Intel Core i7-1255U vs Intel Xeon E5-2658A v3

Comparative analysis of Intel Core i7-1255U and Intel Xeon E5-2658A v3 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i7-1255U

Intel Xeon E5-2658A v3

Differences

Reasons to consider the Intel Core i7-1255U

Around 62% higher clock speed: 4.70 GHz vs 2.90 GHz
Around 10% higher maximum core temperature: 100°C vs 91
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 22 nm
7x lower typical power consumption: 15 Watt vs 105 Watt
Around 95% better performance in PassMark - Single thread mark: 3293 vs 1688

Specifications (specs)
Maximum frequency	4.70 GHz vs 2.90 GHz
Maximum core temperature	100°C vs 91
Manufacturing process technology	7 nm vs 22 nm
Thermal Design Power (TDP)	15 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	3293 vs 1688

Reasons to consider the Intel Xeon E5-2658A v3

2 more cores, run more applications at once: 12 vs 10
12 more threads: 24 vs 12
12x more maximum memory size: 768 GB vs 64 GB
Around 8% better performance in PassMark - CPU mark: 14879 vs 13745

Specifications (specs)
Number of cores	12 vs 10
Number of threads	24 vs 12
Maximum memory size	768 GB vs 64 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	14879 vs 13745

Compare benchmarks

CPU 1: Intel Core i7-1255U
CPU 2: Intel Xeon E5-2658A v3

PassMark - Single thread mark

CPU 1

CPU 2

3293

1688

PassMark - CPU mark

CPU 1

CPU 2

13745

14879

Name	Intel Core i7-1255U	Intel Xeon E5-2658A v3
PassMark - Single thread mark	3293	1688
PassMark - CPU mark	13745	14879
Geekbench 4 - Single Core		2959
Geekbench 4 - Multi-Core		20447

Compare specifications (specs)

	Intel Core i7-1255U	Intel Xeon E5-2658A v3
Essentials
Architecture codename	Alder Lake	Haswell
Launch date	23 Feb 2022	Q1'15
Launch price (MSRP)	$469
Place in performance rating	440	438
Processor Number	i7-1255U	E5-2658AV3
Series	12th Generation Intel Core i7 Processors	Intel® Xeon® Processor E5 v3 Family
Vertical segment	Mobile	Embedded
Status		Launched
Performance
64 bit support
L1 cache	800 KB
L2 cache	12.5 MB
L3 cache	12 MB
Manufacturing process technology	7 nm	22 nm
Maximum core temperature	100°C	91
Maximum frequency	4.70 GHz	2.90 GHz
Number of cores	10	12
Number of threads	12	24
Base frequency		2.20 GHz
Bus Speed		9.6 GT/s QPI
Number of QPI Links		2
VID voltage range		0.65V–1.30V
Memory
Max memory channels	2	4
Maximum memory size	64 GB	768 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	DDR4 1600/1866/2133
Maximum memory bandwidth		68 GB/s
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
Compatibility
Max number of CPUs in a configuration	1	2
Package Size	50 x 25	52.5mm x 45mm
Sockets supported	FCBGA1744	FCLGA2011-3
Thermal Design Power (TDP)	15 Watt	105 Watt
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	20	40
PCI Express revision		3.0
PCIe configurations		x4, x8, x16
Scalability		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Identity Protection technology
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2	Intel® AVX2
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Demand Based Switching
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		46-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)