Intel Core i5 6600 vs Intel Core Ultra X9 388H
CPU Specs Compare
General Parameters
Release Date
Sep 2015
Jan 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Panther Lake
Processor Number
i5-6600
388H
Integrated Graphics
HD Graphics 530
Arc B390
Generation
-
Ultra X9 (Panther Lake-H)
Package
Transistor Count
1.75 billions
-
Manufacturing Process
14 nm
2 nm
Socket
LGA-1151
FCBGA2540
Power Consumption
65 W
15-25 W
Max Turbo Power Consumption
-
80 W
Peak Operating Temperature
-
100 °C
Foundry
-
Intel
Package
-
FC-BGA
CPU Performance
Performance Cores
4
4
Performance Core Threads
4
4
Performance Core Base Frequency
3.3 GHz
2.1 GHz
Performance Core Turbo Frequency
3.9 GHz
5.1 GHz
Total Core Count
4
16
Total Thread Count
4
16
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
21
L1 Cache
64 K per core
192 K per core
L2 Cache
256 K per core
2560 K per core
L3 Cache
6 MB shared
18 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
1.6 GHz
Efficiency Core Turbo Frequency
-
4 GHz
SMP
-
1
Memory Parameters
Memory Types
DDR4-2133, DDR3L-1600
LPDDR5X-9600
Max Memory Size
64 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
153.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
1150 MHz
2500 MHz
GPU Base Frequency
-
300 MHz
Shader Units
-
1536
Texture Units
-
48
Raster Operation Units
-
24
Execution Units
-
12
Power Consumption
-
45
Miscellaneous
AI Accelerator
Theoretical performance
-
50 TOPS
📊 Benchmark
Cinebench R23
1,042
-
Cinebench R23
3,810
-
Geekbench 6
1,215
3,026
Geekbench 5
953
-
Geekbench 6
3,041
17,541
Geekbench 5
3,325
-
Blender
41
-
Passmark CPU
2,246
-
Passmark CPU
5,989
-
Cinebench 2024
-
130