Intel Core i9 9940X vs Intel Core i9 9920X
We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i9 9920X with 12 cores 3.5GHz . 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 L3 cache size (20MB vs 19MB)
Intel Core i9 9920X 's Advantages
Higher base frequency (3.5GHz vs 3.3GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9940X
+15%
1228
Intel Core i9 9920X
1067
Cinebench R23 Multi Core
Intel Core i9 9940X
+3%
15351
Intel Core i9 9920X
14793
Geekbench 6 Single Core
Intel Core i9 9940X
1328
Intel Core i9 9920X
+4%
1389
Geekbench 6 Multi Core
Intel Core i9 9940X
+223%
9787
Intel Core i9 9920X
3027
Geekbench 5 Single Core
Intel Core i9 9940X
+1%
1189
Intel Core i9 9920X
1171
Geekbench 5 Multi Core
Intel Core i9 9940X
+15%
14374
Intel Core i9 9920X
12494
Passmark CPU Single Core
Intel Core i9 9940X
2608
Intel Core i9 9920X
2608
Passmark CPU Multi Core
Intel Core i9 9940X
+13%
28355
Intel Core i9 9920X
25060
General Parameters
Oct 2018
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i9-9940X
Processor Number
i9-9920X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
165 W
88 °C
Peak Operating Temperature
92 °C
CPU Performance
14
Performance Cores
12
28
Performance Core Threads
24
3.3 GHz
Performance Core Base Frequency
3.5 GHz
4.4 GHz
Performance Core Turbo Frequency
4.4 GHz
14
Total Core Count
12
28
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
20 MB shared
L3 Cache
19 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
