i9-9900KF vs Xeon 5050

Primary details

Comparing Xeon 5050 and Core i9-9900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	657
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	8.96
Market segment	Server	Desktop processor
Series	no data	Intel Core i9
Architecture codename	Dempsey (2006)	Coffee Lake-R (2018−2019)
Release date	May 2006 (18 years ago)	8 January 2019 (5 years ago)
Launch price (MSRP)	no data	$488

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon 5050 and Core i9-9900KF 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	3 GHz	3.6 GHz
Boost clock speed	3 GHz	5 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
L1 cache	0 KB	64K (per core)
L2 cache	2 MB	256K (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	65 nm	14 nm
Maximum core temperature	67 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	1.075V-1.35V	no data

Compatibility

Information on Xeon 5050 and Core i9-9900KF 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	1 (Uniprocessor)
Socket	PLGA771	FCLGA1151
Power consumption (TDP)	95 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 5050 and Core i9-9900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	-	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
FSB parity	+	no data
Status	Discontinued	Discontinued

Security technologies

Xeon 5050 and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 5050 and Core i9-9900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 5050 and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4-2666
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	42.671 GB/s

Peripherals

Specifications and connection of peripherals supported by Xeon 5050 and Core i9-9900KF.

PCIe version	no data	3.0
PCI Express lanes	no data	16

Pros & cons summary

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Physical cores	2	8
Threads	4	16
Chip lithography	65 nm	14 nm

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Should you still have questions on choice between Xeon 5050 and Core i9-9900KF, ask them in Comments section, and we shall answer.

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