Home Comparison Intel Core i7 8665U vs Intel Core i7 12800HX

Intel Core i7 8665U vs Intel Core i7 12800HX

Intel Core i7 8665U
VS
Intel Core i7 12800HX
Intel Core i7 8665U Intel Core i7 12800HX
We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and Intel Core i7 12800HX with 16 cores 2.0GHz . 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
Lower TDP (15W vs 45W)
Intel Core i7 12800HX's Advantages
Released 3 years and 1 months late
Better graphics card performance
Higher specification of memory (DDR5-4800 vs DDR4-2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.0GHz vs 1.9GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 8665U
1250
Intel Core i7 12800HX +42%
1776
Cinebench R23 Multi Core
Intel Core i7 8665U
3749
Intel Core i7 12800HX +432%
19951
Geekbench 6 Single Core
Intel Core i7 8665U
1484
Intel Core i7 12800HX +60%
2380
Geekbench 6 Multi Core
Intel Core i7 8665U
3939
Intel Core i7 12800HX +239%
13378
Geekbench 5 Single Core
Intel Core i7 8665U
1056
Intel Core i7 12800HX +66%
1757
Geekbench 5 Multi Core
Intel Core i7 8665U
3056
Intel Core i7 12800HX +361%
14104
Passmark CPU Single Core
Intel Core i7 8665U
2192
Intel Core i7 12800HX +76%
3859
Passmark CPU Multi Core
Intel Core i7 8665U
6232
Intel Core i7 12800HX +438%
33577
Intel Core i7 8665U
VS
Intel Core i7 12800HX

General Parameters

Apr 2019
Release Date
May 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Whiskey Lake
Core Architecture
Alder Lake-HX
i7-8665U
Processor Number
i7-12800HX
BGA-1528
Socket
BGA-1744
UHD Graphics 620
Integrated Graphics
UHD Graphics (32EU)

Package

14 nm
Manufacturing Process
10 nm
BGA-1528
Socket
BGA-1744
15 W
Power Consumption
45-55 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

4
Performance Cores
8
8
Performance Core Threads
-
1.9 GHz
Performance Core Base Frequency
2.0 GHz
4.8 GHz
Performance Core Turbo Frequency
4.8 GHz
-
Efficiency Cores
8
4
Total Core Count
16
8
Total Thread Count
24
-
Bus Frequency
100MHz
19x
Multiplier
20x
32K per core
L1 Cache
80K per core
256K per core
L2 Cache
1280K per core
8MB shared
L3 Cache
25MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2400, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200
64GB
Max Memory Size
128GB
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
1450 MHz
192
Shader Units
256
24
Texture Units
16
3
Raster Operation Units
8
24
Execution Units
32
15 W
Power Consumption
45 W
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
0.74 TFLOPS

Miscellaneous

Intel Core i7 8665U
Official Website
Intel Core i7 12800HX
3.0
PCIe Version
5.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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