EPYC 7451 vs Xeon E-2186G

General info

Comparing Xeon E-2186G and EPYC 7451 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	761	342
Place by popularity	not in top-100	not in top-100
Value for money	25.36	2.36
Market segment	Server	Server
Series	Intel Xeon E	AMD EPYC
Architecture codename	Coffee Lake-S (2017−2018)	Naples (2017−2018)
Release date	31 May 2018 (5 years ago)	29 June 2017 (6 years ago)
Launch price (MSRP)	$450	$2,400
Current price	$247 (0.5x MSRP)	$2768 (1.2x MSRP)

Value for money

Performance per price, higher is better.

Xeon E-2186G has 975% better value for money than EPYC 7451.

Technical specs

Xeon E-2186G and EPYC 7451 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)	24 (Tetracosa-Core)
Threads	12	48
Base clock speed	3.8 GHz	2.3 GHz
Boost clock speed	4.7 GHz	3.2 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	96K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	12 MB (shared)	64 MB (shared)
Chip lithography	14 nm	14 nm
Die size	154 mm2	192 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E-2186G and EPYC 7451 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	1	2 (Multiprocessor)
Socket	FCLGA1151	TR4
Power consumption (TDP)	95 Watt	180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2186G and EPYC 7451. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, 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
Status	Discontinued	no data

Security technologies

Xeon E-2186G and EPYC 7451 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	no data
SGX	Yes with both Intel® SPS and Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2186G and EPYC 7451 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 E-2186G and EPYC 7451. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4 Eight-channel
Maximum memory size	128 GB	2 TiB
Max memory channels	2	8
Maximum memory bandwidth	41.6 GB/s	170.671 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics P630	no data
Max video memory	128 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E-2186G and EPYC 7451 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E-2186G and EPYC 7451 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2160@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E-2186G and EPYC 7451 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E-2186G and EPYC 7451.

PCIe version	3.0	3.0
PCI Express lanes	16	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.

EPYC 7451 outperforms Xeon E-2186G by 85% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	9.03	16.73
Recency	31 May 2018	29 June 2017
Physical cores	6	24
Threads	12	48
Cost	$450	$2400
Power consumption (TDP)	95 Watt	180 Watt

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Should you still have questions on choice between Xeon E-2186G and EPYC 7451, ask them in Comments section, and we shall answer.

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