Intel Core i9 9900KS vs Intel Core i7 7800X
We compared two desktop CPUs: Intel Core i9 9900KS with 8 cores 4.0GHz and Intel Core i7 7800X with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 9900KS 's Advantages
Released 2 years and 5 months late
Integrated graphics card
Higher specification of memory (2666 vs 2400)
Higher base frequency (4.0GHz vs 3.5GHz)
Larger L3 cache size (16MB vs 8MB)
Lower TDP (127W vs 140W)
Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9900KS
+37%
1323
Intel Core i7 7800X
963
Cinebench R23 Multi Core
Intel Core i9 9900KS
+83%
13343
Intel Core i7 7800X
7269
Geekbench 6 Single Core
Intel Core i9 9900KS
+23%
1678
Intel Core i7 7800X
1362
Geekbench 6 Multi Core
Intel Core i9 9900KS
+43%
8751
Intel Core i7 7800X
6082
Geekbench 5 Single Core
Intel Core i9 9900KS
+30%
1391
Intel Core i7 7800X
1069
Geekbench 5 Multi Core
Intel Core i9 9900KS
+46%
9636
Intel Core i7 7800X
6578
Passmark CPU Single Core
Intel Core i9 9900KS
+25%
3029
Intel Core i7 7800X
2409
Passmark CPU Multi Core
Intel Core i9 9900KS
+50%
19417
Intel Core i7 7800X
12894
General Parameters
Oct 2019
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i9-9900KS
Processor Number
i7-7800X
LGA-1151
Socket
LGA-2066
UHD Graphics 630
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
127 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
12
4.0 GHz
Performance Core Base Frequency
3.5 GHz
5 GHz
Performance Core Turbo Frequency
4 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
40x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2400
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1200 MHz
GPU Max Dynamic Frequency
-
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
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
