Home Comparison Intel Core i7 8665U vs Intel Core i9 12900H

Intel Core i7 8665U vs Intel Core i9 12900H

Intel Core i7 8665U
VS
Intel Core i9 12900H
Intel Core i7 8665U
Intel Core i9 12900H
We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and Intel Core i9 12900H with 14 cores 2.5GHz . 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 i9 12900H 's Advantages
Released 2 years and 9 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)
Higher base frequency (2.5GHz vs 1.9GHz)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 8665U
1244
Intel Core i9 12900H +53%
1906
Cinebench R23 Multi Core
Intel Core i7 8665U
3752
Intel Core i9 12900H +339%
16503
Geekbench 6 Single Core
Intel Core i7 8665U
1484
Intel Core i9 12900H +61%
2397
Geekbench 6 Multi Core
Intel Core i7 8665U
3939
Intel Core i9 12900H +203%
11973
Blender
Intel Core i7 8665U
54
Intel Core i9 12900H +320%
227
Geekbench 5 Single Core
Intel Core i7 8665U
1056
Intel Core i9 12900H +74%
1839
Geekbench 5 Multi Core
Intel Core i7 8665U
3056
Intel Core i9 12900H +315%
12692
Passmark CPU Single Core
Intel Core i7 8665U
2192
Intel Core i9 12900H +73%
3811
Passmark CPU Multi Core
Intel Core i7 8665U
6232
Intel Core i9 12900H +353%
28264
Intel Core i7 8665U
VS
Intel Core i9 12900H

General Parameters

Apr 2019
Release Date
Jan 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Whiskey Lake
Core Architecture
Alder Lake
i7-8665U
Processor Number
i9-12900H
BGA-1528
Socket
BGA-1744
UHD Graphics 620
Integrated Graphics
Iris Xe Graphics (96EU)

Package

14 nm
Manufacturing Process
10 nm
15 W
Power Consumption
35-45 W
-
Max Turbo Power Consumption
115 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

4
Performance Cores
6
8
Performance Core Threads
12
1.9 GHz
Performance Core Base Frequency
2.5 GHz
4.8 GHz
Performance Core Turbo Frequency
5 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
3.8 GHz
4
Total Core Count
14
8
Total Thread Count
20
-
Bus Frequency
100 MHz
19x
Multiplier
25x
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
24 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2400, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200, 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
1450 MHz
192
Shader Units
768
24
Texture Units
48
3
Raster Operation Units
24
24
Execution Units
96
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

Intel Core i7 8665U
Official Website
Intel Core i9 12900H
3.0
PCIe Version
4.0
16
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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