i9-14900KF vs Xeon Silver 4309Y

Place in performance ranking	612	76
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Architecture codename	Ice Lake-SP (2021)	Raptor Lake-R (2023−2024)
Release date	6 April 2021 (3 years ago)	17 October 2023 (less than a year ago)

Detailed specifications

Xeon Silver 4309Y and Core i9-14900KF 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)	24 (Tetracosa-Core)
Threads	16	32
Base clock speed	2.8 GHz	3.2 GHz
Boost clock speed	3.6 GHz	5.8 GHz
L1 cache	64K (per core)	80 KB (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	12 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
Maximum case temperature (TCase)	76 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Silver 4309Y and Core i9-14900KF 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	2	1
Socket	FCLGA4189	FCLGA1700
Power consumption (TDP)	105 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4309Y and Core i9-14900KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Silver 4309Y and Core i9-14900KF 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 Silver 4309Y and Core i9-14900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4309Y and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	DDR5-5600, DDR4-3200
Maximum memory size	6 TB	192 GB
Max memory channels	8	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

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4309Y and Core i9-14900KF.

PCIe version	4.0	5.0 and 4.0
PCI Express lanes	64	16

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 Silver 4309Y 12.35

i9-14900KF 38.55
+212%

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 Silver 4309Y 19100

i9-14900KF 59622
+212%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon Silver 4309Y 1413

i9-14900KF 3092
+119%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon Silver 4309Y 7365

i9-14900KF 20651
+180%

Gaming performance

Pros & cons summary

Performance score	12.35	38.55
Recency	6 April 2021	17 October 2023
Physical cores	8	24
Threads	16	32
Power consumption (TDP)	105 Watt	125 Watt

Xeon Silver 4309Y has 19% lower power consumption.

i9-14900KF, on the other hand, has a 212.1% higher aggregate performance score, an age advantage of 2 years, and 200% more physical cores and 100% more threads.

The Core i9-14900KF is our recommended choice as it beats the Xeon Silver 4309Y in performance tests.

Be aware that Xeon Silver 4309Y is a server/workstation processor while Core i9-14900KF is a desktop one.

Should you still have questions on choice between Xeon Silver 4309Y and Core i9-14900KF, ask them in Comments section, and we shall answer.