Ultra 9 285K vs Xeon w5-2465X

Place in the ranking	147	54
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	62.55	74.27
Market segment	Server	Desktop processor
Power efficiency	13.90	32.56
Architecture codename	Sapphire Rapids (2023−2024)	Arrow Lake-S (2024−2025)
Release date	15 February 2023 (1 year ago)	24 October 2024 (less than a year ago)
Launch price (MSRP)	$1,389	$589

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 9 285K has 19% better value for money than Xeon w5-2465X.

Detailed specifications

Xeon w5-2465X and Core Ultra 9 285K 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	16 (Hexadeca-Core)	24 (Tetracosa-Core)
Threads	32	24
Base clock speed	3.1 GHz	3.7 GHz
Boost clock speed	4.7 GHz	5.6 GHz
Bus rate	no data	250 MHz
L1 cache	80 KB (per core)	112 KB (per core)
L2 cache	2 MB (per core)	3 MB (per core)
L3 cache	33.75 MB	36 MB (shared)
Chip lithography	Intel 7 nm	3 nm
Die size	no data	243 mm²
Maximum case temperature (TCase)	78 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	+

Compatibility

Information on Xeon w5-2465X and Core Ultra 9 285K 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	FCLGA4677	FCLGA1851
Power consumption (TDP)	200 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w5-2465X and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	no data
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
SIPP	-	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Xeon w5-2465X and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
SGX	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon w5-2465X and Core Ultra 9 285K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w5-2465X and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-6400
Maximum memory size	2 TB	192 GB
Max memory channels	4	2
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel® Graphics
Quick Sync Video	-	+
Graphics max frequency	no data	2 GHz

Graphics interfaces

Available interfaces and connections of Xeon w5-2465X and Core Ultra 9 285K integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Xeon w5-2465X and Core Ultra 9 285K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	4K @ 60Hz
Max resolution over DisplayPort	no data	8K @ 60Hz

Graphics API support

APIs supported by Xeon w5-2465X and Core Ultra 9 285K 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 w5-2465X and Core Ultra 9 285K.

PCIe version	5.0	5.0 and 4.0
PCI Express lanes	64	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.

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 w5-2465X 29.40

Ultra 9 285K 43.04
+46.4%

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 w5-2465X 46707

Ultra 9 285K 68370
+46.4%

Gaming performance

Pros & cons summary

Performance score	29.40	43.04
Recency	15 February 2023	24 October 2024
Physical cores	16	24
Threads	32	24
Power consumption (TDP)	200 Watt	125 Watt

Xeon w5-2465X has 33.3% more threads.

Ultra 9 285K, on the other hand, has a 46.4% higher aggregate performance score, an age advantage of 1 year, 50% more physical cores, and 60% lower power consumption.

The Core Ultra 9 285K is our recommended choice as it beats the Xeon w5-2465X in performance tests.

Be aware that Xeon w5-2465X is a server/workstation processor while Core Ultra 9 285K is a desktop one.

Should you still have questions on choice between Xeon w5-2465X and Core Ultra 9 285K, ask them in Comments section, and we shall answer.