Intel Core i9 9900K vs Intel Core i7 6700K
We compared two desktop CPUs: Intel Core i9 9900K with 8 cores 3.6GHz 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 9900K 's Advantages
Released 3 years and 2 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Larger L3 cache size (16MB vs 8MB)
Intel Core i7 6700K 's Advantages
Higher base frequency (4.0GHz vs 3.6GHz)
Lower TDP (91W vs 95W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9900K
+18%
1333
Intel Core i7 6700K
1129
Cinebench R23 Multi Core
Intel Core i9 9900K
+121%
12496
Intel Core i7 6700K
5646
Geekbench 6 Single Core
Intel Core i9 9900K
+10%
1665
Intel Core i7 6700K
1512
Geekbench 6 Multi Core
Intel Core i9 9900K
+26%
6395
Intel Core i7 6700K
5068
Blender
Intel Core i9 9900K
+96%
210
Intel Core i7 6700K
107
Geekbench 5 Single Core
Intel Core i9 9900K
+16%
1265
Intel Core i7 6700K
1087
Geekbench 5 Multi Core
Intel Core i9 9900K
+96%
8406
Intel Core i7 6700K
4271
Passmark CPU Single Core
Intel Core i9 9900K
+17%
2945
Intel Core i7 6700K
2503
Passmark CPU Multi Core
Intel Core i9 9900K
+105%
18381
Intel Core i7 6700K
8928
General Parameters
Oct 2018
Release Date
Aug 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i9-9900K
Processor Number
i7-6700K
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
HD Graphics 530
Package
-
Transistor Count
1.75 billions
14 nm
Manufacturing Process
14 nm
95 W
Power Consumption
91 W
100 °C
Peak Operating Temperature
-
CPU Performance
8
Performance Cores
4
16
Performance Core Threads
8
3.6 GHz
Performance Core Base Frequency
4.0 GHz
5 GHz
Performance Core Turbo Frequency
4.2 GHz
8
Total Core Count
4
16
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
40
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
16 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2133,DDR3L-1600
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
-
1200 MHz
GPU Max Dynamic Frequency
1150 MHz
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
