Intel Core i5 7640X vs Intel Core i9 11900KF
We compared two desktop CPUs: Intel Core i5 7640X with 4 cores 4.0GHz 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 i5 7640X 's Advantages
Higher base frequency (4.0GHz vs 3.5GHz)
Lower TDP (112W vs 125W)
Intel Core i9 11900KF 's Advantages
Released 3 years and 10 months late
Higher specification of memory (3200 vs 2666)
Larger memory bandwidth (50GB/s vs 42.7GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (16MB vs 6MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 7640X
1419
Intel Core i9 11900KF
+78%
2536
Geekbench 6 Multi Core
Intel Core i5 7640X
3726
Intel Core i9 11900KF
+178%
10374
Geekbench 5 Single Core
Intel Core i5 7640X
1237
Intel Core i9 11900KF
+42%
1768
Geekbench 5 Multi Core
Intel Core i5 7640X
4230
Intel Core i9 11900KF
+141%
10209
Passmark CPU Single Core
Intel Core i5 7640X
2505
Intel Core i9 11900KF
+41%
3557
Passmark CPU Multi Core
Intel Core i5 7640X
6735
Intel Core i9 11900KF
+274%
25246
General Parameters
May 2017
Release Date
Mar 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Kaby Lake
Core Architecture
Rocket Lake
i5-7640X
Processor Number
i9-11900KF
LGA-2066
Socket
LGA-1200
N/A
Integrated Graphics
No
Package
14 nm
Manufacturing Process
14 nm
112 W
Power Consumption
125 W
100 °C
Peak Operating Temperature
100°C
CPU Performance
4
Performance Cores
8
4
Performance Core Threads
16
4.0 GHz
Performance Core Base Frequency
3.5 GHz
4.2 GHz
Performance Core Turbo Frequency
5.3 GHz
4
Total Core Count
8
4
Total Thread Count
16
-
Bus Frequency
100 MHz
39x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
512 K per core
6 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-3200
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
42.7 GB/s
Max Memory Bandwidth
50 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
