Ryzen 7 7700 vs EPYC 7251

Primary details

Comparing EPYC 7251 and Ryzen 7 7700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	787	233
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.19	50.86
Market segment	Server	Desktop processor
Series	AMD EPYC	AMD Ryzen 7
Architecture codename	Naples (2017−2018)	Raphael (Zen4) (2022−2023)
Release date	20 June 2017 (7 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$574	$339

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 7700 has 1494% better value for money than EPYC 7251.

Detailed specifications

EPYC 7251 and Ryzen 7 7700 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	2.1 GHz	3.8 GHz
Boost clock speed	2.1 GHz	5.3 GHz
Multiplier	21	no data
L1 cache	768 KB	512 KB
L2 cache	4 MB	8 MB
L3 cache	32 MB (shared)	32 MB
Chip lithography	14 nm	5 nm, 6 nm
Die size	213 mm2	71+122 mm
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	no data	61 °C
Number of transistors	19200 Million	9900 Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on EPYC 7251 and Ryzen 7 7700 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	2 (Multiprocessor)	1
Socket	TR4	AM5 (LGA 1718)
Power consumption (TDP)	120 Watt	65W, (85W real world)

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7251 and Ryzen 7 7700. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	5 nm, 0.650 - 1.475V
AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7251 and Ryzen 7 7700 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7251 and Ryzen 7 7700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5-5200
Maximum memory size	2 TiB	128 GB
Max memory channels	8	no data
Maximum memory bandwidth	153.652 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by EPYC 7251 and Ryzen 7 7700.

PCIe version	3.0	5.0
PCI Express lanes	128	24

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.

Pros & cons summary

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Performance score	9.69	22.42
Recency	20 June 2017	4 January 2023
Chip lithography	14 nm	5 nm
Power consumption (TDP)	120 Watt	65 Watt

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Should you still have questions on choice between EPYC 7251 and Ryzen 7 7700, ask them in Comments section, and we shall answer.

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