Intel Core i7-1260P vs Intel Xeon D-1521

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-1260P or Intel Core i7-1260P – 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 Core i7-1260P features 12 processor cores and has the capability to manage 16 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 i7-1260P, you'll need a motherboard with a BGA 1744 socket.
The Intel Xeon D-1521 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2015 and belongs to the 1 generation of the Intel Xeon D series.
To use the Intel Xeon D-1521, you'll need a motherboard with a BGA 1667 socket.
Intel Core i7 Family Intel Xeon D
Mobile Segment Desktop / Server
Intel Core i7-1260P Name Intel Xeon D-1521
Intel Core i 1200P/1200U Group Intel Xeon D-1500
12 Generation 1
 
 

CPU Cores and Base Frequency

The Intel Core i7-1260P has 12 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the A-Core is 2.1 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.
The Intel Xeon D-1521 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon D-1521 is 2.4 GHz
and turbo frequency for one core is 2.7 GHz.
None None 4x
4.7 GHz A-Core Frequency Turbo None
None None 2.4 GHz
3.4 GHz B-Core Frequency Turbo None
2.1 GHz A-Core Frequency None
1.5 GHz B-Core Frequency None
None None 2.4 GHz
12 CPU Cores 4
hybrid (big.LITTLE) Core architecture normal
8x Gracemont Cores B None
Yes Hyperthreading Yes
4x Golden Cove Cores A None
No Overclocking No
16 Threads 8
None None 2.7 GHz
 
 

Internal Graphics

The Intel Core i7-1260P has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-1260P 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.
The Intel Xeon D-1521 does not have integrated graphics.
1.4 GHz GPU (Turbo) --
Q1/2022 Release date --
96 Execution units --
12.1 Direct X --
-- Max. displays --
768 Shaders --
Intel Iris Xe Graphics 96 (Alder Lake) GPU name
0.4 GHz GPU frequency --
32.0 GB Max. GPU Memory 0 bytes
13 Generation --
10 nm Technology --
 
 

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

Memory & PCIe

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.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
64.0 GB Max. Memory 128.0 GB
76.8 GB/s Bandwidth 34.1 GB/s
DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200 Memory type DDR4-2133
pci PCIe pci
2 Memory channels 2
No ECC Yes
 
 

Thermal Management

The processor has a thermal design power (TDP) of 28 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 45 W watts.
64 W TDP (PL2) None
28 W TDP (PL1 / PBP) 45 W
100 °C Tjunction max --
 
 

Technical details

The Intel Core i7-1260P is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 18.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon D-1521 is manufactured using a 14 nm process.
Technical data sheet Documents Technical data sheet
Q1/2022 Release date Q4/2015
BGA 1744 Socket BGA 1667
9.0 MB L2-Cache 6.0 MB
18.0 MB L3-Cache 0 bytes
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Alder Lake U Architecture Broadwell
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
-- Release price 216 $
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
10 nm Technology 14 nm