Home Comparison Intel Core i7 1255U vs Qualcomm Snapdragon X X1 26 100

Intel Core i7 1255U vs Qualcomm Snapdragon X X1 26 100

We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Qualcomm Snapdragon X X1 26 100 with 8 cores 2.98GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 1255U 's Advantages
Larger L3 cache size (12MB vs 6MB)
Lower TDP (15W vs 30W)
Qualcomm Snapdragon X X1 26 100 's Advantages
Released 2 years and 11 months late
Better graphics card performance
Higher specification of memory (8448 vs 5200)
Larger memory bandwidth (135GB/s vs 76.8GB/s)
Higher base frequency (2.98GHz vs 1.7GHz)
More modern manufacturing process (4nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1255U +74%
1701
Qualcomm Snapdragon X X1 26 100
975
Cinebench R23 Multi Core
Intel Core i7 1255U +19%
8233
Qualcomm Snapdragon X X1 26 100
6901
Geekbench 6 Single Core
Intel Core i7 1255U +5%
2248
Qualcomm Snapdragon X X1 26 100
2121
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
Qualcomm Snapdragon X X1 26 100 +46%
10516

General Parameters

Feb 2022
Release Date
Jan 2025
Intel
Manufacturer
Qualcomm
Laptop
Type
Laptop
x86-64
Instruction Set
ARMv9
Alder Lake
Core Architecture
Snapdragon X
i7-1255U
Processor Number
X1-26-100
BGA-1744
Socket
Custom
Iris Xe Graphics (96EU)
Integrated Graphics
Qualcomm Adreno X1-45

Package

10 nm
Manufacturing Process
4 nm
12-15 W
Power Consumption
15-30 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
-

CPU Performance

2
Performance Cores
8
4
Performance Core Threads
8
1.7 GHz
Performance Core Base Frequency
2.98 GHz
4.7 GHz
Performance Core Turbo Frequency
-
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
8
12
Total Thread Count
8
100 MHz
Bus Frequency
-
17x
Multiplier
29
80 K per core
L1 Cache
-
1280 K per core
L2 Cache
1536 K per core
12 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
LPDDR5X-8448
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
8
76.8 GB/s
Max Memory Bandwidth
135 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
280 MHz
1250 MHz
GPU Max Dynamic Frequency
1107 MHz
768
Shader Units
1024
48
Texture Units
48
24
Raster Operation Units
24
96
Execution Units
3
15 W
Power Consumption
30
1.69 TFLOPS
Graphics Performance
2.3 TFLOPS

Miscellaneous

4.0
PCIe Version
4.0
20
PCIe Lanes
-
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