Intel Core i9 12900KS vs Intel Core i7 6700K
We compared two desktop CPUs: Intel Core i9 12900KS with 16 cores 3.4GHz and Intel Core i7 6700K 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 12900KS 's Advantages
Released 6 years and 8 months late
Higher specification of memory (4800 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i7 6700K 's Advantages
Higher base frequency (4.0GHz vs 3.4GHz)
Lower TDP (91W vs 150W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900KS
+84%
2082
Intel Core i7 6700K
1129
Cinebench R23 Multi Core
Intel Core i9 12900KS
+392%
27796
Intel Core i7 6700K
5646
Geekbench 6 Single Core
Intel Core i9 12900KS
+69%
2559
Intel Core i7 6700K
1512
Geekbench 6 Multi Core
Intel Core i9 12900KS
+206%
15546
Intel Core i7 6700K
5068
Blender
Intel Core i9 12900KS
+283%
410
Intel Core i7 6700K
107
Geekbench 5 Single Core
Intel Core i9 12900KS
+87%
2041
Intel Core i7 6700K
1087
Geekbench 5 Multi Core
Intel Core i9 12900KS
+314%
17685
Intel Core i7 6700K
4271
Passmark CPU Single Core
Intel Core i9 12900KS
+74%
4357
Intel Core i7 6700K
2503
Passmark CPU Multi Core
Intel Core i9 12900KS
+398%
44470
Intel Core i7 6700K
8928
General Parameters
Apr 2022
Release Date
Aug 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake-S
Core Architecture
Skylake
i9-12900KS
Processor Number
i7-6700K
LGA-1700
Socket
LGA-1151
UHD Graphics 770
Integrated Graphics
HD Graphics 530
Package
-
Transistor Count
1.75 billions
10 nm
Manufacturing Process
14 nm
150 W
Power Consumption
91 W
100 °C
Peak Operating Temperature
-
CPU Performance
8
Performance Cores
4
-
Performance Core Threads
8
3.4 GHz
Performance Core Base Frequency
4.0 GHz
5.5 GHz
Performance Core Turbo Frequency
4.2 GHz
8
Efficiency Cores
-
16
Total Core Count
4
24
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
34x
Multiplier
40
64 K per core
L1 Cache
64 K per core
14 MB shared
L2 Cache
256 K per core
30 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR4-2133,DDR3L-1600
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
34.1 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1550 MHz
GPU Max Dynamic Frequency
1150 MHz
256
Shader Units
-
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
-
15 W
Power Consumption
-
0.78 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
