Intel Xeon D-1523N vs Intel Core i7-1255U

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Xeon D-1523N or Intel Xeon D-1523N – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Xeon D-1523N features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2017 and belongs to the 1 generation of the Intel Xeon D series.
To use the Intel Xeon D-1523N, you'll need a motherboard with a BGA 1667 socket.
The Intel Core i7-1255U features 10 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i7 series.
To use the Intel Core i7-1255U, you'll need a motherboard with a BGA 1744 socket.
1 Generation 12
Intel Xeon D Family Intel Core i7
Intel Xeon D-1500 Group Intel Core i 1200P/1200U
Intel Xeon D-1523N Name Intel Core i7-1255U
Desktop / Server Segment Mobile
 
 

CPU Cores and Base Frequency

The Intel Xeon D-1523N has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon D-1523N is 2.0 GHz
and turbo frequency for one core is 2.6 GHz.
The Intel Core i7-1255U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
None None 8x Gracemont
None None 4.7 GHz
4 CPU Cores 10
None None 1.2 GHz
8 Threads 12
2.6 GHz Turbo Frequency (1 core) None
2.0 GHz Frequency None
None None 3.5 GHz
4x Cores None
normal Core architecture hybrid (big.LITTLE)
No Overclocking No
None None 1.7 GHz
Yes Hyperthreading Yes
2.2 GHz Turbo Frequency (all cores) None
None None 2x Golden Cove
 
 

Internal Graphics

The Intel Xeon D-1523N does not have integrated graphics.
The Intel Core i7-1255U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-1255U uses the Intel Iris Xe Graphics 96 (Alder Lake), which has 768 texture shaders
and 96 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- Generation 13
-- Release date Q1/2022
-- Max. displays --
-- Execution units 96
-- Shaders 768
-- GPU (Turbo) 1.25 GHz
-- GPU frequency 0.35 GHz
-- Technology 10 nm
GPU name Intel Iris Xe Graphics 96 (Alder Lake)
0 bytes Max. GPU Memory 32.0 GB
-- Direct X 12.1
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
-- JPEG Decode / Encode
-- h264 Decode / Encode
-- AV1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- AVC Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- VP8 Decode
-- VC-1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
128.0 GB Max. Memory 64.0 GB
DDR4-2400 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
Yes AES-NI Yes
38.4 GB/s Bandwidth 76.8 GB/s
Yes ECC No
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 15 W watts.
45 W TDP (PL1 / PBP) 15 W
-- Tjunction max 100 °C
None TDP (PL2) 55 W
 
 

Technical details

The Intel Xeon D-1523N is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-1255U is manufactured using a 10 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q3/2017 Release date Q1/2022
Broadwell Architecture Alder Lake U
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Monolithic Chip design Monolithic
0 bytes L3-Cache 12.0 MB
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
14 nm Technology 10 nm
BGA 1667 Socket BGA 1744
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
274 $ Release price --
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
6.0 MB L2-Cache 6.5 MB