i9-11900K vs Xeon E-2276M

Primary details

Comparing Xeon E-2276M and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	971	419
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	19.18	18.17
Market segment	Server	Desktop processor
Series	Intel Xeon E	no data
Power efficiency	15.63	12.02
Architecture codename	Coffee Lake-H (2018−2019)	Rocket Lake (2021)
Release date	29 May 2019 (5 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$450	$539

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2276M has 6% better value for money than i9-11900K.

Detailed specifications

Xeon E-2276M 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	16
Base clock speed	2.8 GHz	3.5 GHz
Boost clock speed	4.7 GHz	5.2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	28	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	12 MB (shared)	16 MB (shared)
Chip lithography	14 nm	14 nm
Die size	154 mm2	276 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon E-2276M 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	FCBGA1440	FCLGA1200
Power consumption (TDP)	45 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2276M and Core i9-11900K. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E-2276M and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	+
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2276M and Core i9-11900K are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E-2276M and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	50 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics P630	Intel UHD Graphics 750
Max video memory	64 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.2 GHz	1.3 GHz
Execution Units	no data	32
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Xeon E-2276M and Core i9-11900K integrated GPUs.

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E-2276M and Core i9-11900K integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@30Hz	4096x2160@60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200 @60Hz
Max resolution over DisplayPort	4096x2304@60Hz	5120 x 3200 @60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E-2276M and Core i9-11900K integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E-2276M and Core i9-11900K.

PCIe version	3.0	4.0
PCI Express lanes	16	20

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	7.43	15.87
Integrated graphics card	6.39	4.49
Recency	29 May 2019	16 March 2021
Physical cores	6	8
Threads	12	16
Power consumption (TDP)	45 Watt	125 Watt

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Should you still have questions on choice between Xeon E-2276M and Core i9-11900K, ask them in Comments section, and we shall answer.

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