Intel Core i7 7820X vs Intel Core i7 9800X
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i7 9800X with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 7820X 's Advantages
Lower TDP (140W vs 165W)
Intel Core i7 9800X 's Advantages
Released 1 years and 5 months late
Higher base frequency (3.8GHz vs 3.6GHz)
Larger L3 cache size (17MB vs 11MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 7820X
+5%
1338
Intel Core i7 9800X
1263
Cinebench R23 Multi Core
Intel Core i7 7820X
+2%
13358
Intel Core i7 9800X
13055
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i7 9800X
+4%
1314
Geekbench 6 Multi Core
Intel Core i7 7820X
7510
Intel Core i7 9800X
+6%
7991
Geekbench 5 Single Core
Intel Core i7 7820X
1120
Intel Core i7 9800X
+9%
1225
Geekbench 5 Multi Core
Intel Core i7 7820X
8504
Intel Core i7 9800X
+13%
9648
Passmark CPU Single Core
Intel Core i7 7820X
2536
Intel Core i7 9800X
+1%
2573
Passmark CPU Multi Core
Intel Core i7 7820X
17189
Intel Core i7 9800X
+5%
18121
General Parameters
May 2017
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i7-7820X
Processor Number
i7-9800X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
165 W
99 °C
Peak Operating Temperature
95 °C
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
3.6 GHz
Performance Core Base Frequency
3.8 GHz
4.3 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
38x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
11 MB shared
L3 Cache
17 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
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
28
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
