EPYC 7251 vs Xeon E5-2680 v3

General info

Comparing Xeon E5-2680 v3 and EPYC 7251 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	702	720
Place by popularity	not in top-100	not in top-100
Value for money	19.35	7.53
Market segment	Server	Server
Series	no data	AMD EPYC
Architecture codename	Haswell-EP (2014)	Naples (2017−2018)
Release date	8 September 2014 (9 years ago)	29 June 2017 (6 years ago)
Launch price (MSRP)	no data	$574
Current price	$39	$348 (0.6x MSRP)

Value for money

Performance per price, higher is better.

Xeon E5-2680 v3 has 157% better value for money than EPYC 7251.

Technical specs

Xeon E5-2680 v3 and EPYC 7251 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)	8 (Octa-Core)
Threads	24	16
Base clock speed	2.5 GHz	2.1 GHz
Boost clock speed	3.3 GHz	2.9 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	30 MB (shared)	32 MB (shared)
Chip lithography	22 nm	14 nm
Die size	356 mm2	192 mm2
Maximum core temperature	85 °C	no data
Number of transistors	5,560 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E5-2680 v3 and EPYC 7251 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	2 (Multiprocessor)
Socket	FCLGA2011	TR4
Power consumption (TDP)	120 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2680 v3 and EPYC 7251. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Status	Discontinued	no data

Security technologies

Xeon E5-2680 v3 and EPYC 7251 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2680 v3 and EPYC 7251 are enumerated here.

AMD-V	no data	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2680 v3 and EPYC 7251. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR4 Eight-channel
Maximum memory size	768 GB	2 TiB
Max memory channels	4	8
Maximum memory bandwidth	68 GB/s	153.652 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2680 v3 and EPYC 7251.

PCIe version	3.0	3.0
PCI Express lanes	40	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.

Xeon E5-2680 v3 outperforms EPYC 7251 by 2% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	9.87	9.66
Recency	8 September 2014	29 June 2017
Physical cores	12	8
Threads	24	16
Chip lithography	22 nm	14 nm

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Should you still have questions on choice between Xeon E5-2680 v3 and EPYC 7251, ask them in Comments section, and we shall answer.

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