Intel Core i7 9800X vs Intel Core i7 7800X
We compared two desktop CPUs: Intel Core i7 9800X with 8 cores 3.8GHz and Intel Core i7 7800X with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 9800X 's Advantages
Released 1 years and 5 months late
Higher specification of memory (2666 vs 2400)
Higher base frequency (3.8GHz vs 3.5GHz)
Larger L3 cache size (17MB vs 8MB)
Intel Core i7 7800X 's Advantages
Lower TDP (140W vs 165W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 9800X
+31%
1263
Intel Core i7 7800X
963
Cinebench R23 Multi Core
Intel Core i7 9800X
+79%
13055
Intel Core i7 7800X
7269
Geekbench 6 Single Core
Intel Core i7 9800X
1314
Intel Core i7 7800X
+3%
1362
Geekbench 6 Multi Core
Intel Core i7 9800X
+31%
7991
Intel Core i7 7800X
6082
Geekbench 5 Single Core
Intel Core i7 9800X
+14%
1225
Intel Core i7 7800X
1069
Geekbench 5 Multi Core
Intel Core i7 9800X
+46%
9648
Intel Core i7 7800X
6578
Passmark CPU Single Core
Intel Core i7 9800X
+6%
2573
Intel Core i7 7800X
2409
Passmark CPU Multi Core
Intel Core i7 9800X
+40%
18121
Intel Core i7 7800X
12894
General Parameters
Oct 2018
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i7-9800X
Processor Number
i7-7800X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
140 W
95 °C
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
12
3.8 GHz
Performance Core Base Frequency
3.5 GHz
4.4 GHz
Performance Core Turbo Frequency
4 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
38x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
17 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2400
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
79.47 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
44
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
