Ultra 7 155H vs Xeon W-2255

Primary details

Comparing Xeon W-2255 and Core Ultra 7 155H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	522	431
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Meteor Lake-H
Power efficiency	8.04	53.26
Architecture codename	no data	Meteor Lake-H (2023)
Release date	1 October 2019 (5 years ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	no data	$503

Detailed specifications

Xeon W-2255 and Core Ultra 7 155H 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	10 (Deca-Core)	16 (Hexadeca-Core)
Threads	20	22
Base clock speed	3.7 GHz	3.8 GHz
Boost clock speed	4.7 GHz	4.8 GHz
Bus rate	8 GT/s	no data
L1 cache	no data	112 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	19.25 MB	24 MB (shared)
Chip lithography	14 nm	Intel 4 nm
Maximum core temperature	62 °C	110 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-2255 and Core Ultra 7 155H 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	FCLGA2066	FCBGA2049
Power consumption (TDP)	165 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2255 and Core Ultra 7 155H. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Xeon W-2255 and Core Ultra 7 155H technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2255 and Core Ultra 7 155H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2255 and Core Ultra 7 155H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5
Maximum memory size	1 TB	96 GB
Max memory channels	4	2
Maximum memory bandwidth	93.85 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® Arc™ graphics
Quick Sync Video	-	+
Graphics max frequency	no data	2.25 GHz

Graphics interfaces

Available interfaces and connections of Xeon W-2255 and Core Ultra 7 155H integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon W-2255 and Core Ultra 7 155H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon W-2255 and Core Ultra 7 155H integrated GPUs, sometimes API versions are included.

DirectX	no data	12.2
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon W-2255 and Core Ultra 7 155H.

PCIe version	3.0	5.0
PCI Express lanes	48	8
PCI support	no data	5.0 and 4.0

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.

---

Pros & cons summary

---

Performance score	14.10	15.84
Recency	1 October 2019	14 December 2023
Physical cores	10	16
Threads	20	22
Power consumption (TDP)	165 Watt	28 Watt

---

Should you still have questions on choice between Xeon W-2255 and Core Ultra 7 155H, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---