Xeon Silver 4123 vs i7-11700K

Primary details

Comparing Core i7-11700K and Xeon Silver 4123 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	444	842
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	Intel Core i7	no data
Power efficiency	11.71	8.17
Architecture codename	Rocket Lake (2021)	no data
Release date	16 March 2021 (3 years ago)	1 January 2018 (6 years ago)

Detailed specifications

Core i7-11700K and Xeon Silver 4123 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	3.6 GHz	3 GHz
Boost clock speed	5 GHz	3.2 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	no data
L2 cache	512K (per core)	no data
L3 cache	16 MB (shared)	11 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	-
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-11700K and Xeon Silver 4123 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	FCLGA1200	FCLGA3647
Power consumption (TDP)	125 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-11700K and Xeon Silver 4123. 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® AVX-512
AES-NI	+	+
FMA	+	-
AVX	+	-
vPro	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
SIPP	+	-
Turbo Boost Max 3.0	+	-
Deep Learning Boost	+	-

Security technologies

Core i7-11700K and Xeon Silver 4123 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-11700K and Xeon Silver 4123 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-11700K and Xeon Silver 4123. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2400
Maximum memory size	128 GB	512 GB
Max memory channels	2	6
Maximum memory bandwidth	50 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core i7-11700K and Xeon Silver 4123 integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i7-11700K and Xeon Silver 4123 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i7-11700K and Xeon Silver 4123 integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-11700K and Xeon Silver 4123.

PCIe version	4.0	3.0
PCI Express lanes	20	48

Synthetic benchmark performance

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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	15.47	9.07
Recency	16 March 2021	1 January 2018
Power consumption (TDP)	125 Watt	105 Watt

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Should you still have questions on choice between Core i7-11700K and Xeon Silver 4123, ask them in Comments section, and we shall answer.

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