Intel Core i9 9920X vs Intel Core i9 9940X
We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and Intel Core i9 9940X with 14 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 9920X 's Advantages
Higher base frequency (3.5GHz vs 3.3GHz)
Intel Core i9 9940X 's Advantages
Larger L3 cache size (20MB vs 19MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9920X
1067
Intel Core i9 9940X
+15%
1228
Cinebench R23 Multi Core
Intel Core i9 9920X
14793
Intel Core i9 9940X
+3%
15351
Geekbench 6 Single Core
Intel Core i9 9920X
+4%
1389
Intel Core i9 9940X
1328
Geekbench 6 Multi Core
Intel Core i9 9920X
3027
Intel Core i9 9940X
+223%
9787
Geekbench 5 Single Core
Intel Core i9 9920X
1171
Intel Core i9 9940X
+1%
1189
Geekbench 5 Multi Core
Intel Core i9 9920X
12494
Intel Core i9 9940X
+15%
14374
Passmark CPU Single Core
Intel Core i9 9920X
2608
Intel Core i9 9940X
2608
Passmark CPU Multi Core
Intel Core i9 9920X
25060
Intel Core i9 9940X
+13%
28355
General Parameters
Oct 2018
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i9-9920X
Processor Number
i9-9940X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
165 W
92 °C
Peak Operating Temperature
88 °C
CPU Performance
12
Performance Cores
14
24
Performance Core Threads
28
3.5 GHz
Performance Core Base Frequency
3.3 GHz
4.4 GHz
Performance Core Turbo Frequency
4.4 GHz
12
Total Core Count
14
24
Total Thread Count
28
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
33x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
19 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
85 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
44
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
