Intel Core i5 6400 vs AMD Ryzen 7 7840H
CPU · Specs Compare
General Parameters
Release Date
Sep 2015
Jan 2023
Manufacturer
Intel
AMD
Type
Desktop
Laptop
Instruction Set
x86-64
—
Core Architecture
Skylake
Phoenix
Processor Number
i5-6400
—
Integrated Graphics
HD Graphics 530
Radeon 780M
Generation
—
Ryzen 7 (Zen 4 (Phoenix))
Package
Manufacturing Process
14 nm
4 nm
Socket
LGA-1151
AMD Socket FP8
Power Consumption
65 W
35 W
Transistor Count
—
25 billions
Peak Operating Temperature
—
100 °C
Foundry
—
TSMC
Die Size
—
178 mm²
Package
—
FP8, FP7, FP7r2
CPU Performance
Performance Cores
4
—
Performance Core Threads
4
—
Performance Core Base Frequency
2.7 GHz
3.8 GHz
Performance Core Turbo Frequency
3.3 GHz
5.1 GHz
Total Core Count
4
8
Total Thread Count
4
16
Bus Frequency
100 MHz
100 MHz
Multiplier
27x
38.0
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
1 MB per core
L3 Cache
6 MB shared
16 MB shared
Unlocked Multiplier
No
No
SMP
—
1
Memory Parameters
Memory Types
DDR4-2133, DDR3L-1600
DDR5-5600
Max Memory Size
64 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
89.6 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
950 MHz
2700 MHz
Execution Units
—
12
Miscellaneous
PCIe Version
3.0
4
PCIe Lanes
16
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
898
—
Cinebench R23
3,214
—
Geekbench 6
1,143
2,625
Geekbench 5
853
—
Geekbench 6
3,312
11,813
Geekbench 5
2,805
—
Blender
49
—
Passmark CPU
1,961
—
Passmark CPU
5,151
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.