Intel Core i9 14900KF vs Intel Core i9 9940X
CPU Specs Compare
General Parameters
Release Date
Oct 2023
Oct 2018
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Raptor Lake Refresh
Skylake
Processor Number
i9-14900KF
i9-9940X
Integrated Graphics
No
N/A
Generation
Core i9 (Raptor Lake Refresh)
-
Package
Manufacturing Process
10 nm
14 nm
Socket
LGA-1700
LGA-2066
Power Consumption
125 W
165 W
Max Turbo Power Consumption
253 W
-
Peak Operating Temperature
100°C
88 °C
Foundry
Intel
-
Die Size
257 mm²
-
Package
FC-LGA16A
-
CPU Performance
Performance Cores
8
14
Performance Core Threads
16
28
Performance Core Base Frequency
3.2 GHz
3.3 GHz
Performance Core Turbo Frequency
6 GHz
4.4 GHz
Efficiency Cores
16
-
Efficiency Core Threads
16
-
Efficiency Core Base Frequency
2.4 GHz
-
Efficiency Core Turbo Frequency
4.4 GHz
-
Total Core Count
24
14
Total Thread Count
32
28
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
33x
L1 Cache
80 K per core
64 K per core
L2 Cache
2 MB per core
1 MB per core
L3 Cache
36 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
-
Memory Parameters
Memory Types
DDR5-5600, DDR4-3200
DDR4-2666
Max Memory Size
192 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
89.6 GB/s
85 GB/s
ECC Memory Support
Yes
No
Miscellaneous
📊 Benchmark
Cinebench R23
2,358
1,228
Cinebench R23
38,497
15,351
Geekbench 6
3,176
1,328
Geekbench 6
22,411
9,787
Cinebench 2024
139
-
Cinebench 2024
2,177
-
Blender
670
-
Passmark CPU
4,722
-
Passmark CPU
60,232
-
Geekbench 5
-
1,189
Geekbench 5
-
14,374