Intel Core i7 8665U vs 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 55W)
Intel Core i7 12800HX 's Advantages
Released 3 years and 1 months late
Better graphics card performance
Higher specification of memory (4800 vs 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
1244
Intel Core i7 12800HX
+43%
1784
Cinebench R23 Multi Core
Intel Core i7 8665U
3752
Intel Core i7 12800HX
+430%
19921
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
Blender
Intel Core i7 8665U
54
Intel Core i7 12800HX
+383%
261
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
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
-
-
-
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
100 MHz
19x
Multiplier
20x
-
-
-
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
25 MB shared
No
Unlocked Multiplier
Yes
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200
64 GB
Max Memory Size
128 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
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
AI Accelerator
-
-
-
-
-
-
Miscellaneous
3.0
PCIe Version
5.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
-
