Xeon W-10855M vs Ultra 7 155H

Place in the ranking	433	953
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Mobile workstation
Series	Intel Meteor Lake-H	Intel Comet Lake
Power efficiency	53.47	16.68
Architecture codename	Meteor Lake-H (2023)	Comet Lake-H (2020)
Release date	14 December 2023 (1 year ago)	13 May 2020 (4 years ago)
Launch price (MSRP)	$503	no data

Detailed specifications

Core Ultra 7 155H and Xeon W-10855M 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)	6 (Hexa-Core)
Threads	22	12
Base clock speed	3.8 GHz	2.8 GHz
Boost clock speed	4.8 GHz	4.9 GHz
Bus rate	no data	8 GT/s
L1 cache	112 KB (per core)	384 KB
L2 cache	2 MB (per core)	1.5 MB
L3 cache	24 MB (shared)	12 MB
Chip lithography	7 nm	14 nm
Maximum core temperature	110 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	no data	+

Compatibility

Information on Core Ultra 7 155H and Xeon W-10855M 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	Intel BGA 2049	FCBGA1440
Power consumption (TDP)	28 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon W-10855M. You'll probably need this information if you require some particular technology.

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

Security technologies

Core Ultra 7 155H and Xeon W-10855M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon W-10855M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Xeon W-10855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	45.8 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Arc 8-Cores iGPU ( - 2250 MHz)	Intel UHD Graphics for 10th Gen Intel Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.2 GHz

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Xeon W-10855M integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Xeon W-10855M integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@30Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by Core Ultra 7 155H and Xeon W-10855M integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon W-10855M.

PCIe version	5.0	3.0
PCI Express lanes	8	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.

Ultra 7 155H 15.82
+99.5%

Xeon W-10855M 7.93

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.

Ultra 7 155H 25131
+99.5%

Xeon W-10855M 12594

Geekbench 5.5 Multi-Core

Ultra 7 155H 12184
+95.5%

Xeon W-10855M 6231

Gaming performance

Pros & cons summary

Performance score	15.82	7.93
Integrated graphics card	18.48	5.58
Recency	14 December 2023	13 May 2020
Physical cores	16	6
Threads	22	12
Chip lithography	7 nm	14 nm
Power consumption (TDP)	28 Watt	45 Watt

Ultra 7 155H has a 99.5% higher aggregate performance score, 231.2% faster integrated GPU, an age advantage of 3 years, 166.7% more physical cores and 83.3% more threads, a 100% more advanced lithography process, and 60.7% lower power consumption.

The Core Ultra 7 155H is our recommended choice as it beats the Xeon W-10855M in performance tests.

Be aware that Core Ultra 7 155H is a notebook processor while Xeon W-10855M is a mobile workstation one.

Should you still have questions on choice between Core Ultra 7 155H and Xeon W-10855M, ask them in Comments section, and we shall answer.