Intel Core Ultra 7 155U vs Intel Xeon W-11955M

Comparative analysis of Intel Core Ultra 7 155U and Intel Xeon W-11955M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Core Ultra 7 155U

Intel Xeon W-11955M

Differences

Reasons to consider the Intel Core Ultra 7 155U

CPU is newer: launch date 2 year(s) 7 month(s) later
4 more cores, run more applications at once: 12 vs 8
Around 10% higher maximum core temperature: 110°C vs 100°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
Around 75% more L1 cache; more data can be stored in the L1 cache for quick access later
2.4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 5% better performance in PassMark - Single thread mark: 3456 vs 3287

Specifications (specs)
Launch date	14 Dec 2023 vs 11 May 2021
Number of cores	12 vs 8
Maximum core temperature	110°C vs 100°C
Manufacturing process technology	7 nm vs 10 nm SuperFin
L1 cache	112 KB (per core) vs 768 KB
L2 cache	2 MB (per core) vs 10 MB
Benchmarks
PassMark - Single thread mark	3456 vs 3287

Reasons to consider the Intel Xeon W-11955M

2 more threads: 16 vs 14
Around 4% higher clock speed: 5.00 GHz vs 4.8 GHz
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 34% better performance in PassMark - CPU mark: 22493 vs 16742

Specifications (specs)
Number of threads	16 vs 14
Maximum frequency	5.00 GHz vs 4.8 GHz
L3 cache	24 MB vs 12 MB (shared)
Benchmarks
PassMark - CPU mark	22493 vs 16742

Compare benchmarks

CPU 1: Intel Core Ultra 7 155U
CPU 2: Intel Xeon W-11955M

PassMark - Single thread mark

CPU 1

CPU 2

3456

3287

PassMark - CPU mark

CPU 1

CPU 2

16742

22493

Name	Intel Core Ultra 7 155U	Intel Xeon W-11955M
PassMark - Single thread mark	3456	3287
PassMark - CPU mark	16742	22493

Compare specifications (specs)

	Intel Core Ultra 7 155U	Intel Xeon W-11955M
Essentials
Launch date	14 Dec 2023	11 May 2021
Launch price (MSRP)	$490	$623
Place in performance rating	427	424
Architecture codename		Tiger Lake
Processor Number		W-11955M
Series		Intel Xeon W Processor
Status		Launched
Vertical segment		Mobile
Performance
Base frequency	1700 MHz
L1 cache	112 KB (per core)	768 KB
L2 cache	2 MB (per core)	10 MB
L3 cache	12 MB (shared)	24 MB
Manufacturing process technology	7 nm	10 nm SuperFin
Maximum core temperature	110°C	100°C
Maximum frequency	4.8 GHz	5.00 GHz
Number of cores	12	8
Number of threads	14	16
Unlocked
64 bit support
Bus Speed		8 GT/s
Memory
ECC memory support
Supported memory types	DDR5, Depends on motherboard	Up to 3200 MT/s
Max memory channels		2
Maximum memory bandwidth		51.2 GB/s
Maximum memory size		128 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 2049	FCBGA1787
Thermal Design Power (TDP)	15 Watt
Configurable TDP-down		35 Watt
Configurable TDP-down Frequency		2.10 GHz
Configurable TDP-up		45 Watt
Configurable TDP-up Frequency		2.60 GHz
Package Size		50 x 26.5
Peripherals
PCIe configurations	Gen 4, 12 Lanes, (CPU only)	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Max number of PCIe lanes		20
Graphics
Device ID		0x9A70
Execution Units		32
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.45 GHz
Intel® Quick Sync Video
Processor graphics		Intel UHD Graphics for 11th Gen Intel Processors
Graphics interfaces
Number of displays supported		4
Graphics image quality
Max resolution over DisplayPort		7680x4320@60Hz
Max resolution over eDP		4096x2304@60Hz
Graphics API support
DirectX		12.1
OpenGL		4.6
Security & Reliability
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Secure Boot
Advanced Technologies
Instruction set extensions		Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)