Intel Core i9 7900X vs Intel Core i9 9900KS
We compared two desktop CPUs: Intel Core i9 7900X with 10 cores 3.3GHz 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 i9 7900X '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 base frequency (4.0GHz vs 3.3GHz)
Larger L3 cache size (16MB vs 14MB)
Lower TDP (127W vs 140W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 7900X
1203
Intel Core i9 9900KS
+9%
1323
Cinebench R23 Multi Core
Intel Core i9 7900X
+12%
14998
Intel Core i9 9900KS
13343
Geekbench 6 Single Core
Intel Core i9 7900X
1323
Intel Core i9 9900KS
+26%
1678
Geekbench 6 Multi Core
Intel Core i9 7900X
8536
Intel Core i9 9900KS
+2%
8751
Geekbench 5 Single Core
Intel Core i9 7900X
1127
Intel Core i9 9900KS
+23%
1391
Geekbench 5 Multi Core
Intel Core i9 7900X
+5%
10189
Intel Core i9 9900KS
9636
Passmark CPU Single Core
Intel Core i9 7900X
2556
Intel Core i9 9900KS
+18%
3029
Passmark CPU Multi Core
Intel Core i9 7900X
+8%
20991
Intel Core i9 9900KS
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
i9-7900X
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
95 °C
Peak Operating Temperature
100 °C
CPU Performance
10
Performance Cores
8
20
Performance Core Threads
16
3.3 GHz
Performance Core Base Frequency
4.0 GHz
4.3 GHz
Performance Core Turbo Frequency
5 GHz
10
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
40x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
14 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
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
44
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
