EPYC 7251 vs m5-6Y54

Primary details

Comparing Core m5-6Y54 and EPYC 7251 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2182	804
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.90
Market segment	Laptop	Server
Series	Intel Core m5	AMD EPYC
Power efficiency	26.99	7.42
Architecture codename	Skylake-Y (2015)	Naples (2017−2018)
Release date	1 September 2015 (9 years ago)	29 June 2017 (7 years ago)
Launch price (MSRP)	$281	$574

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core m5-6Y54 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	2 (Dual-core)	8 (Octa-Core)
Threads	4	16
Base clock speed	1.1 GHz	2.1 GHz
Boost clock speed	2.7 GHz	2.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 GT/s	no data
Multiplier	11	21
L1 cache	64 KB (per core)	96K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	4 MB (shared)	32 MB (shared)
Chip lithography	14 nm	14 nm
Die size	98.57 mm2	192 mm2
Maximum core temperature	100 °C	no data
Number of transistors	1750 Million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Core m5-6Y54 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	1 (Uniprocessor)	2 (Multiprocessor)
Socket	FCBGA1515	TR4
Power consumption (TDP)	4.5 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core m5-6Y54 and EPYC 7251. 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	+	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Smart Response	+	no data

Security technologies

Core m5-6Y54 and EPYC 7251 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core m5-6Y54 and EPYC 7251 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core m5-6Y54 and EPYC 7251. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Eight-channel
Maximum memory size	16 GB	2 TiB
Max memory channels	2	8
Maximum memory bandwidth	29.861 GB/s	153.652 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 515	no data
Max video memory	16 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	900 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core m5-6Y54 and EPYC 7251 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core m5-6Y54 and EPYC 7251 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core m5-6Y54 and EPYC 7251 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core m5-6Y54 and EPYC 7251.

PCIe version	3.0	3.0
PCI Express lanes	10	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.

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Pros & cons summary

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Performance score	1.48	9.76
Recency	1 September 2015	29 June 2017
Physical cores	2	8
Threads	4	16
Power consumption (TDP)	4 Watt	120 Watt

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Should you still have questions on choice between Core m5-6Y54 and EPYC 7251, ask them in Comments section, and we shall answer.

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