Intel Core i9 9900X vs Intel Core i9 7900X
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
i9-9900X
i9-7900X
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
92 °C
95 °C
CPU Performance
Performance Cores
10
10
Performance Core Threads
20
20
Performance Core Base Frequency
3.5 GHz
3.3 GHz
Performance Core Turbo Frequency
4.4 GHz
4.3 GHz
Total Core Count
10
10
Total Thread Count
20
20
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
33x
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
14 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR4-2666
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
PCIe Version
3.0
3.0
PCIe Lanes
44
44
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
1,182
1,203
Cinebench R23
13,994
14,998
Geekbench 6
1,455
1,323
Geekbench 5
1,165
—
Geekbench 6
10,273
8,536
Geekbench 5
10,704
—
Passmark CPU
2,565
2,556
Passmark CPU
21,833
20,991
▲ Specs Compare
Data sourced from official specifications and benchmark tests.