AMD Ryzen Z1 Extreme vs Intel Core i7-1255U

Comparative analysis of AMD Ryzen Z1 Extreme and Intel Core i7-1255U 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 Core i7-1255U

Differences

Reasons to consider the AMD Ryzen Z1 Extreme

CPU is newer: launch date 1 year(s) 2 month(s) later
4 more threads: 16 vs 12
Around 9% higher clock speed: 5.1 GHz vs 4.70 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 7 nm
Around 11% better performance in PassMark - Single thread mark: 3611 vs 3258
Around 85% better performance in PassMark - CPU mark: 25125 vs 13566

Specifications (specs)
Launch date	May 2023 vs 23 Feb 2022
Number of threads	16 vs 12
Maximum frequency	5.1 GHz vs 4.70 GHz
Manufacturing process technology	4 nm vs 7 nm
Benchmarks
PassMark - Single thread mark	3611 vs 3258
PassMark - CPU mark	25125 vs 13566

Reasons to consider the Intel Core i7-1255U

2 more cores, run more applications at once: 10 vs 8
Around 56% more L1 cache; more data can be stored in the L1 cache for quick access later
1638400x more L2 cache, more data can be stored in the L2 cache for quick access later
786432x more L3 cache, more data can be stored in the L3 cache for quick access later

Number of cores	10 vs 8
L1 cache	800 KB vs 64K (per core)
L2 cache	12.5 MB vs 1MB (per core)
L3 cache	12 MB vs 16MB (shared)

Compare benchmarks

CPU 1: AMD Ryzen Z1 Extreme
CPU 2: Intel Core i7-1255U

PassMark - Single thread mark

CPU 1

CPU 2

3611

3258

PassMark - CPU mark

CPU 1

CPU 2

25125

13566

Name	AMD Ryzen Z1 Extreme	Intel Core i7-1255U
PassMark - Single thread mark	3611	3258
PassMark - CPU mark	25125	13566
3DMark Fire Strike - Physics Score	6155

Compare specifications (specs)

	AMD Ryzen Z1 Extreme	Intel Core i7-1255U
Essentials
Launch date	May 2023	23 Feb 2022
Place in performance rating	533	548
Architecture codename		Alder Lake
Launch price (MSRP)		$469
Processor Number		i7-1255U
Series		12th Generation Intel Core i7 Processors
Vertical segment		Mobile
Performance
Base frequency	3.3 GHz
Die size	178 mm²
L1 cache	64K (per core)	800 KB
L2 cache	1MB (per core)	12.5 MB
L3 cache	16MB (shared)	12 MB
Manufacturing process technology	4 nm	7 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.1 GHz	4.70 GHz
Number of cores	8	10
Number of threads	16	12
Transistor count	25,000 million
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR5-5600 MHz, Dual-channel	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s
Max memory channels		2
Maximum memory size		64 GB
Compatibility
Configurable TDP	9-30 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	FCBGA1744
Thermal Design Power (TDP)	15 Watt	15 Watt
Package Size		50 x 25
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)
Max number of PCIe lanes		20
Graphics
Device ID		0x46A8
Execution Units		96
Graphics max dynamic frequency		1.25 GHz
Intel® Quick Sync Video
Processor graphics		Intel Iris Xe Graphics eligible
Graphics interfaces
Number of displays supported		4
Graphics image quality
Max resolution over DisplayPort		7680 x 4320 @ 60Hz
Max resolution over eDP		4096 x 2304 @ 120Hz
Graphics API support
DirectX		12.1
OpenGL		4.6
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Instruction set extensions		Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
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)