AMD Ryzen 9 3900X vs Intel Core i7 11700KF
We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and Intel Core i7 11700KF with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 9 3900X 's Advantages
Higher base frequency (3.8GHz vs 3.6GHz)
Larger L3 cache size (64MB vs 16MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (105W vs 125W)
Intel Core i7 11700KF 's Advantages
Released 1 years and 8 months late
Larger memory bandwidth (50GB/s vs 47.68GB/s)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 3900X
1306
Intel Core i7 11700KF
+22%
1595
Cinebench R23 Multi Core
AMD Ryzen 9 3900X
+22%
18454
Intel Core i7 11700KF
15011
Geekbench 6 Single Core
AMD Ryzen 9 3900X
1842
Intel Core i7 11700KF
+26%
2334
Geekbench 6 Multi Core
AMD Ryzen 9 3900X
+8%
11715
Intel Core i7 11700KF
10758
Cinebench 2024 Single Core
AMD Ryzen 9 3900X
78
Intel Core i7 11700KF
+16%
91
Cinebench 2024 Multi Core
AMD Ryzen 9 3900X
+32%
1068
Intel Core i7 11700KF
806
Geekbench 5 Single Core
AMD Ryzen 9 3900X
1319
Intel Core i7 11700KF
+29%
1709
Geekbench 5 Multi Core
AMD Ryzen 9 3900X
+20%
11991
Intel Core i7 11700KF
9915
Passmark CPU Single Core
AMD Ryzen 9 3900X
2683
Intel Core i7 11700KF
+26%
3390
Passmark CPU Multi Core
AMD Ryzen 9 3900X
+35%
32531
Intel Core i7 11700KF
24052
General Parameters
Jul 2019
Release Date
Mar 2021
AMD
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 2
Core Architecture
Rocket Lake
-
Processor Number
i7-11700KF
AM4
Socket
LGA-1200
N/A
Integrated Graphics
No
Package
3.8 billions
Transistor Count
-
7 nm
Manufacturing Process
14 nm
105 W
Power Consumption
125 W
95 °C
Peak Operating Temperature
100°C
CPU Performance
12
Performance Cores
8
24
Performance Core Threads
16
3.8 GHz
Performance Core Base Frequency
3.6 GHz
4.6 GHz
Performance Core Turbo Frequency
5 GHz
12
Total Core Count
8
24
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
38x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
512 K per core
64 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-3200
Memory Types
DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
47.68 GB/s
Max Memory Bandwidth
50 GB/s
Yes
ECC Memory Support
No
