Intel Core i5 6600 vs Intel Core 3 305
CPU Specs Compare
General Parameters
Release Date
Sep 2015
Apr 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
-
Core Architecture
Skylake
Wildcat Lake
Processor Number
i5-6600
-
Integrated Graphics
HD Graphics 530
Intel Xe3 Graphics (1 Xe)
Generation
-
Core 3 (Wildcat Lake)
Package
Transistor Count
1.75 billions
-
Manufacturing Process
14 nm
3 nm
Socket
LGA-1151
Intel BGA 1516
Power Consumption
65 W
15 W
Peak Operating Temperature
-
100°C
Foundry
-
Intel
Package
-
FC-BGA
CPU Performance
Performance Cores
4
2
Performance Core Threads
4
4
Performance Core Base Frequency
3.3 GHz
1.5 GHz
Performance Core Turbo Frequency
3.9 GHz
4.3 GHz
Total Core Count
4
6
Total Thread Count
4
6
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
15.0
L1 Cache
64 K per core
192 KB
L2 Cache
256 K per core
2.5 MB
L3 Cache
6 MB shared
6 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
-
4
Efficiency Core Threads
-
4
Efficiency Core Base Frequency
-
1400 MHz
Efficiency Core Turbo Frequency
-
3.3 GHz
SMP
-
1
Memory Parameters
Memory Types
DDR4-2133, DDR3L-1600
DDR5-6400, LPDDR5-6400X-7467
Max Memory Size
64 GB
64 GB
Max Memory Channels
2
1
Max Memory Bandwidth
34.1 GB/s
59.7 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
-
GPU Max Dynamic Frequency
1150 MHz
-
Miscellaneous
📊 Benchmark
Cinebench R23
1,042
-
Cinebench R23
3,810
-
Geekbench 6
1,215
-
Geekbench 5
953
-
Geekbench 6
3,041
-
Geekbench 5
3,325
-
Blender
41
-
Passmark CPU
2,246
-
Passmark CPU
5,989
-