Home Comparison Intel Core i5 8400H vs Intel Core i7 1255U

Intel Core i5 8400H vs Intel Core i7 1255U

Intel Core i5 8400H
VS
Intel Core i7 1255U
Intel Core i5 8400H
Intel Core i7 1255U
We compared two laptop CPUs: Intel Core i5 8400H with 4 cores 2.5GHz and Intel Core i7 1255U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400H 's Advantages
Higher base frequency (2.5GHz vs 1.7GHz)
Intel Core i7 1255U 's Advantages
Released 3 years and 10 months late
Better graphics card performance
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.8GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 45W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8400H
1060
Intel Core i7 1255U +60%
1701
Cinebench R23 Multi Core
Intel Core i5 8400H
4035
Intel Core i7 1255U +104%
8233
Geekbench 6 Single Core
Intel Core i5 8400H
1213
Intel Core i7 1255U +85%
2248
Geekbench 6 Multi Core
Intel Core i5 8400H
3109
Intel Core i7 1255U +130%
7162
Blender
Intel Core i5 8400H
48
Intel Core i7 1255U +160%
125
Geekbench 5 Single Core
Intel Core i5 8400H
1075
Intel Core i7 1255U +51%
1628
Geekbench 5 Multi Core
Intel Core i5 8400H
3884
Intel Core i7 1255U +89%
7372
Passmark CPU Single Core
Intel Core i5 8400H
2416
Intel Core i7 1255U +36%
3308
Passmark CPU Multi Core
Intel Core i5 8400H
7914
Intel Core i7 1255U +74%
13792
Intel Core i5 8400H
VS
Intel Core i7 1255U

General Parameters

Apr 2018
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Alder Lake
i5-8400H
Processor Number
i7-1255U
BGA-1440
Socket
BGA-1744
UHD Graphics 630
Integrated Graphics
Iris Xe Graphics (96EU)

Package

14 nm
Manufacturing Process
10 nm
45 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

4
Performance Cores
2
8
Performance Core Threads
4
2.5 GHz
Performance Core Base Frequency
1.7 GHz
4.2 GHz
Performance Core Turbo Frequency
4.7 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
3.5 GHz
4
Total Core Count
10
8
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
25x
Multiplier
17x
64 K per core
L1 Cache
80 K per core
256 K per core
L2 Cache
1280 K per core
8 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2666, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.8 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
350 MHz
GPU Base Frequency
300 MHz
1100 MHz
GPU Max Dynamic Frequency
1250 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 i5 8400H
Official Website
Intel Core i7 1255U
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

Related CPU Comparisons

1
Intel Core i5 8400H vs Intel Celeron N4000
2
Intel Core i5 8400H vs Intel Core 7 250H
3
Intel Core i5 8400H vs AMD Ryzen 3 5300U
4
Intel Core i5 8400H vs Intel Core Ultra 7 256V
5
Intel Core i5 8400H vs Intel Core i5 11320H
6
Intel Core i5 8400H vs Intel Core 7 150U
7
Intel Core i5 8400H vs Intel Core i3 1110G4
8
Intel Core i5 8400H vs AMD Ryzen 7 7840H
9
Intel Core i5 8400H vs Intel Pentium Silver N6005
10
Intel Core i5 8400H vs AMD Ryzen 7 8845HS

Related News

1
AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT
2
Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card
3
CPU-Z Minor Update: Support for Intel's Four New Products and New Memory
4
CXMT Reportedly Achieves 80% Yield in DDR5 Production
5
Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N
6
The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market
7
NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps
8
Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim
9
Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers
10
Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes
© 2024 - TopCPU.net   Contact Us Privacy Policy