Intel Core i9 9940X vs Intel Core i5 8259U
CPU Specs Compare
General Parameters
Release Date
Oct 2018
Apr 2018
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Coffee Lake
Processor Number
i9-9940X
i5-8259U
Integrated Graphics
N/A
Iris Plus Graphics 655
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
BGA-1528
Power Consumption
165 W
28 W
Peak Operating Temperature
88 °C
100 °C
CPU Performance
Performance Cores
14
4
Performance Core Threads
28
8
Performance Core Base Frequency
3.3 GHz
2.3 GHz
Performance Core Turbo Frequency
4.4 GHz
3.8 GHz
Total Core Count
14
4
Total Thread Count
28
8
Bus Frequency
100 MHz
-
Multiplier
33x
23x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
20 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2666
DDR4-2400, LPDDR3-2133
Max Memory Size
128 GB
32 GB
Max Memory Channels
4
2
Max Memory Bandwidth
85 GB/s
37.5 GB/s
ECC Memory Support
No
No
Miscellaneous
Graphics Card Parameters
Integrated Graphics
-
true
GPU Base Frequency
-
300 MHz
GPU Max Dynamic Frequency
-
1050 MHz
Shader Units
-
384
Texture Units
-
48
Raster Operation Units
-
6
Execution Units
-
48
Power Consumption
-
15 W
Max Resolution
-
4096x2304 - 60 Hz
📊 Benchmark
Cinebench R23
1,228
-
Cinebench R23
15,351
-
Geekbench 6
1,328
1,220
Geekbench 5
1,189
-
Geekbench 6
9,787
4,337
Geekbench 5
14,374
-