Intel Xeon W-11555MRE vs Intel Xeon W-11855M

Comparative analysis of Intel Xeon W-11555MRE 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.

Intel Xeon W-11555MRE

Intel Xeon W-11855M

Differences

Reasons to consider the Intel Xeon W-11855M

Around 9% higher clock speed: 4.90 GHz vs 4.50 GHz
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 2% better performance in PassMark - CPU mark: 17891 vs 17484

Specifications (specs)
Maximum frequency	4.90 GHz vs 4.50 GHz
L3 cache	18 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	3206 vs 3201
PassMark - CPU mark	17891 vs 17484

Compare benchmarks

CPU 1: Intel Xeon W-11555MRE
CPU 2: Intel Xeon W-11855M

PassMark - Single thread mark

CPU 1

CPU 2

3201

3206

PassMark - CPU mark

CPU 1

CPU 2

17484

17891

Name	Intel Xeon W-11555MRE	Intel Xeon W-11855M
PassMark - Single thread mark	3201	3206
PassMark - CPU mark	17484	17891

Compare specifications (specs)

	Intel Xeon W-11555MRE	Intel Xeon W-11855M
Essentials
Architecture codename	Tiger Lake	Tiger Lake
Launch date	Q3'21	11 May 2021
Launch price (MSRP)	$359	$450
Place in performance rating	513	509
Processor Number	W-11555MRE	W-11855M
Series	Intel Xeon W Processor	Intel Xeon W Processor
Vertical segment	Embedded	Mobile
Status		Launched
Performance
64 bit support
L3 cache	12 MB	18 MB
Manufacturing process technology	10 nm SuperFin	10 nm SuperFin
Maximum core temperature	100°C	100°C
Maximum frequency	4.50 GHz	4.90 GHz
Number of cores	6	6
Number of threads	12	12
Bus Speed		8 GT/s
L1 cache		480 KB
L2 cache		7.5 MB
Memory
Max memory channels	2	2
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-3200	Up to 3200 MT/s
Maximum memory bandwidth		51.2 GB/s
Graphics
Device ID	0x9A70	0x9A70
Execution Units	32	32
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.35 GHz	1.45 GHz
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics for 11th Gen Intel Processors	Intel UHD Graphics for 11th Gen Intel Processors
Graphics interfaces
Number of displays supported	4	4
Graphics image quality
Max resolution over DisplayPort	7680x4320@60Hz	7680x4320@60Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Graphics API support
DirectX	12.1	12.1
OpenGL	4.6	4.6
Compatibility
Configurable TDP-down	35 Watt	35 Watt
Configurable TDP-up	45 Watt	45 Watt
Max number of CPUs in a configuration	1	1
Package Size	50 x 26.5	50 x 26.5
Sockets supported	FCBGA1787	FCBGA1787
Configurable TDP-down Frequency		2.60 GHz
Configurable TDP-up Frequency		3.20 GHz
Peripherals
Max number of PCIe lanes	20	20
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Security & Reliability
Intel® OS Guard
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Secure Key technology
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512	Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units	6
Speed Shift technology
Thermal Monitoring
Intel® Flex Memory Access
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)