Home Comparison Intel Core i5 1240U vs Intel Core i7 8665U

Intel Core i5 1240U vs Intel Core i7 8665U

Intel Core i5 1240U
VS
Intel Core i7 8665U
Intel Core i5 1240U
Intel Core i7 8665U
We compared two laptop CPUs: Intel Core i5 1240U with 10 cores 1.1GHz and Intel Core i7 8665U with 4 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 1240U 's Advantages
Released 2 years and 10 months late
Better graphics card performance
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (9W vs 15W)
Intel Core i7 8665U 's Advantages
Higher base frequency (1.9GHz vs 1.1GHz)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i5 1240U +49%
2213
Intel Core i7 8665U
1484
Geekbench 6 Multi Core
Intel Core i5 1240U +92%
7583
Intel Core i7 8665U
3939
Geekbench 5 Single Core
Intel Core i5 1240U +55%
1639
Intel Core i7 8665U
1056
Geekbench 5 Multi Core
Intel Core i5 1240U +109%
6388
Intel Core i7 8665U
3056
Passmark CPU Single Core
Intel Core i5 1240U +47%
3223
Intel Core i7 8665U
2192
Passmark CPU Multi Core
Intel Core i5 1240U +128%
14269
Intel Core i7 8665U
6232
Intel Core i5 1240U
VS
Intel Core i7 8665U

General Parameters

Feb 2022
Release Date
Apr 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake-U
Core Architecture
Whiskey Lake
i5-1240U
Processor Number
i7-8665U
BGA-1781
Socket
BGA-1528
Iris Xe Graphics G7 (80EU)
Integrated Graphics
UHD Graphics 620

Package

10 nm
Manufacturing Process
14 nm
9 W
Power Consumption
15 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

2
Performance Cores
4
-
Performance Core Threads
8
1.1 GHz
Performance Core Base Frequency
1.9 GHz
4.4 GHz
Performance Core Turbo Frequency
4.8 GHz
8
Efficiency Cores
-
10
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
-
11x
Multiplier
19x
80 K per core
L1 Cache
32 K per core
1280 K per core
L2 Cache
256 K per core
12 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No

Memory Parameters

LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR4-2400, LPDDR3-2133
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
900 MHz
GPU Max Dynamic Frequency
1150 MHz
640
Shader Units
192
40
Texture Units
24
20
Raster Operation Units
3
80
Execution Units
24
15 W
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
1.41 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i5 1240U
Official Website
Intel Core i7 8665U
4.0
PCIe Version
3.0
14
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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