Intel Core i9 10900KF vs Intel Core i7 7820X
We compared two desktop CPUs: Intel Core i9 10900KF with 10 cores 3.7GHz and Intel Core i7 7820X with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 10900KF 's Advantages
Released 3 years late
Higher specification of memory (2933 vs 2666)
Higher base frequency (3.7GHz vs 3.6GHz)
Larger L3 cache size (20MB vs 11MB)
Lower TDP (125W vs 140W)
Intel Core i7 7820X 's Advantages
Larger memory bandwidth (79.47GB/s vs 45.8GB/s)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 10900KF
+2%
1375
Intel Core i7 7820X
1338
Cinebench R23 Multi Core
Intel Core i9 10900KF
+3%
13761
Intel Core i7 7820X
13358
Geekbench 6 Single Core
Intel Core i9 10900KF
+39%
1741
Intel Core i7 7820X
1252
Geekbench 6 Multi Core
Intel Core i9 10900KF
7414
Intel Core i7 7820X
+1%
7510
Geekbench 5 Single Core
Intel Core i9 10900KF
+16%
1301
Intel Core i7 7820X
1120
Geekbench 5 Multi Core
Intel Core i9 10900KF
+29%
11050
Intel Core i7 7820X
8504
Passmark CPU Single Core
Intel Core i9 10900KF
+22%
3118
Intel Core i7 7820X
2536
Passmark CPU Multi Core
Intel Core i9 10900KF
+33%
22915
Intel Core i7 7820X
17189
General Parameters
May 2020
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Comet Lake
Core Architecture
Skylake
i9-10900KF
Processor Number
i7-7820X
LGA-1200
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
125 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
99 °C
CPU Performance
10
Performance Cores
8
20
Performance Core Threads
16
3.7 GHz
Performance Core Base Frequency
3.6 GHz
5.3 GHz
Performance Core Turbo Frequency
4.3 GHz
10
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
37x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
20 MB shared
L3 Cache
11 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2933
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
45.8 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
