Intel Core i7-1260U vs Intel Core i7-1255U

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-1260U or Intel Core i7-1260U – 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 i7-1260U 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 i7-1260U, you'll need a motherboard with a BGA 1744 socket.
The Intel Core i7-1255U features 10 processor cores and has the capability to manage 12 threads concurrently.
To use the Intel Core i7-1255U, you'll need a motherboard with a BGA 1744 socket.
Mobile Segment Mobile
Intel Core i7-1260U Name Intel Core i7-1255U
Intel Core i 1200P/1200U Group Intel Core i 1200P/1200U
12 Generation 12
Intel Core i7 Family Intel Core i7
 
 

CPU Cores and Base Frequency

The Intel Core i7-1260U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.1 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 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.
8x Gracemont Cores B 8x Gracemont
2x Golden Cove Cores A 2x Golden Cove
No Overclocking No
12 Threads 12
Yes Hyperthreading Yes
0.8 GHz B-Core Frequency 1.2 GHz
4.7 GHz A-Core Frequency Turbo 4.7 GHz
3.5 GHz B-Core Frequency Turbo 3.5 GHz
10 CPU Cores 10
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
1.1 GHz A-Core Frequency 1.7 GHz
 
 

Internal Graphics

The Intel Core i7-1260U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-1260U 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 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
0.25 GHz GPU frequency 0.35 GHz
96 Execution units 96
Q1/2022 Release date Q1/2022
0.95 GHz GPU (Turbo) 1.25 GHz
-- Max. displays --
768 Shaders 768
32.0 GB Max. GPU Memory 32.0 GB
13 Generation 13
12.1 Direct X 12.1
10 nm Technology 10 nm
Intel Iris Xe Graphics 96 (Alder Lake) GPU name Intel Iris Xe Graphics 96 (Alder Lake)
 
 

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

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.
64.0 GB Max. Memory 64.0 GB
DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
pci PCIe pci
Yes AES-NI Yes
76.8 GB/s Bandwidth 76.8 GB/s
No ECC No
2 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 9 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.
9 W TDP (PL1 / PBP) 15 W
100 °C Tjunction max 100 °C
29 W TDP (PL2) 55 W
 
 

Technical details

The Intel Core i7-1260U 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 12.0 MB cache.
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.
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
6.5 MB L2-Cache 6.5 MB
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
12.0 MB L3-Cache 12.0 MB
Q1/2022 Release date Q1/2022
-- Release price --
Technical data sheet Documents Technical data sheet
-- Part Number --
BGA 1744 Socket BGA 1744
Alder Lake U Architecture Alder Lake U
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
10 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-1255U
10C 12T @ 1.7 GHz
13905
13905
Intel Core i7-1260U
10C 12T @ 1.1 GHz
13307
13307

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-1255U
10C 12T @ 1.7 GHz
7612
7612
Intel Core i7-1260U
10C 12T @ 1.1 GHz
6874
6874

Cinebench R23 (Multi-Core)

Intel Core i7-1255U
10C 12T @ 1.7 GHz
7545
7545
Intel Core i7-1260U
10C 12T @ 1.1 GHz
6788
6788

Geekbench 6 (Multi-Core)

Intel Core i7-1255U
10C 12T @ 1.7 GHz
6908
6908
Intel Core i7-1260U
10C 12T @ 1.1 GHz
6296
6296

Geekbench 6 (Single-Core)

Intel Core i7-1255U
10C 12T @ 1.7 GHz
2136
2136
Intel Core i7-1260U
10C 12T @ 1.1 GHz
2115
2115

Cinebench R23 (Single-Core)

Intel Core i7-1255U
10C 12T @ 1.7 GHz
1761
1761
Intel Core i7-1260U
10C 12T @ 1.1 GHz
1745
1745

Geekbench 5, 64bit (Single-Core)

Intel Core i7-1255U
10C 12T @ 1.7 GHz
1603
1603
Intel Core i7-1260U
10C 12T @ 1.1 GHz
1596
1596