i9-11900KB vs Xeon 654

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	129	674
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	33.67	14.36
Market segment	Server	Desktop processor
Power efficiency	7.39	8.44
Designer	Intel	Intel
Manufacturer	Intel	Intel
Architecture codename	Granite Rapids (2024−2026)	Tiger Lake-H (2021)
Release date	2 February 2026 (recently)	May 2021 (4 years ago)
Launch price (MSRP)	$1,199	$539

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon 654 has 134% better value for money than i9-11900KB.

Performance to price scatter graph

Detailed specifications

Xeon 654 and Core i9-11900KB 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	18 (Octadeca-Core)	8 (Octa-Core)
Performance-cores	18	no data
Threads	36	16
Base clock speed	3.1 GHz	3.3 GHz
Boost clock speed	4.8 GHz	4.9 GHz
Bus rate	0 GT/s	8 GT/s
L1 cache	112 KB (per core)	80 KB (per core)
L2 cache	2 MB (per core)	1.25 MB (per core)
L3 cache	72 MB (shared)	24 MB (shared)
Chip lithography	Intel 3 nm	10 nm SuperFin
Die size	2x 598 mm2	190 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	+	+

Compatibility

Information on Xeon 654 and Core i9-11900KB 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
Socket	FCLGA4710	FCBGA1787
Power consumption (TDP)	200 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 654 and Core i9-11900KB. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
SIPP	-	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+

Security technologies

Xeon 654 and Core i9-11900KB technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 654 and Core i9-11900KB are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 654 and Core i9-11900KB. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5(6400MT/s)	DDR4
Maximum memory size	4 TB	128 GB
Max memory channels	8	2
Maximum memory bandwidth	no data	51.2 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel UHD Graphics for 11th Gen Intel Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Xeon 654 and Core i9-11900KB integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon 654 and Core i9-11900KB integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Xeon 654 and Core i9-11900KB integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon 654 and Core i9-11900KB.

PCIe version	5.0	4.0
PCI Express lanes	128	20

Synthetic benchmarks

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating.

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Pros & cons summary

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Performance score	35.02	12.99
Physical cores	18	8
Threads	36	16
Power consumption (TDP)	200 Watt	65 Watt

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