Xeon E-2378G vs Core i9-11900KB

Primary details

Comparing Core i9-11900KB and Xeon E-2378G processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	448	506
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	34.10
Market segment	Desktop processor	Server
Architecture codename	Tiger Lake-H (2021)	Rocket Lake-E (2021)
Release date	May 2021 (3 years ago)	8 September 2021 (2 years ago)
Launch price (MSRP)	$539	no data
Current price	no data	$605

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-11900KB and Xeon E-2378G 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	3.3 GHz	2.8 GHz
Boost clock speed	4.9 GHz	5.1 GHz
L1 cache	80K (per core)	64K (per core)
L2 cache	1.25 MB (per core)	512K (per core)
L3 cache	24 MB (shared)	16 MB (shared)
Chip lithography	10 nm SuperFin	14 nm
Die size	190 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-11900KB and Xeon E-2378G 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	FCBGA1787	FCLGA1200
Power consumption (TDP)	65 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KB and Xeon E-2378G. 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	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
TSX	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Turbo Boost Max 3.0	+	no data
Status	Launched	Launched

Security technologies

Core i9-11900KB and Xeon E-2378G technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	no data	+
Identity Protection	+	no data
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 E-2378G 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 E-2378G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
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	Intel UHD Graphics P750
Max video memory	no data	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	1.45 GHz	1.3 GHz
Execution Units	32	32
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i9-11900KB and Xeon E-2378G integrated GPUs.

Number of displays supported

4

1

Graphics image quality

Maximum display resolutions supported by Core i9-11900KB and Xeon E-2378G integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@60Hz	4096 x 2160 @60 Hz
Max resolution over eDP	4096 x 2304@60Hz	5120 x 3200 @ 60 Hz
Max resolution over DisplayPort	7680x4320@60Hz	5120 x 3200 @ 60 Hz

Graphics API support

APIs supported by Core i9-11900KB and Xeon E-2378G integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.6	4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KB and Xeon E-2378G.

PCIe version	4.0	4.0
PCI Express lanes	20	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.

Core i9-11900KB outperforms Xeon E-2378G by 8% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	14.80	13.68
Chip lithography	10 nm	14 nm
Power consumption (TDP)	65 Watt	80 Watt

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Should you still have questions on choice between Core i9-11900KB and Xeon E-2378G, ask them in Comments section, and we shall answer.

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