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.
Intel Xeon D-1523N Name Intel Core i7-1255U
Desktop / Server Segment Mobile
1 Generation 12
Intel Xeon D Family Intel Core i7
Intel Xeon D-1500 Group Intel Core i 1200P/1200U
 
 

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 1.7 GHz
2.6 GHz Turbo Frequency (1 core) None
No Overclocking No
2.2 GHz Turbo Frequency (all cores) None
None None 4.7 GHz
4x Cores None
None None 1.2 GHz
Yes Hyperthreading Yes
normal Core architecture hybrid (big.LITTLE)
None None 2x Golden Cove
4 CPU Cores 10
8 Threads 12
None None 3.5 GHz
2.0 GHz Frequency None
 
 

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.
0 bytes Max. GPU Memory 32.0 GB
-- Shaders 768
-- Generation 13
-- Release date Q1/2022
-- Technology 10 nm
-- Direct X 12.1
-- Execution units 96
GPU name Intel Iris Xe Graphics 96 (Alder Lake)
-- GPU frequency 0.35 GHz
-- GPU (Turbo) 1.25 GHz
-- Max. displays --
 
 

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.
-- AVC Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- JPEG Decode / Encode
-- VC-1 Decode
-- AV1 Decode
-- VP8 Decode
-- h264 Decode / Encode
-- VP9 Decode / Encode
 
 

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
38.4 GB/s Bandwidth 76.8 GB/s
Yes ECC No
128.0 GB Max. Memory 64.0 GB
DDR4-2400 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
pci PCIe pci
Yes AES-NI Yes
 
 

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.
None TDP (PL2) 55 W
-- Tjunction max 100 °C
45 W TDP (PL1 / PBP) 15 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.
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
6.0 MB L2-Cache 6.5 MB
BGA 1667 Socket BGA 1744
Q3/2017 Release date Q1/2022
0 bytes L3-Cache 12.0 MB
14 nm Technology 10 nm
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
274 $ Release price --
-- Part Number --
Broadwell Architecture Alder Lake U
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)