Intel Core i7 11700KF vs Intel Core i7 7820X
We compared two desktop CPUs: Intel Core i7 11700KF with 8 cores 3.6GHz 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 i7 11700KF 's Advantages
Released 3 years and 10 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (16MB vs 11MB)
Lower TDP (125W vs 140W)
Intel Core i7 7820X 's Advantages
Larger memory bandwidth (79.47GB/s vs 50GB/s)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 11700KF
+19%
1595
Intel Core i7 7820X
1338
Cinebench R23 Multi Core
Intel Core i7 11700KF
+12%
15011
Intel Core i7 7820X
13358
Geekbench 6 Single Core
Intel Core i7 11700KF
+86%
2334
Intel Core i7 7820X
1252
Geekbench 6 Multi Core
Intel Core i7 11700KF
+43%
10758
Intel Core i7 7820X
7510
Geekbench 5 Single Core
Intel Core i7 11700KF
+52%
1709
Intel Core i7 7820X
1120
Geekbench 5 Multi Core
Intel Core i7 11700KF
+16%
9915
Intel Core i7 7820X
8504
Passmark CPU Single Core
Intel Core i7 11700KF
+33%
3390
Intel Core i7 7820X
2536
Passmark CPU Multi Core
Intel Core i7 11700KF
+39%
24052
Intel Core i7 7820X
17189
General Parameters
Mar 2021
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Rocket Lake
Core Architecture
Skylake
i7-11700KF
Processor Number
i7-7820X
LGA-1200
Socket
LGA-2066
No
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
8
Performance Cores
8
16
Performance Core Threads
16
3.6 GHz
Performance Core Base Frequency
3.6 GHz
5 GHz
Performance Core Turbo Frequency
4.3 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
11 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-3200
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
50 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
4.0
PCIe Version
3.0
20
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
