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

Intel Core i7 8665U vs Intel Core i5 1240U

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

Main Differences

Intel Core i7 8665U 's Advantages
Higher base frequency (1.9GHz vs 1.1GHz)
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)

Score

Benchmark

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

General Parameters

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

Package

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

CPU Performance

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

Memory Parameters

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

Graphics Card Parameters

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

Miscellaneous

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

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