Intel Core i7 7820X vs AMD Ryzen 5 8400F
CPU Specs Compare
General Parameters
Release Date
May 2017
May 2024
Manufacturer
Intel
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Zen 4 (Phoenix)
Processor Number
i7-7820X
-
Integrated Graphics
N/A
No
Generation
-
Ryzen 5 (Zen 4 (Phoenix))
Package
Manufacturing Process
14 nm
4 nm
Socket
LGA-2066
AM5
Power Consumption
140 W
45-65 W
Peak Operating Temperature
99 °C
95 °C
Transistor Count
-
25 billions
Foundry
-
TSMC
Die Size
-
178 mm²
Package
-
FC-LGA1718
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
12
Performance Core Base Frequency
3.6 GHz
4.2 GHz
Performance Core Turbo Frequency
4.3 GHz
4.7 GHz
Total Core Count
8
6
Total Thread Count
16
12
Bus Frequency
100 MHz
100 MHz
Multiplier
36x
42
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
11 MB shared
16 MB shared
Unlocked Multiplier
Yes
Yes
SMP
-
1
Memory Parameters
Memory Types
DDR4-2666
DDR5-5200
Max Memory Size
128 GB
256 GB
Max Memory Channels
4
2
Max Memory Bandwidth
79.47 GB/s
83.2 GB/s
ECC Memory Support
No
No
Miscellaneous
📊 Benchmark
Cinebench R23
1,338
1,691
Cinebench R23
13,358
13,361
Geekbench 6
1,252
2,500
Geekbench 5
1,120
-
Geekbench 6
7,510
10,760
Geekbench 5
8,504
-
Passmark CPU
2,536
3,553
Passmark CPU
17,189
23,127