Ultra 9 285T vs Xeon W-11955M

Primary details

Comparing Xeon W-11955M and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	505	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	48.39	no data
Market segment	Server	Desktop processor
Series	Intel Tiger Lake	no data
Power efficiency	38.42	no data
Architecture codename	Tiger Lake-H (2021)	Arrow Lake-S (2024−2025)
Release date	11 May 2021 (3 years ago)	January 2025
Launch price (MSRP)	$623	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-11955M and Core Ultra 9 285T 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	24
Base clock speed	2.1 GHz	1.4 GHz
Boost clock speed	5 GHz	5.4 GHz
Bus rate	8 GT/s	no data
L1 cache	80 KB (per core)	112 KB (per core)
L2 cache	1.25 MB (per core)	3 MB (per core)
L3 cache	24 MB (shared)	36 MB (shared)
Chip lithography	10 nm SuperFin	3 nm
Die size	190 mm2	243 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-11955M and Core Ultra 9 285T 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	FCBGA1787	1851
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-11955M and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Xeon W-11955M and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-11955M and Core Ultra 9 285T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-11955M and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5 Depends on motherboard
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 11th Gen Intel® Processors	Arc Xe2 Graphics 64EU
Quick Sync Video	+	-
Graphics max frequency	1.45 GHz	no data
Execution Units	32	no data

Graphics interfaces

Available interfaces and connections of Xeon W-11955M and Core Ultra 9 285T integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Xeon W-11955M and Core Ultra 9 285T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@60Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	7680x4320@60Hz	no data

Graphics API support

APIs supported by Xeon W-11955M and Core Ultra 9 285T integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Xeon W-11955M and Core Ultra 9 285T.

PCIe version	4.0	5.0
PCI Express lanes	20	20

Pros & cons summary

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Physical cores	8	24
Threads	16	24
Chip lithography	10 nm	3 nm

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