Intel Core i9 12900KF vs Intel Core i5 7640X
We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz and Intel Core i5 7640X with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 12900KF Advantages
Released 4 years and 5 months late
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 42.7GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 7640X Advantages
Higher base frequency (4.0GHz vs 3.2GHz)
Lower TDP (112W vs 125W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 12900KF
+89%
2686
Intel Core i5 7640X
1419
Geekbench 6 Multi Core
Intel Core i9 12900KF
+332%
16130
Intel Core i5 7640X
3726
Geekbench 5 Single Core
Intel Core i9 12900KF
+59%
1970
Intel Core i5 7640X
1237
Geekbench 5 Multi Core
Intel Core i9 12900KF
+312%
17469
Intel Core i5 7640X
4230
Passmark CPU Single Core
Intel Core i9 12900KF
+66%
4167
Intel Core i5 7640X
2505
Passmark CPU Multi Core
Intel Core i9 12900KF
+511%
41190
Intel Core i5 7640X
6735
General Parameters
Oct 2021
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Kaby Lake
i9-12900KF
Processor Number
i5-7640X
LGA-1700
Socket
LGA-2066
No
Integrated Graphics
N/A
Package
10 nm
Manufacturing Process
14 nm
125 W
Power Consumption
112 W
241 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
4
16
Performance Core Threads
4
3.2 GHz
Performance Core Base Frequency
4.0 GHz
5.1 GHz
Performance Core Turbo Frequency
4.2 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
2.4 GHz
Efficiency Core Base Frequency
-
3.9 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
4
24
Total Thread Count
4
100 MHz
Bus Frequency
-
32x
Multiplier
39x
64 K per core
L1 Cache
64 K per core
14 MB shared
L2 Cache
256 K per core
30 MB shared
L3 Cache
6 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR4-2666
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
42.7 GB/s
Yes
ECC Memory Support
No
Miscellaneous
5.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
