Home Comparison Intel Core i5 8257U vs Intel Core i9 12900HK

Intel Core i5 8257U vs Intel Core i9 12900HK

Intel Core i5 8257U
VS
Intel Core i9 12900HK
Intel Core i5 8257U
Intel Core i9 12900HK
We compared two laptop CPUs: Intel Core i5 8257U with 4 cores 1.4GHz and Intel Core i9 12900HK 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 i5 8257U 's Advantages
Lower TDP (15W vs 45W)
Intel Core i9 12900HK 's Advantages
Released 2 years and 6 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 1.4GHz)
Larger L3 cache size (24MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8257U
996
Intel Core i9 12900HK +94%
1934
Cinebench R23 Multi Core
Intel Core i5 8257U
4031
Intel Core i9 12900HK +352%
18257
Geekbench 6 Single Core
Intel Core i5 8257U
1210
Intel Core i9 12900HK +95%
2361
Geekbench 6 Multi Core
Intel Core i5 8257U
3922
Intel Core i9 12900HK +210%
12172
Blender
Intel Core i5 8257U
30
Intel Core i9 12900HK +743%
253
Geekbench 5 Single Core
Intel Core i5 8257U
916
Intel Core i9 12900HK +95%
1793
Geekbench 5 Multi Core
Intel Core i5 8257U
3820
Intel Core i9 12900HK +248%
13317
Passmark CPU Single Core
Intel Core i5 8257U
2302
Intel Core i9 12900HK +59%
3676
Passmark CPU Multi Core
Intel Core i5 8257U
7609
Intel Core i9 12900HK +267%
27949
Intel Core i5 8257U
VS
Intel Core i9 12900HK

General Parameters

Jul 2019
Release Date
Jan 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Alder Lake
i5-8257U
Processor Number
i9-12900HK
BGA-1528
Socket
BGA-1744
Iris Plus Graphics 645
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
1.4 GHz
Performance Core Base Frequency
2.5 GHz
3.9 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
14x
Multiplier
25x
32 K per core
L1 Cache
80 K per core
256 K per core
L2 Cache
1280 K per core
6 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2400, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
32 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
1050 MHz
GPU Max Dynamic Frequency
1450 MHz
384
Shader Units
768
48
Texture Units
48
6
Raster Operation Units
24
48
Execution Units
96
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.81 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

Intel Core i5 8257U
Official Website
Intel Core i9 12900HK
3.0
PCIe Version
4.0
16
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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