EPYC 7H12 vs Xeon L5638

General info

Comparing Xeon L5638 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1658	39
Place by popularity	not in top-100	not in top-100
Value for money	1.73	5.02
Market segment	Server	Server
Series	no data	AMD EPYC
Architecture codename	Westmere-EP (2010−2011)	Zen 2 (2019−2020)
Release date	16 March 2010 (14 years ago)	18 September 2019 (4 years ago)
Launch price (MSRP)	$90	no data
Current price	$11 (0.1x MSRP)	$6796

Value for money

Performance per price, higher is better.

EPYC 7H12 has 190% better value for money than Xeon L5638.

Technical specs

Xeon L5638 and EPYC 7H12 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	6 (Hexa-Core)	64 (Tetrahexaconta-Core)
Threads	12	128
Base clock speed	2 GHz	2.6 GHz
Boost clock speed	2.4 GHz	3.3 GHz
L1 cache	64 KB (per core)	96K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	12 MB (shared)	256 MB (shared)
Chip lithography	32 nm	7 nm, 14 nm
Die size	239 mm2	192 mm2
Maximum core temperature	85 °C	no data
Number of transistors	1,170 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon L5638 and EPYC 7H12 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	FCLGA1366,LGA1366	TR4
Power consumption (TDP)	60 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5638 and EPYC 7H12. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Status	Discontinued	no data

Security technologies

Xeon L5638 and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5638 and EPYC 7H12 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 L5638 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Eight-channel
Maximum memory size	no data	4 TiB
Max memory channels	no data	8
Maximum memory bandwidth	no data	204.763 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon L5638 and EPYC 7H12.

PCIe version

2.0

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 7H12 outperforms Xeon L5638 by 1776% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	2.40	45.03
Recency	16 March 2010	18 September 2019
Physical cores	6	64
Threads	12	128
Chip lithography	32 nm	7 nm
Power consumption (TDP)	60 Watt	280 Watt

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Should you still have questions on choice between Xeon L5638 and EPYC 7H12, ask them in Comments section, and we shall answer.

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