i9-11900K vs Xeon D-1649N

Primary details

Comparing Xeon D-1649N and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	419
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	18.12
Market segment	Server	Desktop processor
Series	Intel Xeon D	no data
Power efficiency	no data	12.02
Architecture codename	Broadwell (2015−2019)	Rocket Lake (2021)
Release date	2 April 2019 (5 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$705	$539

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-1649N and Core i9-11900K 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	2.3 GHz	3.5 GHz
Boost clock speed	3 GHz	5.2 GHz
Bus type	DMI 2.0	no data
Bus rate	no data	8 GT/s
Multiplier	23	no data
L1 cache	512 KB	80 KB (per core)
L2 cache	2 MB	512 KB (per core)
L3 cache	12 MB	16 MB (shared)
Chip lithography	14 nm	14 nm
Die size	246.24 mm2	276 mm2
Maximum core temperature	105 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	3200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon D-1649N and Core i9-11900K 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)	1
Socket	FCBGA1667	FCLGA1200
Power consumption (TDP)	45 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1649N and Core i9-11900K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	+
GPIO	+	no data
Turbo Boost Max 3.0	no data	+
AMT	SPS 3.0	no data
Quiet System	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon D-1649N and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	-	+
SGX	-	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1649N and Core i9-11900K are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1649N and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR3	DDR4
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.124 GB/s	50 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics 750
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.3 GHz
Execution Units	no data	32
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon D-1649N and Core i9-11900K integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Xeon D-1649N and Core i9-11900K integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@60Hz
Max resolution over eDP	no data	5120 x 3200 @60Hz
Max resolution over DisplayPort	no data	5120 x 3200 @60Hz

Graphics API support

APIs supported by Xeon D-1649N and Core i9-11900K integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon D-1649N and Core i9-11900K.

PCIe version	2.0/3.0	4.0
PCI Express lanes	32	20
USB revision	2.0/3.0	no data
Total number of SATA ports	6	no data
Max number of SATA 6 Gb/s Ports	6	no data
Number of USB ports	8	no data
Integrated LAN	4x 10 GBE	no data
UART	+	no data

Pros & cons summary

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Recency	2 April 2019	16 March 2021
Power consumption (TDP)	45 Watt	125 Watt

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Should you still have questions on choice between Xeon D-1649N and Core i9-11900K, ask them in Comments section, and we shall answer.

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