Home Comparison Intel Core i7 6700 vs Intel Core i7 7740X

Intel Core i7 6700 vs Intel Core i7 7740X

We compared two desktop CPUs: Intel Core i7 6700 with 4 cores 3.4GHz 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 i7 6700 's Advantages
Integrated graphics card
Lower TDP (65W vs 112W)
Intel Core i7 7740X 's Advantages
Released 1 years and 8 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Larger memory bandwidth (42.7GB/s vs 34.1GB/s)
Higher base frequency (4.3GHz vs 3.4GHz)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i7 6700
1250
Intel Core i7 7740X +24%
1553
Geekbench 6 Multi Core
Intel Core i7 6700
3667
Intel Core i7 7740X +50%
5516
Geekbench 5 Single Core
Intel Core i7 6700
1002
Intel Core i7 7740X +28%
1291
Geekbench 5 Multi Core
Intel Core i7 6700
3915
Intel Core i7 7740X +27%
5001
Passmark CPU Single Core
Intel Core i7 6700
2299
Intel Core i7 7740X +20%
2759
Passmark CPU Multi Core
Intel Core i7 6700
8046
Intel Core i7 7740X +22%
9824
VS

General Parameters

Sep 2015
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Kaby Lake
i7-6700
Processor Number
i7-7740X
LGA-1151
Socket
LGA-2066
HD Graphics 530
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
LGA-1151
Socket
LGA-2066
65 W
Power Consumption
112 W
-
Peak Operating Temperature
100 °C

CPU Performance

4
Performance Cores
4
8
Performance Core Threads
8
3.4 GHz
Performance Core Base Frequency
4.3 GHz
4 GHz
Performance Core Turbo Frequency
4.5 GHz
4
Total Core Count
4
8
Total Thread Count
8
100 MHz
Bus Frequency
-
34x
Multiplier
43x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
8 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

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