Xeon E7-4850 vs EPYC 7551P

Primary details

Comparing EPYC 7551P and Xeon E7-4850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	181	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	21.35	no data
Market segment	Server	Server
Series	AMD EPYC	Intel Xeon E7
Architecture codename	Naples (2017−2018)	Westmere (2010−2011)
Release date	29 June 2017 (7 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	$2,100	$2,837
Current price	$529 (0.3x MSRP)	$498 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7551P and Xeon E7-4850 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	32 (Dotriaconta-Core)	10 (Deca-Core)
Threads	64	20
Base clock speed	2 GHz	2 GHz
Boost clock speed	3 GHz	2.4 GHz
Bus support	no data	6.4 GT/s
L1 cache	96K (per core)	640 KB
L2 cache	512K (per core)	2.56 MB
L3 cache	64 MB (shared)	24 MB
Chip lithography	14 nm	32 nm
Die size	192 mm2	513 mm2
Maximum core temperature	no data	69 °C
Number of transistors	4,800 million	2600 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7551P and Xeon E7-4850 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)	4
Socket	TR4	LGA1567
Power consumption (TDP)	180 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551P and Xeon E7-4850. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	no data
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	1.0
Hyper-Threading Technology	no data	+
Thermal Monitoring	no data	+
Status	no data	Discontinued

Security technologies

EPYC 7551P and Xeon E7-4850 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551P and Xeon E7-4850 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 7551P and Xeon E7-4850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	2 TiB	2 TB
Max memory channels	8	4
Maximum memory bandwidth	170.671 GB/s	34.113 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by EPYC 7551P and Xeon E7-4850.

PCIe version	3.0	no data
PCI Express lanes	128	no data

Pros & cons summary

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Recency	29 June 2017	5 April 2011
Physical cores	32	10
Threads	64	20
Cost	$2100	$2837
Chip lithography	14 nm	32 nm
Power consumption (TDP)	180 Watt	130 Watt

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Should you still have questions on choice between EPYC 7551P and Xeon E7-4850, ask them in Comments section, and we shall answer.

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