Intel U300 vs Intel Core i7-1255U

Comparative analysis of Intel U300 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.

Intel U300

Intel Core i7-1255U

Differences

Reasons to consider the Intel U300

CPU is newer: launch date 10 month(s) later
Around 4% better performance in PassMark - Single thread mark: 3413 vs 3294

Specifications (specs)
Launch date	4 Jan 2023 vs 23 Feb 2022
Benchmarks
PassMark - Single thread mark	3413 vs 3294

Reasons to consider the Intel Core i7-1255U

5 more cores, run more applications at once: 10 vs 5
6 more threads: 12 vs 6
Around 7% higher clock speed: 4.70 GHz vs 4.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2621440x more L2 cache, more data can be stored in the L2 cache for quick access later
1572864x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 48% better performance in PassMark - CPU mark: 13749 vs 9309

Specifications (specs)
Number of cores	10 vs 5
Number of threads	12 vs 6
Maximum frequency	4.70 GHz vs 4.4 GHz
Manufacturing process technology	7 nm vs 10 nm
L1 cache	800 KB vs 80K (per core)
L2 cache	12.5 MB vs 1.25MB (per core)
L3 cache	12 MB vs 8MB (shared)
Benchmarks
PassMark - CPU mark	13749 vs 9309

Compare benchmarks

CPU 1: Intel U300
CPU 2: Intel Core i7-1255U

PassMark - Single thread mark

CPU 1

CPU 2

3413

3294

PassMark - CPU mark

CPU 1

CPU 2

9309

13749

Name	Intel U300	Intel Core i7-1255U
PassMark - Single thread mark	3413	3294
PassMark - CPU mark	9309	13749

Compare specifications (specs)

	Intel U300	Intel Core i7-1255U
Essentials
Launch date	4 Jan 2023	23 Feb 2022
Launch price (MSRP)	$193	$469
Place in performance rating	445	440
Architecture codename		Alder Lake
Processor Number		i7-1255U
Series		12th Generation Intel Core i7 Processors
Vertical segment		Mobile
Performance
Base frequency	1200 MHz
L1 cache	80K (per core)	800 KB
L2 cache	1.25MB (per core)	12.5 MB
L3 cache	8MB (shared)	12 MB
Manufacturing process technology	10 nm	7 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.4 GHz	4.70 GHz
Number of cores	5	10
Number of threads	6	12
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR4, DDR5, 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
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 1744	FCBGA1744
Thermal Design Power (TDP)	15 Watt	15 Watt
Package Size		50 x 25
Peripherals
PCIe configurations	Gen 4, 8 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)