Intel Core i7 9700K vs Intel Core i9 7900X
We compared two desktop CPUs: Intel Core i7 9700K with 8 cores 3.6GHz 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 i7 9700K Advantages
Released 1 years and 5 months late
Integrated graphics card
Higher base frequency (3.6GHz vs 3.3GHz)
Lower TDP (95W vs 140W)
Intel Core i9 7900X Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Larger L3 cache size (14MB vs 12MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 9700K
+6%
1279
Intel Core i9 7900X
1203
Cinebench R23 Multi Core
Intel Core i7 9700K
9416
Intel Core i9 7900X
+59%
14998
Geekbench 6 Single Core
Intel Core i7 9700K
+19%
1575
Intel Core i9 7900X
1323
Geekbench 6 Multi Core
Intel Core i7 9700K
6702
Intel Core i9 7900X
+27%
8536
Geekbench 5 Single Core
Intel Core i7 9700K
+13%
1284
Intel Core i9 7900X
1127
Geekbench 5 Multi Core
Intel Core i7 9700K
7419
Intel Core i9 7900X
+37%
10189
Passmark CPU Single Core
Intel Core i7 9700K
+12%
2878
Intel Core i9 7900X
2556
Passmark CPU Multi Core
Intel Core i7 9700K
14441
Intel Core i9 7900X
+45%
20991
General Parameters
Oct 2018
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i7-9700K
Processor Number
i9-7900X
LGA-1151
Socket
LGA-2066
UHD Graphics 630
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
95 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
95 °C
CPU Performance
8
Performance Cores
10
8
Performance Core Threads
20
3.6 GHz
Performance Core Base Frequency
3.3 GHz
4.9 GHz
Performance Core Turbo Frequency
4.3 GHz
8
Total Core Count
10
8
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
33x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
12 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
