Intel Core i5 6400 vs Intel Core i7 1250U
CPU Specs Compare
General Parameters
Release Date
Sep 2015
Feb 2022
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Alder Lake
Processor Number
i5-6400
i7-1250U
Integrated Graphics
HD Graphics 530
Iris Xe Graphics (96EU)
Package
Manufacturing Process
14 nm
10 nm
Socket
LGA-1151
BGA-1781
Power Consumption
65 W
9 W
Max Turbo Power Consumption
-
29 W
Peak Operating Temperature
-
100°C
CPU Performance
Performance Cores
4
2
Performance Core Threads
4
4
Performance Core Base Frequency
2.7 GHz
1.1 GHz
Performance Core Turbo Frequency
3.3 GHz
4.7 GHz
Total Core Count
4
10
Total Thread Count
4
12
Bus Frequency
100 MHz
100 MHz
Multiplier
27x
11x
L1 Cache
64 K per core
80 K per core
L2 Cache
256 K per core
1280 K per core
L3 Cache
6 MB shared
12 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
-
8
Efficiency Core Threads
-
8
Efficiency Core Base Frequency
-
0.8 GHz
Efficiency Core Turbo Frequency
-
3.5 GHz
Memory Parameters
Memory Types
DDR4-2133, DDR3L-1600
LPDDR5-5200, LPDDR4x-4267
Max Memory Size
64 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
950 MHz
950 MHz
GPU Base Frequency
-
300 MHz
Shader Units
-
768
Texture Units
-
48
Raster Operation Units
-
24
Execution Units
-
96
Power Consumption
-
15 W
Miscellaneous
📊 Benchmark
Cinebench R23
898
1,655
Cinebench R23
3,214
7,329
Geekbench 6
1,143
2,112
Geekbench 5
853
1,639
Geekbench 6
3,312
6,732
Geekbench 5
2,805
6,884
Blender
49
58
Passmark CPU
1,961
-
Passmark CPU
5,151
-