Intel Core i7 9700KF vs Intel Core i7 7740X
We compared two desktop CPUs: Intel Core i7 9700KF with 8 cores 3.6GHz 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 9700KF Advantages
Released 1 years and 8 months late
Larger L3 cache size (12MB vs 8MB)
Lower TDP (95W vs 112W)
Intel Core i7 7740X Advantages
Larger memory bandwidth (42.7GB/s vs 41.6GB/s)
Higher base frequency (4.3GHz vs 3.6GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 9700KF
+9%
1704
Intel Core i7 7740X
1553
Geekbench 6 Multi Core
Intel Core i7 9700KF
+40%
7751
Intel Core i7 7740X
5516
Geekbench 5 Single Core
Intel Core i7 9700KF
1272
Intel Core i7 7740X
+1%
1291
Geekbench 5 Multi Core
Intel Core i7 9700KF
+49%
7462
Intel Core i7 7740X
5001
Passmark CPU Single Core
Intel Core i7 9700KF
+4%
2877
Intel Core i7 7740X
2759
Passmark CPU Multi Core
Intel Core i7 9700KF
+46%
14360
Intel Core i7 7740X
9824
General Parameters
Jan 2019
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Kaby Lake
i7-9700KF
Processor Number
i7-7740X
LGA-1151
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
95 W
Power Consumption
112 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
4
8
Performance Core Threads
8
3.6 GHz
Performance Core Base Frequency
4.3 GHz
4.9 GHz
Performance Core Turbo Frequency
4.5 GHz
8
Total Core Count
4
8
Total Thread Count
8
100 MHz
Bus Frequency
-
36x
Multiplier
43x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
12 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
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
