Intel Core i7 1255U vs Qualcomm Snapdragon X Elite X1E 78 100
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Qualcomm Snapdragon X Elite X1E 78 100 with 12 cores 3.4GHz . 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
Lower TDP (15W vs 35W)
Qualcomm Snapdragon X Elite X1E 78 100 's Advantages
Released 1 years and 8 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 (3.4GHz vs 1.7GHz)
Larger L3 cache size (42MB vs 12MB)
More modern manufacturing process (4nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 1255U
+11%
1701
Qualcomm Snapdragon X Elite X1E 78 100
1530
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
Qualcomm Snapdragon X Elite X1E 78 100
+47%
12159
Geekbench 6 Single Core
Intel Core i7 1255U
2248
Qualcomm Snapdragon X Elite X1E 78 100
+6%
2390
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
Qualcomm Snapdragon X Elite X1E 78 100
+96%
14047
Passmark CPU Single Core
Intel Core i7 1255U
+3%
3308
Qualcomm Snapdragon X Elite X1E 78 100
3184
Passmark CPU Multi Core
Intel Core i7 1255U
13792
Qualcomm Snapdragon X Elite X1E 78 100
+70%
23475
General Parameters
Feb 2022
Release Date
Oct 2023
Intel
Manufacturer
Qualcomm
Laptop
Type
Laptop
x86-64
Instruction Set
ARMv8
Alder Lake
Core Architecture
Snapdragon X
i7-1255U
Processor Number
X1E-78-100
BGA-1744
Socket
Custom
Iris Xe Graphics (96EU)
Integrated Graphics
Qualcomm Adreno X1-85
Package
10 nm
Manufacturing Process
4 nm
12-15 W
Power Consumption
35 W
55 W
Max Turbo Power Consumption
45 W
100°C
Peak Operating Temperature
-
CPU Performance
2
Performance Cores
12
4
Performance Core Threads
12
1.7 GHz
Performance Core Base Frequency
3.4 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
12
12
Total Thread Count
12
100 MHz
Bus Frequency
-
17x
Multiplier
34
80 K per core
L1 Cache
96 K per core
1280 K per core
L2 Cache
12 MB shared
12 MB shared
L3 Cache
42 MB
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
300 MHz
1250 MHz
GPU Max Dynamic Frequency
1250 MHz
768
Shader Units
1536
48
Texture Units
96
24
Raster Operation Units
48
96
Execution Units
6
15 W
Power Consumption
80
1.69 TFLOPS
Graphics Performance
3.7 TFLOPS
AI Accelerator
-
NPU
Qualcomm Hexagon NPU
-
Theoretical performance
45 TOPS
Miscellaneous
4.0
PCIe Version
4.0
20
PCIe Lanes
12
