Intel Core i5 9400F vs Intel Core i5 8257U
CPU · Specs Compare
General Parameters
Release Date
Jan 2019
Jul 2019
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Coffee Lake
Processor Number
i5-9400F
i5-8257U
Integrated Graphics
N/A
Iris Plus Graphics 645
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-1151
BGA-1528
Power Consumption
65 W
15 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
6
4
Performance Core Threads
6
8
Performance Core Base Frequency
2.9 GHz
1.4 GHz
Performance Core Turbo Frequency
4.1 GHz
3.9 GHz
Total Core Count
6
4
Total Thread Count
6
8
Bus Frequency
100 MHz
—
Multiplier
29x
14x
L1 Cache
64 K per core
32 K per core
L2 Cache
256 K per core
256 K per core
L3 Cache
9 MB shared
6 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR4-2666
DDR4-2400, LPDDR3-2133
Max Memory Size
128 GB
32 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
37.5 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
16
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
SSE4.1, SSE4.2, AVX-2
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
300 MHz
GPU Max Dynamic Frequency
—
1050 MHz
Shader Units
—
384
Texture Units
—
48
Raster Operation Units
—
6
Execution Units
—
48
Power Consumption
—
15 W
Max Resolution
—
4096x2304 - 60 Hz
Benchmark
Cinebench R23
1,014
996
Cinebench R23
5,579
4,031
Geekbench 6
1,396
1,210
Geekbench 5
1,067
916
Geekbench 6
5,142
3,922
Geekbench 5
4,806
3,820
Blender
84
—
Passmark CPU
2,453
—
Passmark CPU
9,511
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.