Home Comparison Intel Core i7 12700KF vs AMD Ryzen 9 3900X

Intel Core i7 12700KF vs AMD Ryzen 9 3900X

We compared two desktop CPUs: Intel Core i7 12700KF with 12 cores 3.6GHz and AMD Ryzen 9 3900X with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 12700KF 's Advantages
Released 2 years and 3 months late
Higher specification of memory (4800 vs 3200)
Larger memory bandwidth (76.8GB/s vs 47.68GB/s)
Newer PCIe version (5.0 vs 4.0)
AMD Ryzen 9 3900X 's Advantages
Higher base frequency (3.8GHz vs 3.6GHz)
Larger L3 cache size (64MB vs 25MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (105W vs 125W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 12700KF +48%
1944
AMD Ryzen 9 3900X
1306
Cinebench R23 Multi Core
Intel Core i7 12700KF +23%
22801
AMD Ryzen 9 3900X
18454
Geekbench 6 Single Core
Intel Core i7 12700KF +51%
2790
AMD Ryzen 9 3900X
1842
Geekbench 6 Multi Core
Intel Core i7 12700KF +31%
15374
AMD Ryzen 9 3900X
11715
Cinebench 2024 Single Core
Intel Core i7 12700KF +46%
114
AMD Ryzen 9 3900X
78
Cinebench 2024 Multi Core
Intel Core i7 12700KF +10%
1175
AMD Ryzen 9 3900X
1068
Geekbench 5 Single Core
Intel Core i7 12700KF +53%
2031
AMD Ryzen 9 3900X
1319
Geekbench 5 Multi Core
Intel Core i7 12700KF +24%
14961
AMD Ryzen 9 3900X
11991
Passmark CPU Single Core
Intel Core i7 12700KF +49%
4020
AMD Ryzen 9 3900X
2683
Passmark CPU Multi Core
Intel Core i7 12700KF +5%
34419
AMD Ryzen 9 3900X
32531
VS

General Parameters

Oct 2021
Release Date
Jul 2019
Intel
Manufacturer
AMD
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Zen 2
i7-12700KF
Processor Number
-
LGA-1700
Socket
AM4
No
Integrated Graphics
N/A

Package

-
Transistor Count
3.8 billions
10 nm
Manufacturing Process
7 nm
125 W
Power Consumption
105 W
190 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
95 °C

CPU Performance

8
Performance Cores
12
16
Performance Core Threads
24
3.6 GHz
Performance Core Base Frequency
3.8 GHz
4.9 GHz
Performance Core Turbo Frequency
4.6 GHz
4
Efficiency Cores
-
4
Efficiency Core Threads
-
2.7 GHz
Efficiency Core Base Frequency
-
3.8 GHz
Efficiency Core Turbo Frequency
-
12
Total Core Count
12
20
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
38x
80 K per core
L1 Cache
64 K per core
12 MB shared
L2 Cache
512 K per core
25 MB shared
L3 Cache
64 MB shared
Yes
Unlocked Multiplier
Yes

Memory Parameters

DDR5-4800, DDR4-3200
Memory Types
DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
47.68 GB/s
Yes
ECC Memory Support
Yes

Miscellaneous

5.0
PCIe Version
4.0
20
PCIe Lanes
16

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