Xeon E7-8891 v4 vs EPYC 7452

Primary details

Comparing EPYC 7452 and Xeon E7-8891 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	163	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.59	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	17.29	no data
Architecture codename	Zen 2 (2017−2020)	no data
Release date	7 August 2019 (5 years ago)	1 April 2016 (8 years ago)
Launch price (MSRP)	$2,025	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7452 and Xeon E7-8891 v4 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	2.2 GHz	2.8 GHz
Boost clock speed	3.35 GHz	3.5 GHz
Bus rate	no data	9.6 GT/s
Multiplier	23.5	no data
L1 cache	2 MB	no data
L2 cache	16 MB	no data
L3 cache	128 MB (shared)	60 MB
Chip lithography	7 nm, 14 nm	14 nm
Die size	192 mm2	no data
Maximum core temperature	no data	79 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7452 and Xeon E7-8891 v4 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 (Multiprocessor)	8
Socket	TR4	FCLGA2011
Power consumption (TDP)	155 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7452 and Xeon E7-8891 v4. 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
Precision Boost 2	+	no data

Security technologies

EPYC 7452 and Xeon E7-8891 v4 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 7452 and Xeon E7-8891 v4 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 7452 and Xeon E7-8891 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	4 TiB	3 TB
Max memory channels	8	4
Maximum memory bandwidth	204.763 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by EPYC 7452 and Xeon E7-8891 v4.

PCIe version	no data	3.0
PCI Express lanes	no data	32

Pros & cons summary

---

Recency	7 August 2019	1 April 2016
Physical cores	32	10
Threads	64	20
Chip lithography	7 nm	14 nm
Power consumption (TDP)	155 Watt	165 Watt

---

Should you still have questions on choice between EPYC 7452 and Xeon E7-8891 v4, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---