Intel Core i9 9900KS vs Intel Core i9 7900X
We compared two desktop CPUs: Intel Core i9 9900KS with 8 cores 4.0GHz and Intel Core i9 7900X with 10 cores 3.3GHz . 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 base frequency (4.0GHz vs 3.3GHz)
Larger L3 cache size (16MB vs 14MB)
Lower TDP (127W vs 140W)
Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9900KS
+9%
1323
Intel Core i9 7900X
1203
Cinebench R23 Multi Core
Intel Core i9 9900KS
13343
Intel Core i9 7900X
+12%
14998
Geekbench 6 Single Core
Intel Core i9 9900KS
+26%
1678
Intel Core i9 7900X
1323
Geekbench 6 Multi Core
Intel Core i9 9900KS
+2%
8751
Intel Core i9 7900X
8536
Geekbench 5 Single Core
Intel Core i9 9900KS
+23%
1391
Intel Core i9 7900X
1127
Geekbench 5 Multi Core
Intel Core i9 9900KS
9636
Intel Core i9 7900X
+5%
10189
Passmark CPU Single Core
Intel Core i9 9900KS
+18%
3029
Intel Core i9 7900X
2556
Passmark CPU Multi Core
Intel Core i9 9900KS
19417
Intel Core i9 7900X
+8%
20991
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
i9-7900X
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
95 °C
CPU Performance
8
Performance Cores
10
16
Performance Core Threads
20
4.0 GHz
Performance Core Base Frequency
3.3 GHz
5 GHz
Performance Core Turbo Frequency
4.3 GHz
8
Total Core Count
10
16
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
40x
Multiplier
33x
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
14 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
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
44
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
