EPYC 7402 vs Ryzen 5 1400

Primary details

Comparing Ryzen 5 1400 and EPYC 7402 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1246	156
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.67	10.51
Market segment	Desktop processor	Server
Series	AMD Ryzen 5	AMD EPYC
Power efficiency	7.11	15.23
Architecture codename	Zen (2017−2020)	Zen 2 (2017−2020)
Release date	16 March 2017 (7 years ago)	7 August 2019 (5 years ago)
Launch price (MSRP)	$169	$1,783

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7402 has 294% better value for money than Ryzen 5 1400.

Detailed specifications

Ryzen 5 1400 and EPYC 7402 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)	24 (Tetracosa-Core)
Threads	8	48
Base clock speed	3.2 GHz	2.8 GHz
Boost clock speed	3.2 GHz	3.35 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	32	28
L1 cache	384 KB	1.5 MB
L2 cache	2 MB	12 MB
L3 cache	8 MB (shared)	128 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	213 mm2	192 mm2
Number of transistors	4800 Million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on Ryzen 5 1400 and EPYC 7402 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	AM4	TR4
Power consumption (TDP)	65 Watt	180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 1400 and EPYC 7402. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 1400 and EPYC 7402 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 1400 and EPYC 7402. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	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	+	+

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 1400 and EPYC 7402.

PCIe version	3.0	no data
PCI Express lanes	20	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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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.

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Pros & cons summary

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Performance score	4.88	28.97
Recency	16 March 2017	7 August 2019
Physical cores	4	24
Threads	8	48
Chip lithography	14 nm	7 nm
Power consumption (TDP)	65 Watt	180 Watt

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Should you still have questions on choice between Ryzen 5 1400 and EPYC 7402, ask them in Comments section, and we shall answer.

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