AMD Ryzen 9 3900X vs Intel Core i5 12600K
We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and Intel Core i5 12600K with 10 cores 3.7GHz . 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 3.7GHz)
Larger L3 cache size (64MB vs 20MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (105W vs 125W)
Intel Core i5 12600K 's Advantages
Released 2 years and 3 months late
Integrated graphics card
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)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 3900X
1306
Intel Core i5 12600K
+46%
1908
Cinebench R23 Multi Core
AMD Ryzen 9 3900X
+4%
18454
Intel Core i5 12600K
17648
Geekbench 6 Single Core
AMD Ryzen 9 3900X
1842
Intel Core i5 12600K
+38%
2548
Geekbench 6 Multi Core
AMD Ryzen 9 3900X
11715
Intel Core i5 12600K
+4%
12188
Cinebench 2024 Single Core
AMD Ryzen 9 3900X
78
Intel Core i5 12600K
+37%
107
Cinebench 2024 Multi Core
AMD Ryzen 9 3900X
+23%
1068
Intel Core i5 12600K
865
Geekbench 5 Single Core
AMD Ryzen 9 3900X
1319
Intel Core i5 12600K
+44%
1910
Geekbench 5 Multi Core
AMD Ryzen 9 3900X
+3%
11991
Intel Core i5 12600K
11565
Passmark CPU Single Core
AMD Ryzen 9 3900X
2683
Intel Core i5 12600K
+47%
3956
Passmark CPU Multi Core
AMD Ryzen 9 3900X
+17%
32531
Intel Core i5 12600K
27733
General Parameters
Jul 2019
Release Date
Oct 2021
AMD
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 2
Core Architecture
Alder Lake
-
Processor Number
i5-12600K
AM4
Socket
LGA-1700
N/A
Integrated Graphics
UHD Graphics 770
Package
3.8 billions
Transistor Count
-
7 nm
Manufacturing Process
10 nm
105 W
Power Consumption
125 W
-
Max Turbo Power Consumption
150 W
95 °C
Peak Operating Temperature
100°C
CPU Performance
12
Performance Cores
6
24
Performance Core Threads
12
3.8 GHz
Performance Core Base Frequency
3.7 GHz
4.6 GHz
Performance Core Turbo Frequency
4.9 GHz
-
Efficiency Cores
4
-
Efficiency Core Threads
4
-
Efficiency Core Base Frequency
2.8 GHz
-
Efficiency Core Turbo Frequency
3.6 GHz
12
Total Core Count
10
24
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
38x
Multiplier
37x
64 K per core
L1 Cache
80 K per core
512 K per core
L2 Cache
9728 K shared
64 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-3200
Memory Types
DDR5-4800, DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
47.68 GB/s
Max Memory Bandwidth
76.8 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1450 MHz
-
Shader Units
256
-
Texture Units
16
-
Raster Operation Units
8
-
Execution Units
32
-
Power Consumption
15 W
-
Graphics Performance
0.78 TFLOPS
