Intel Core i9 9900KF vs Intel Core i9 10940X
CPU · Specs Compare
General Parameters
Release Date
Jan 2019
Oct 2019
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Cascade Lake
Processor Number
i9-9900KF
i9-10940X
Integrated Graphics
N/A
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-1151
LGA-2066
Power Consumption
95 W
165 W
Peak Operating Temperature
100 °C
86 °C
CPU Performance
Performance Cores
8
14
Performance Core Threads
16
28
Performance Core Base Frequency
3.6 GHz
3.3 GHz
Performance Core Turbo Frequency
5 GHz
4.6 GHz
Total Core Count
8
14
Total Thread Count
16
28
Bus Frequency
100 MHz
100 MHz
Multiplier
36x
33x
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
1 MB per core
L3 Cache
16 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR4-2933
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
4
Max Memory Bandwidth
41.6 GB/s
93.8 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
16
48
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
1,260
1,234
Cinebench R23
12,606
21,309
Geekbench 6
1,612
1,471
Geekbench 5
1,300
1,144
Geekbench 6
7,648
11,287
Geekbench 5
8,856
13,573
Passmark CPU
2,945
2,686
Passmark CPU
18,462
27,907
▲ Specs Compare
Data sourced from official specifications and benchmark tests.