Intel Core i9 9940X vs Intel Core i7 7800X
CPU Specs Compare
General Parameters
Release Date
Oct 2018
May 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Skylake
Processor Number
i9-9940X
i7-7800X
Integrated Graphics
N/A
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
LGA-2066
Power Consumption
165 W
140 W
Peak Operating Temperature
88 °C
100 °C
CPU Performance
Performance Cores
14
6
Performance Core Threads
28
12
Performance Core Base Frequency
3.3 GHz
3.5 GHz
Performance Core Turbo Frequency
4.4 GHz
4 GHz
Total Core Count
14
6
Total Thread Count
28
12
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
35x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
20 MB shared
8 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR4-2400
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
4
Max Memory Bandwidth
85 GB/s
79.47 GB/s
ECC Memory Support
No
No
Miscellaneous
📊 Benchmark
Cinebench R23
1,228
963
Cinebench R23
15,351
7,269
Geekbench 6
1,328
1,362
Geekbench 5
1,189
-
Geekbench 6
9,787
6,082
Geekbench 5
14,374
-
Passmark CPU
-
2,409
Passmark CPU
-
12,894