Intel Core i7 7800X vs Intel Core i9 9900KS
We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz and Intel Core i9 9900KS with 8 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
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)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 7800X
963
Intel Core i9 9900KS
+37%
1323
Cinebench R23 Multi Core
Intel Core i7 7800X
7269
Intel Core i9 9900KS
+83%
13343
Geekbench 6 Single Core
Intel Core i7 7800X
1362
Intel Core i9 9900KS
+23%
1678
Geekbench 6 Multi Core
Intel Core i7 7800X
6082
Intel Core i9 9900KS
+43%
8751
Geekbench 5 Single Core
Intel Core i7 7800X
1069
Intel Core i9 9900KS
+30%
1391
Geekbench 5 Multi Core
Intel Core i7 7800X
6578
Intel Core i9 9900KS
+46%
9636
Passmark CPU Single Core
Intel Core i7 7800X
2409
Intel Core i9 9900KS
+25%
3029
Passmark CPU Multi Core
Intel Core i7 7800X
12894
Intel Core i9 9900KS
+50%
19417
General Parameters
May 2017
Release Date
Oct 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i7-7800X
Processor Number
i9-9900KS
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
UHD Graphics 630
Package
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
127 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
8
12
Performance Core Threads
16
3.5 GHz
Performance Core Base Frequency
4.0 GHz
4 GHz
Performance Core Turbo Frequency
5 GHz
6
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
40x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2400
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
79.47 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1200 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS
Miscellaneous
3.0
PCIe Version
3.0
28
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
