i9-14900K vs Xeon D-2799

Place in the ranking	258	80
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	28.12	64.60
Market segment	Server	Desktop processor
Power efficiency	15.59	28.56
Architecture codename	Ice Lake-D (2022−2023)	Raptor Lake-R (2023−2024)
Release date	24 February 2022 (2 years ago)	17 October 2023 (1 year ago)
Launch price (MSRP)	$1,972	$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-14900K has 130% better value for money than Xeon D-2799.

Detailed specifications

Xeon D-2799 and Core i9-14900K 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	20 (Icosa-Core)	24 (Tetracosa-Core)
Threads	40	32
Base clock speed	2.4 GHz	3.2 GHz
Boost clock speed	3.4 GHz	5.8 GHz
L1 cache	80 KB (per core)	80 KB (per core)
L2 cache	1.25 MB (per core)	2 MB (per core)
L3 cache	30 MB (shared)	36 MB (shared)
Chip lithography	10 nm	Intel 7 nm
Die size	no data	257 mm²
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon D-2799 and Core i9-14900K 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	FCBGA2579	FCLGA1700
Power consumption (TDP)	129 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2799 and Core i9-14900K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	-	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	no data	+
Deep Learning Boost	+	+

Security technologies

Xeon D-2799 and Core i9-14900K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
SGX	Yes with Intel® SPS	no data
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2799 and Core i9-14900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2799 and Core i9-14900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4, DDR5
Maximum memory size	1 TB	192 GB
Max memory channels	4	2
Maximum memory bandwidth	no data	89.6 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel UHD Graphics 770
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.65 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Xeon D-2799 and Core i9-14900K integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Xeon D-2799 and Core i9-14900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon D-2799 and Core i9-14900K integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon D-2799 and Core i9-14900K.

PCIe version	4.0	5.0 and 4.0
PCI Express lanes	32	16
USB revision	3.0	no data
Max number of SATA 6 Gb/s Ports	24	no data
Number of USB ports	4	no data
Integrated LAN	-	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

Xeon D-2799 21.27

i9-14900K 37.75
+77.5%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon D-2799 33792

i9-14900K 59966
+77.5%

Gaming performance

Pros & cons summary

Performance score	21.27	37.75
Recency	24 February 2022	17 October 2023
Physical cores	20	24
Threads	40	32
Power consumption (TDP)	129 Watt	125 Watt

Xeon D-2799 has 25% more threads.

i9-14900K, on the other hand, has a 77.5% higher aggregate performance score, an age advantage of 1 year, 20% more physical cores, and 3.2% lower power consumption.

The Core i9-14900K is our recommended choice as it beats the Xeon D-2799 in performance tests.

Be aware that Xeon D-2799 is a server/workstation processor while Core i9-14900K is a desktop one.

Should you still have questions on choice between Xeon D-2799 and Core i9-14900K, ask them in Comments section, and we shall answer.