Xeon E7-8894 v4 vs i9-9900X

Primary details

Comparing Core i9-9900X and Xeon E7-8894 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	521	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.39	no data
Market segment	Desktop processor	Server
Series	Intel Core i9	Intel Xeon E7
Architecture codename	Skylake (server) (2017−2018)	Broadwell (2015−2019)
Release date	19 October 2018 (5 years ago)	no data
Launch price (MSRP)	$989	$8,898

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900X and Xeon E7-8894 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	10 (Deca-Core)	24 (Tetracosa-Core)
Threads	20	48
Base clock speed	3.5 GHz	2.4 GHz
Boost clock speed	4.5 GHz	3.4 GHz
Bus type	DMI 3.0	QPI
Bus rate	4 × 8 GT/s	3 × 9.6 GT/s
Multiplier	35	no data
L1 cache	64 KB (per core)	no data
L2 cache	1 MB (per core)	6 MB
L3 cache	19.25 MB (shared)	60 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	92 °C	79 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9900X and Xeon E7-8894 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	1 (Uniprocessor)	8 (Multiprocessor)
Socket	FCLGA2066	FCLGA2011
Power consumption (TDP)	165 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Xeon E7-8894 v4. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	-
Demand Based Switching	no data	-
PAE	no data	46 Bit
Turbo Boost Max 3.0	+	no data
Status	Discontinued	Discontinued

Security technologies

Core i9-9900X and Xeon E7-8894 v4 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Xeon E7-8894 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Xeon E7-8894 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	128 GB	3 TB
Max memory channels	4	4
Maximum memory bandwidth	85.33 GB/s	85 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 Core i9-9900X and Xeon E7-8894 v4.

PCIe version	3.0	3.0
PCI Express lanes	44	32

Pros & cons summary

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Physical cores	10	24
Threads	20	48

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