Xeon E7-8895 v3 vs EPYC 7663

Primary details

Comparing EPYC 7663 and Xeon E7-8895 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	29	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.91	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Milan (2021−2023)	no data
Release date	12 January 2021 (3 years ago)	1 April 2015 (9 years ago)
Launch price (MSRP)	$6,366	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7663 and Xeon E7-8895 v3 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	56 (Hexapentaconta-Core)	18 (Octadeca-Core)
Threads	112	36
Base clock speed	2 GHz	2.6 GHz
Boost clock speed	3.5 GHz	3.5 GHz
Bus rate	no data	9.6 GT/s
Multiplier	20	no data
L1 cache	3584 KB	no data
L2 cache	28 MB	no data
L3 cache	256 MB (shared)	45 MB Last Level Cache
Chip lithography	7 nm+	22 nm
Die size	8x 81 mm2	no data
Maximum core temperature	no data	77 °C
Number of transistors	33,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7663 and Xeon E7-8895 v3 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	8
Socket	SP3	no data
Power consumption (TDP)	240 Watt	175 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7663 and Xeon E7-8895 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX2
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
PAE	no data	46 Bit
Status	no data	Announced

Security technologies

EPYC 7663 and Xeon E7-8895 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7663 and Xeon E7-8895 v3 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 EPYC 7663 and Xeon E7-8895 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	4 TiB	1.5 TB
Max memory channels	no data	4
Maximum memory bandwidth	204.795 GB/s	102 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by EPYC 7663 and Xeon E7-8895 v3.

PCIe version	4.0	3.0
PCI Express lanes	128	32

Pros & cons summary

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Recency	12 January 2021	1 April 2015
Physical cores	56	18
Threads	112	36
Chip lithography	7 nm	22 nm
Power consumption (TDP)	240 Watt	175 Watt

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