Core i9-12900K vs Xeon E-2278G

General info

Comparing Xeon E-2278G and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	640	158
Place by popularity	not in top-100	36
Value for money	5.51	60.32
Market segment	Server	Desktop processor
Series	Intel Xeon E	Intel Core i9
Architecture codename	Coffee Lake (2017−2019)	Alder Lake-S (2022)
Release date	27 May 2019 (4 years ago)	4 November 2021 (2 years ago)
Launch price (MSRP)	$494	$589
Current price	$1936 (3.9x MSRP)	$432 (0.7x MSRP)

Value for money

Performance per price, higher is better.

i9-12900K has 995% better value for money than Xeon E-2278G.

Technical specs

Xeon E-2278G and Core i9-12900K 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)	16 (Hexadeca-Core)
Threads	16	24
Base clock speed	3.4 GHz	3.2 GHz
Boost clock speed	5 GHz	5.2 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	512 KB	80K (per core)
L2 cache	2 MB	1.25 MB (per core)
L3 cache	16 MB	30 MB (shared)
Chip lithography	14 nm	10 nm
Die size	174 mm2	215.25 mm2"20.5 mm × 10.5 mm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E-2278G and Core i9-12900K 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	FCLGA1151	FCLGA1700
Power consumption (TDP)	80 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2278G and Core i9-12900K. 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
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
SIPP	no data	+
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Launched

Security technologies

Xeon E-2278G and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	no data
SGX	Yes with both Intel® SPS and Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2278G and Core i9-12900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E-2278G and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR5
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	76.8 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 770
Max video memory	128 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	1.2 GHz	1.55 GHz
Execution Units	no data	32
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E-2278G and Core i9-12900K integrated GPUs.

Number of displays supported

3

4

Graphics image quality

Maximum display resolutions supported by Xeon E-2278G and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2160@24Hz	4096 x 2160 @ 60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680 x 4320 @ 60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E-2278G and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E-2278G and Core i9-12900K.

PCIe version	3.0	5.0 and 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.

Core i9-12900K outperforms Xeon E-2278G by 143% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	10.92	26.52
Integrated graphics card		6.13
Recency	27 May 2019	4 November 2021
Physical cores	8	16
Threads	16	24
Cost	$494	$589
Chip lithography	14 nm	10 nm
Power consumption (TDP)	80 Watt	125 Watt

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Should you still have questions on choice between Xeon E-2278G and Core i9-12900K, ask them in Comments section, and we shall answer.

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