Ultra 5 245KF vs Xeon Silver 4509Y

Primary details

Comparing Xeon Silver 4509Y and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	176
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	81.94
Market segment	Server	Desktop processor
Power efficiency	no data	20.74
Architecture codename	Sapphire Rapids (2023−2024)	Arrow Lake-S (2024−2025)
Release date	14 December 2023 (1 year ago)	24 October 2024 (less than a year ago)
Launch price (MSRP)	$563	$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Silver 4509Y and Core Ultra 5 245KF 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)	14 (Tetradeca-Core)
Threads	16	14
Base clock speed	2.6 GHz	4.2 GHz
Boost clock speed	4.1 GHz	5.2 GHz
L1 cache	80 KB (per core)	112 KB (per core)
L2 cache	2 MB (per core)	3 MB (per core)
L3 cache	22.5 MB (shared)	24 MB (shared)
Chip lithography	Intel 7 nm	3 nm
Die size	no data	243 mm2
Maximum case temperature (TCase)	84 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+

Compatibility

Information on Xeon Silver 4509Y and Core Ultra 5 245KF 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	FCLGA4677	1851
Power consumption (TDP)	125 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4509Y and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Deep Learning Boost	+	-

Security technologies

Xeon Silver 4509Y and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4509Y and Core Ultra 5 245KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4509Y and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5 @ 4400 MT/s (1 DPC &2DPC)	DDR5
Maximum memory size	4 TB	no data
Max memory channels	8	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4509Y and Core Ultra 5 245KF.

PCIe version	5	5.0
PCI Express lanes	80	20

Pros & cons summary

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Recency	14 December 2023	24 October 2024
Physical cores	8	14
Threads	16	14

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Should you still have questions on choice between Xeon Silver 4509Y and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

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