Intel Core i9-12900H vs Intel Xeon W-11855M

Comparative analysis of Intel Core i9-12900H and Intel Xeon W-11855M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-12900H

Intel Xeon W-11855M

Differences

Reasons to consider the Intel Core i9-12900H

CPU is newer: launch date 7 month(s) later
8 more cores, run more applications at once: 14 vs 6
8 more threads: 20 vs 12
Around 2% higher clock speed: 5.00 GHz vs 4.90 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
2.3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 16% better performance in PassMark - Single thread mark: 3804 vs 3274
Around 54% better performance in PassMark - CPU mark: 28190 vs 18272

Specifications (specs)
Launch date	4 Jan 2022 vs 11 May 2021
Number of cores	14 vs 6
Number of threads	20 vs 12
Maximum frequency	5.00 GHz vs 4.90 GHz
Manufacturing process technology	7 nm vs 10 nm SuperFin
L1 cache	1120 KB vs 480 KB
L2 cache	17.5 MB vs 7.5 MB
L3 cache	24 MB vs 18 MB
Benchmarks
PassMark - Single thread mark	3804 vs 3274
PassMark - CPU mark	28190 vs 18272

Reasons to consider the Intel Xeon W-11855M

2x more maximum memory size: 128 GB vs 64 GB

Maximum memory size	128 GB vs 64 GB

Compare benchmarks

CPU 1: Intel Core i9-12900H
CPU 2: Intel Xeon W-11855M

PassMark - Single thread mark

CPU 1

CPU 2

3804

3274

PassMark - CPU mark

CPU 1

CPU 2

28190

18272

Name	Intel Core i9-12900H	Intel Xeon W-11855M
PassMark - Single thread mark	3804	3274
PassMark - CPU mark	28190	18272
3DMark Fire Strike - Physics Score	7534

Compare specifications (specs)

	Intel Core i9-12900H	Intel Xeon W-11855M
Essentials
Architecture codename	Alder Lake	Tiger Lake
Launch date	4 Jan 2022	11 May 2021
Launch price (MSRP)	$617	$450
Place in performance rating	420	401
Processor Number	i9-12900H	W-11855M
Series	12th Generation Intel Core i9 Processors	Intel Xeon W Processor
Vertical segment	Mobile	Mobile
Status		Launched
Performance
64 bit support
L1 cache	1120 KB	480 KB
L2 cache	17.5 MB	7.5 MB
L3 cache	24 MB	18 MB
Manufacturing process technology	7 nm	10 nm SuperFin
Maximum core temperature	100°C	100°C
Maximum frequency	5.00 GHz	4.90 GHz
Number of cores	14	6
Number of threads	20	12
Bus Speed		8 GT/s
Memory
Max memory channels	2	2
Maximum memory size	64 GB	128 GB
Supported memory types	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s	Up to 3200 MT/s
Maximum memory bandwidth		51.2 GB/s
Graphics
Device ID	0x46A6	0x9A70
Execution Units	96	32
Graphics max dynamic frequency	1.45 GHz	1.45 GHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel UHD Graphics for 11th Gen Intel Processors
Graphics base frequency		350 MHz
Graphics interfaces
Number of displays supported	4	4
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	7680x4320@60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz	4096x2304@60Hz
Graphics API support
DirectX	12.1	12.1
OpenGL	4.6	4.6
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	50 x 25	50 x 26.5
Sockets supported	FCBGA1744	FCBGA1787
Thermal Design Power (TDP)	45 Watt
Configurable TDP-down		35 Watt
Configurable TDP-down Frequency		2.60 GHz
Configurable TDP-up		45 Watt
Configurable TDP-up Frequency		3.20 GHz
Peripherals
Max number of PCIe lanes	28	20
PCIe configurations		Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Software Guard Extensions (Intel® SGX)
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2	Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)