Intel Core i9 9900X vs Intel Core i5 7640X
We compared two desktop CPUs: Intel Core i9 9900X with 10 cores 3.5GHz and Intel Core i5 7640X with 4 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 9900X Advantages
Released 1 years and 5 months late
Larger memory bandwidth (85GB/s vs 42.7GB/s)
Larger L3 cache size (20MB vs 6MB)
Intel Core i5 7640X Advantages
Higher base frequency (4.0GHz vs 3.5GHz)
Lower TDP (112W vs 165W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 9900X
+2%
1455
Intel Core i5 7640X
1419
Geekbench 6 Multi Core
Intel Core i9 9900X
+175%
10273
Intel Core i5 7640X
3726
Geekbench 5 Single Core
Intel Core i9 9900X
1165
Intel Core i5 7640X
+6%
1237
Geekbench 5 Multi Core
Intel Core i9 9900X
+153%
10704
Intel Core i5 7640X
4230
Passmark CPU Single Core
Intel Core i9 9900X
+2%
2565
Intel Core i5 7640X
2505
Passmark CPU Multi Core
Intel Core i9 9900X
+224%
21833
Intel Core i5 7640X
6735
General Parameters
Oct 2018
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Kaby Lake
i9-9900X
Processor Number
i5-7640X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
112 W
92 °C
Peak Operating Temperature
100 °C
CPU Performance
10
Performance Cores
4
20
Performance Core Threads
4
3.5 GHz
Performance Core Base Frequency
4.0 GHz
4.4 GHz
Performance Core Turbo Frequency
4.2 GHz
10
Total Core Count
4
20
Total Thread Count
4
100 MHz
Bus Frequency
-
35x
Multiplier
39x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
6 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
64 GB
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
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
