Intel Core i9 10900X vs Intel Core i9 9940X
We compared two desktop CPUs: Intel Core i9 10900X with 10 cores 3.7GHz 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 10900X 's Advantages
Released 1 years late
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (93.8GB/s vs 85GB/s)
Higher base frequency (3.7GHz vs 3.3GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 10900X
1145
Intel Core i9 9940X
+7%
1228
Cinebench R23 Multi Core
Intel Core i9 10900X
14312
Intel Core i9 9940X
+7%
15351
Geekbench 6 Single Core
Intel Core i9 10900X
+17%
1566
Intel Core i9 9940X
1328
Geekbench 6 Multi Core
Intel Core i9 10900X
9308
Intel Core i9 9940X
+5%
9787
Geekbench 5 Single Core
Intel Core i9 10900X
1133
Intel Core i9 9940X
+4%
1189
Geekbench 5 Multi Core
Intel Core i9 10900X
10786
Intel Core i9 9940X
+33%
14374
Passmark CPU Single Core
Intel Core i9 10900X
+2%
2664
Intel Core i9 9940X
2608
Passmark CPU Multi Core
Intel Core i9 10900X
22469
Intel Core i9 9940X
+26%
28355
General Parameters
Oct 2019
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Cascade Lake
Core Architecture
Skylake
i9-10900X
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
94 °C
Peak Operating Temperature
88 °C
CPU Performance
10
Performance Cores
14
20
Performance Core Threads
28
3.7 GHz
Performance Core Base Frequency
3.3 GHz
4.5 GHz
Performance Core Turbo Frequency
4.4 GHz
10
Total Core Count
14
20
Total Thread Count
28
100 MHz
Bus Frequency
100 MHz
37x
Multiplier
33x
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
20 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2933
Memory Types
DDR4-2666
256 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
93.8 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
48
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
