AMD Ryzen Z1 Extreme vs Intel Xeon W-11855M

Comparative analysis of AMD Ryzen Z1 Extreme and Intel Xeon W-11855M 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, 3DMark Fire Strike - Physics Score.

AMD Ryzen Z1 Extreme

Intel Xeon W-11855M

Differences

Reasons to consider the AMD Ryzen Z1 Extreme

CPU is newer: launch date 1 year(s) 11 month(s) later
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 4% higher clock speed: 5.1 GHz vs 4.90 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 10 nm SuperFin
Around 7% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 12% better performance in PassMark - Single thread mark: 3599 vs 3206
Around 40% better performance in PassMark - CPU mark: 25090 vs 17891

Specifications (specs)
Launch date	May 2023 vs 11 May 2021
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.1 GHz vs 4.90 GHz
Manufacturing process technology	4 nm vs 10 nm SuperFin
L1 cache	64K (per core) vs 480 KB
Benchmarks
PassMark - Single thread mark	3599 vs 3206
PassMark - CPU mark	25090 vs 17891

Reasons to consider the Intel Xeon W-11855M

983040x more L2 cache, more data can be stored in the L2 cache for quick access later
1179648x more L3 cache, more data can be stored in the L3 cache for quick access later

L2 cache	7.5 MB vs 1MB (per core)
L3 cache	18 MB vs 16MB (shared)

Compare benchmarks

CPU 1: AMD Ryzen Z1 Extreme
CPU 2: Intel Xeon W-11855M

PassMark - Single thread mark

CPU 1

CPU 2

3599

3206

PassMark - CPU mark

CPU 1

CPU 2

25090

17891

Name	AMD Ryzen Z1 Extreme	Intel Xeon W-11855M
PassMark - Single thread mark	3599	3206
PassMark - CPU mark	25090	17891
3DMark Fire Strike - Physics Score	6140

Compare specifications (specs)

	AMD Ryzen Z1 Extreme	Intel Xeon W-11855M
Essentials
Launch date	May 2023	11 May 2021
Place in performance rating	523	509
Architecture codename		Tiger Lake
Launch price (MSRP)		$450
Processor Number		W-11855M
Series		Intel Xeon W Processor
Status		Launched
Vertical segment		Mobile
Performance
Base frequency	3.3 GHz
Die size	178 mm²
L1 cache	64K (per core)	480 KB
L2 cache	1MB (per core)	7.5 MB
L3 cache	16MB (shared)	18 MB
Manufacturing process technology	4 nm	10 nm SuperFin
Maximum core temperature	100°C	100°C
Maximum frequency	5.1 GHz	4.90 GHz
Number of cores	8	6
Number of threads	16	12
Transistor count	25,000 million
Unlocked
64 bit support
Bus Speed		8 GT/s
Memory
ECC memory support
Supported memory types	DDR5-5600 MHz, Dual-channel	Up to 3200 MT/s
Max memory channels		2
Maximum memory bandwidth		51.2 GB/s
Maximum memory size		128 GB
Compatibility
Configurable TDP	9-30 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	FCBGA1787
Thermal Design Power (TDP)	15 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
Package Size		50 x 26.5
Peripherals
PCIe configurations	Gen 4, 20 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)