Xeon E5-2699 v3 vs EPYC 7451

General info

Comparing EPYC 7451 and Xeon E5-2699 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	341	514
Place by popularity	not in top-100	not in top-100
Value for money	2.37	14.53
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Naples (2017−2018)	Haswell-EP (2014)
Release date	29 June 2017 (6 years old)	8 September 2014 (9 years old)
Launch price (MSRP)	$2,400	no data
Current price	$2768 (1.2x MSRP)	$315

Xeon E5-2699 v3 has 513% better value for money than EPYC 7451.

Technical specs

EPYC 7451 and Xeon E5-2699 v3 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	24 (Tetracosa-Core)	18 (Octadeca-Core)
Threads	48	36
Base clock speed	2.3 GHz	2.3 GHz
Boost clock speed	3.2 GHz	3.6 GHz
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	256K (per core)
L3 cache	64 MB (shared)	45 MB (shared)
Chip lithography	14 nm	22 nm
Die size	192 mm2	356 mm2
Maximum core temperature	no data	76 °C
Maximum case temperature (TCase)	no data	77 °C
Number of transistors	4,800 million	2,600 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7451 and Xeon E5-2699 v3 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)	2
Socket	TR4	FCLGA2011
Power consumption (TDP)	180 Watt	145 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7451 and Xeon E5-2699 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
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	no data	46 Bit
Status	no data	Discontinued

Security technologies

EPYC 7451 and Xeon E5-2699 v3 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 EPYC 7451 and Xeon E5-2699 v3 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 EPYC 7451 and Xeon E5-2699 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4-1600, DDR4-1866, DDR4-2133
Maximum memory size	2 TiB	768 GB
Max memory channels	8	4
Maximum memory bandwidth	170.671 GB/s	68 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by EPYC 7451 and Xeon E5-2699 v3.

PCIe version	3.0	3.0
PCI Express lanes	128	40

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.

EPYC 7451 outperforms Xeon E5-2699 v3 by 27% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	16.88	13.26
Recency	29 June 2017	8 September 2014
Physical cores	24	18
Threads	48	36
Chip lithography	14 nm	22 nm
Power consumption (TDP)	180 Watt	145 Watt

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Should you still have questions on choice between EPYC 7451 and Xeon E5-2699 v3, ask them in Comments section, and we shall answer.

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