Intel Core i5 6600K vs Intel Core i7 7740X
We compared two desktop CPUs: Intel Core i5 6600K with 4 cores 3.5GHz and Intel Core i7 7740X with 4 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 6600K Advantages
Integrated graphics card
Lower TDP (91W vs 112W)
Intel Core i7 7740X Advantages
Released 1 years and 9 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (42.7GB/s vs 34.1GB/s)
Higher base frequency (4.3GHz vs 3.5GHz)
Larger L3 cache size (8MB vs 6MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 6600K
1486
Intel Core i7 7740X
+4%
1553
Geekbench 6 Multi Core
Intel Core i5 6600K
4406
Intel Core i7 7740X
+25%
5516
Geekbench 5 Single Core
Intel Core i5 6600K
1125
Intel Core i7 7740X
+14%
1291
Geekbench 5 Multi Core
Intel Core i5 6600K
3775
Intel Core i7 7740X
+32%
5001
Passmark CPU Single Core
Intel Core i5 6600K
2327
Intel Core i7 7740X
+18%
2759
Passmark CPU Multi Core
Intel Core i5 6600K
6329
Intel Core i7 7740X
+55%
9824
General Parameters
Aug 2015
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Kaby Lake
i5-6600K
Processor Number
i7-7740X
LGA-1151
Socket
LGA-2066
HD Graphics 530
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
91 W
Power Consumption
112 W
-
Peak Operating Temperature
100 °C
CPU Performance
4
Performance Cores
4
4
Performance Core Threads
8
3.5 GHz
Performance Core Base Frequency
4.3 GHz
3.9 GHz
Performance Core Turbo Frequency
4.5 GHz
4
Total Core Count
4
4
Total Thread Count
8
100 MHz
Bus Frequency
-
35
Multiplier
43x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
6 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2133, DDR3L-1600
Memory Types
DDR4-2666
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
34.1 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
1150 MHz
GPU Max Dynamic Frequency
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
