Intel Core i7 6700K vs Intel Core 3 305
CPU · Specs Compare
General Parameters
Release Date
Aug 2015
Apr 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
—
Core Architecture
Skylake
Wildcat Lake
Processor Number
i7-6700K
—
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
91 W
15 W
Peak Operating Temperature
—
100°C
Foundry
—
Intel
Package
—
FC-BGA
CPU Performance
Performance Cores
4
2
Performance Core Threads
8
4
Performance Core Base Frequency
4.0 GHz
1.5 GHz
Performance Core Turbo Frequency
4.2 GHz
4.3 GHz
Total Core Count
4
6
Total Thread Count
8
6
Bus Frequency
100 MHz
100 MHz
Multiplier
40
15.0
L1 Cache
64 K per core
192 KB
L2 Cache
256 K per core
2.5 MB
L3 Cache
8 MB shared
6 MB shared
Unlocked Multiplier
Yes
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
PCIe Version
3.0
4
PCIe Lanes
16
6
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
1,129
—
Cinebench R23
5,646
—
Geekbench 6
1,512
—
Geekbench 5
1,087
—
Geekbench 6
5,068
—
Geekbench 5
4,271
—
Blender
107
—
Passmark CPU
2,503
—
Passmark CPU
8,928
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.