Ultra 9 288V vs Xeon W-11855M

Place in the ranking	693	621
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	Intel Tiger Lake	no data
Power efficiency	30.82	39.52
Architecture codename	Tiger Lake-H (2021)	Lunar Lake (2024)
Release date	11 May 2021 (3 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

Xeon W-11855M and Core Ultra 9 288V 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	8
Base clock speed	3.2 GHz	3.3 GHz
Boost clock speed	4.9 GHz	5.1 GHz
Bus rate	8 GT/s	37 MHz
L1 cache	96K (per core)	192 KB (per core)
L2 cache	1.25 MB (per core)	2.5 MB (per core)
L3 cache	18 MB (shared)	12 MB (shared)
Chip lithography	10 nm SuperFin	3 nm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-11855M and Core Ultra 9 288V 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	Intel BGA 2833
Power consumption (TDP)	35 Watt	30 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-11855M and Core Ultra 9 288V. 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	+	no data
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-11855M and Core Ultra 9 288V 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-11855M and Core Ultra 9 288V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-11855M and Core Ultra 9 288V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
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 140V
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-11855M and Core Ultra 9 288V integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Xeon W-11855M and Core Ultra 9 288V 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-11855M and Core Ultra 9 288V 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-11855M and Core Ultra 9 288V.

PCIe version	4.0	5.0
PCI Express lanes	20	4

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 W-11855M 11.39

Ultra 9 288V 12.52
+9.9%

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 W-11855M 18097

Ultra 9 288V 19895
+9.9%

Gaming performance

Pros & cons summary

Performance score	11.39	12.52
Recency	11 May 2021	24 September 2024
Physical cores	6	8
Threads	12	8
Chip lithography	10 nm	3 nm
Power consumption (TDP)	35 Watt	30 Watt

Xeon W-11855M has 50% more threads.

Ultra 9 288V, on the other hand, has a 9.9% higher aggregate performance score, an age advantage of 3 years, 33.3% more physical cores, a 233.3% more advanced lithography process, and 16.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Xeon W-11855M and Core Ultra 9 288V.

Be aware that Xeon W-11855M is a server/workstation processor while Core Ultra 9 288V is a notebook one.

Should you still have questions on choice between Xeon W-11855M and Core Ultra 9 288V, ask them in Comments section, and we shall answer.