Intel Core i7 6900K vs Intel Core i9 11900KF
We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i9 11900KF with 8 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 6900K 's Advantages
Larger memory bandwidth (76.8GB/s vs 50GB/s)
Larger L3 cache size (20MB vs 16MB)
Intel Core i9 11900KF 's Advantages
Released 4 years and 10 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 3.2GHz)
Lower TDP (125W vs 140W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 6900K
1151
Intel Core i9 11900KF
+43%
1653
Cinebench R23 Multi Core
Intel Core i7 6900K
11326
Intel Core i9 11900KF
+25%
14197
Geekbench 6 Single Core
Intel Core i7 6900K
1286
Intel Core i9 11900KF
+97%
2536
Geekbench 6 Multi Core
Intel Core i7 6900K
7470
Intel Core i9 11900KF
+38%
10374
Blender
Intel Core i7 6900K
192
Intel Core i9 11900KF
+13%
218
Geekbench 5 Single Core
Intel Core i7 6900K
961
Intel Core i9 11900KF
+83%
1768
Geekbench 5 Multi Core
Intel Core i7 6900K
7327
Intel Core i9 11900KF
+39%
10209
Passmark CPU Single Core
Intel Core i7 6900K
2310
Intel Core i9 11900KF
+53%
3557
Passmark CPU Multi Core
Intel Core i7 6900K
14258
Intel Core i9 11900KF
+77%
25246
General Parameters
May 2016
Release Date
Mar 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Broadwell E
Core Architecture
Rocket Lake
i7-6900K
Processor Number
i9-11900KF
LGA-2011-3
Socket
LGA-1200
N/A
Integrated Graphics
No
Package
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
125 W
-
Peak Operating Temperature
100°C
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
3.2 GHz
Performance Core Base Frequency
3.5 GHz
3.7 GHz
Performance Core Turbo Frequency
5.3 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
512 K per core
20 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2133
Memory Types
DDR4-3200
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
50 GB/s
No
ECC Memory Support
No
