EPYC 7402P vs Xeon E5-2640 v4

Primary details

Comparing Xeon E5-2640 v4 and EPYC 7402P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	879	154
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.47	4.94
Market segment	Server	Server
Series	Intel Xeon E5	AMD EPYC
Architecture codename	Broadwell (2015−2019)	Zen 2 (2019−2020)
Release date	20 June 2016 (8 years ago)	7 August 2019 (4 years ago)
Launch price (MSRP)	$939	$1,250
Current price	$74 (0.1x MSRP)	$4315 (3.5x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2640 v4 has 213% better value for money than EPYC 7402P.

Detailed specifications

Xeon E5-2640 v4 and EPYC 7402P 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	10 (Deca-Core)	24 (Tetracosa-Core)
Threads	20	48
Base clock speed	2.4 GHz	2.8 GHz
Boost clock speed	3.4 GHz	3.35 GHz
Bus support	2 × 8 GT/s	no data
L1 cache	no data	96K (per core)
L2 cache	2.5 MB	512K (per core)
L3 cache	25 MB	128 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	246.24 mm2	192 mm2
Maximum core temperature	76 °C	no data
Number of transistors	3200 Million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E5-2640 v4 and EPYC 7402P 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	1 (Uniprocessor)
Socket	FCLGA2011	TR4
Power consumption (TDP)	90 Watt	180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 v4 and EPYC 7402P. 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	Launched	no data

Security technologies

Xeon E5-2640 v4 and EPYC 7402P 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 E5-2640 v4 and EPYC 7402P 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 E5-2640 v4 and EPYC 7402P. 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	1.5 TB	4 TiB
Max memory channels	4	no data
Maximum memory bandwidth	68.3 GB/s	204.763 GB/s
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 v4 and EPYC 7402P.

PCIe version	3.0	no data
PCI Express lanes	40	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.

EPYC 7402P outperforms Xeon E5-2640 v4 by 254% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	8.01	28.39
Recency	20 June 2016	7 August 2019
Physical cores	10	24
Threads	20	48
Cost	$939	$1250
Chip lithography	14 nm	7 nm
Power consumption (TDP)	90 Watt	180 Watt

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Should you still have questions on choice between Xeon E5-2640 v4 and EPYC 7402P, ask them in Comments section, and we shall answer.

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