EPYC 7663 vs Ryzen 5 1400

Primary details

Comparing Ryzen 5 1400 and EPYC 7663 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1233	31
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.53	4.60
Market segment	Desktop processor	Server
Series	AMD Ryzen 5	AMD EPYC
Power efficiency	7.10	20.38
Architecture codename	Zen (2017−2020)	Milan (2021−2023)
Release date	16 March 2017 (7 years ago)	12 January 2021 (3 years ago)
Launch price (MSRP)	$169	$6,366

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7663 has 82% better value for money than Ryzen 5 1400.

Detailed specifications

Ryzen 5 1400 and EPYC 7663 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)	56 (Hexapentaconta-Core)
Threads	8	112
Base clock speed	3.2 GHz	2 GHz
Boost clock speed	3.2 GHz	3.5 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	32	20
L1 cache	384 KB	3584 KB
L2 cache	2 MB	28 MB
L3 cache	8 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm+
Die size	213 mm2	8x 81 mm2
Number of transistors	4800 Million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 5 1400 and EPYC 7663 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	AM4	SP3
Power consumption (TDP)	65 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 1400 and EPYC 7663. 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	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 1400 and EPYC 7663 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 1400 and EPYC 7663. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	64 GB	4 TiB
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	204.795 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 1400 and EPYC 7663.

PCIe version	3.0	4.0
PCI Express lanes	20	128

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	4.97	52.66
Recency	16 March 2017	12 January 2021
Physical cores	4	56
Threads	8	112
Chip lithography	14 nm	7 nm
Power consumption (TDP)	65 Watt	240 Watt

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Should you still have questions on choice between Ryzen 5 1400 and EPYC 7663, ask them in Comments section, and we shall answer.

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