Intel Core i9 9940X vs AMD Ryzen 7 5800X3D
We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and AMD Ryzen 7 5800X3D with 8 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 9940X 's Advantages
Larger memory bandwidth (85GB/s vs 47.68GB/s)
AMD Ryzen 7 5800X3D 's Advantages
Released 3 years and 5 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.4GHz vs 3.3GHz)
Larger L3 cache size (96MB vs 20MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (105W vs 165W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9940X
1228
AMD Ryzen 7 5800X3D
+20%
1476
Cinebench R23 Multi Core
Intel Core i9 9940X
+5%
15351
AMD Ryzen 7 5800X3D
14514
Geekbench 6 Single Core
Intel Core i9 9940X
1328
AMD Ryzen 7 5800X3D
+59%
2112
Geekbench 6 Multi Core
Intel Core i9 9940X
9787
AMD Ryzen 7 5800X3D
+14%
11193
Geekbench 5 Single Core
Intel Core i9 9940X
1189
AMD Ryzen 7 5800X3D
+36%
1628
Geekbench 5 Multi Core
Intel Core i9 9940X
+23%
14374
AMD Ryzen 7 5800X3D
11614
Passmark CPU Single Core
Intel Core i9 9940X
2608
AMD Ryzen 7 5800X3D
+23%
3232
Passmark CPU Multi Core
Intel Core i9 9940X
28355
AMD Ryzen 7 5800X3D
28284
General Parameters
Oct 2018
Release Date
Mar 2022
Intel
Manufacturer
Amd
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Zen 3 (Vermeer)
i9-9940X
Processor Number
-
LGA-2066
Socket
AM4
N/A
Integrated Graphics
No
Package
14 nm
Manufacturing Process
7 nm
165 W
Power Consumption
105 W
88 °C
Peak Operating Temperature
90 °C
CPU Performance
14
Performance Cores
8
28
Performance Core Threads
16
3.3 GHz
Performance Core Base Frequency
3.4 GHz
4.4 GHz
Performance Core Turbo Frequency
4.5 GHz
14
Total Core Count
8
28
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
34
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
512 K per core
20 MB shared
L3 Cache
96 MB shared
Yes
Unlocked Multiplier
No
Memory Parameters
DDR4-2666
Memory Types
DDR4-3200,DDR4-2933,DDR4-2667
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
47.68 GB/s
No
ECC Memory Support
Yes
Miscellaneous
3.0
PCIe Version
4.0
44
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-
