H12 vs Atom Z3740

Primary details

Comparing Atom Z3740 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	Laptop	Server
Series	no data	AMD EPYC
Power efficiency	no data	14.82
Architecture codename	Bay Trail-T (2013−2014)	Zen 2 (2017−2020)
Release date	27 September 2013 (11 years ago)	18 September 2019 (5 years ago)
Launch price (MSRP)	$32	no data

Detailed specifications

Atom Z3740 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	4 (Quad-Core)	64 (Tetrahexaconta-Core)
Threads	4	128
Base clock speed	1.33 GHz	2.6 GHz
Boost clock speed	1.86 GHz	3.3 GHz
Multiplier	no data	26
L1 cache	64K (per core)	96K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	22 nm	7 nm, 14 nm
Die size	no data	192 mm2
Maximum core temperature	90 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Atom Z3740 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	2 (Multiprocessor)
Socket	UTFCBGA1380	TR4
Power consumption (TDP)	2 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z3740 and EPYC 7H12. 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	+

Security technologies

Atom Z3740 and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.

Secure Key	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z3740 and EPYC 7H12 are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z3740 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Eight-channel
Maximum memory size	4 GB	4 TiB
Max memory channels	2	8
Maximum memory bandwidth	17.1 GB/s	204.763 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	667 MHz	no 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.

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Pros & cons summary

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Recency	27 September 2013	18 September 2019
Physical cores	4	64
Threads	4	128
Chip lithography	22 nm	7 nm
Power consumption (TDP)	2 Watt	280 Watt

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Should you still have questions on choice between Atom Z3740 and EPYC 7H12, ask them in Comments section, and we shall answer.

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