Xeon Gold 6558Q vs i9-11900KB

Primary details

Comparing Core i9-11900KB and Xeon Gold 6558Q processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	496	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	17.86	no data
Market segment	Desktop processor	Server
Power efficiency	21.01	no data
Architecture codename	Tiger Lake-H (2021)	no data
Release date	May 2021 (3 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$539	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-11900KB and Xeon Gold 6558Q 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)	32 (Dotriaconta-Core)
Threads	16	64
Base clock speed	3.3 GHz	3.2 GHz
Boost clock speed	4.9 GHz	4.1 GHz
Bus rate	8 GT/s	no data
L1 cache	80K (per core)	no data
L2 cache	1.25 MB (per core)	no data
L3 cache	24 MB (shared)	60 MB
Chip lithography	10 nm SuperFin	Intel 7 nm
Die size	190 mm2	no data
Maximum core temperature	100 °C	66 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	-
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i9-11900KB and Xeon Gold 6558Q 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	no data
Socket	FCBGA1787	FCLGA4677
Power consumption (TDP)	65 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KB and Xeon Gold 6558Q. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-11900KB and Xeon Gold 6558Q technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900KB and Xeon Gold 6558Q are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900KB and Xeon Gold 6558Q. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-5200
Maximum memory size	128 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core i9-11900KB and Xeon Gold 6558Q integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i9-11900KB and Xeon Gold 6558Q integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i9-11900KB and Xeon Gold 6558Q integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KB and Xeon Gold 6558Q.

PCIe version	4.0	5.0
PCI Express lanes	20	80

Pros & cons summary

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Physical cores	8	32
Threads	16	64
Power consumption (TDP)	65 Watt	350 Watt

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Should you still have questions on choice between Core i9-11900KB and Xeon Gold 6558Q, ask them in Comments section, and we shall answer.

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