Intel Core i7 8700K vs Intel Core i7 7740X
We compared two desktop CPUs: Intel Core i7 8700K with 6 cores 3.7GHz 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 8700K 's Advantages
Integrated graphics card
Larger L3 cache size (12MB vs 8MB)
Lower TDP (95W vs 112W)
Intel Core i7 7740X 's Advantages
Larger memory bandwidth (42.7GB/s vs 41.6GB/s)
Higher base frequency (4.3GHz vs 3.7GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 8700K
1475
Intel Core i7 7740X
+5%
1553
Geekbench 6 Multi Core
Intel Core i7 8700K
+14%
6339
Intel Core i7 7740X
5516
Geekbench 5 Single Core
Intel Core i7 8700K
1233
Intel Core i7 7740X
+4%
1291
Geekbench 5 Multi Core
Intel Core i7 8700K
+32%
6632
Intel Core i7 7740X
5001
Passmark CPU Single Core
Intel Core i7 8700K
2748
Intel Core i7 7740X
2759
Passmark CPU Multi Core
Intel Core i7 8700K
+39%
13661
Intel Core i7 7740X
9824
General Parameters
Oct 2017
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Kaby Lake
i7-8700K
Processor Number
i7-7740X
LGA-1151
Socket
LGA-2066
UHD Graphics 630
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
6
Performance Cores
4
12
Performance Core Threads
8
3.7 GHz
Performance Core Base Frequency
4.3 GHz
4.7 GHz
Performance Core Turbo Frequency
4.5 GHz
-
-
-
-
-
-
-
-
-
-
-
-
6
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
-
37x
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
Graphics Card Parameters
true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1200 MHz
GPU Max Dynamic Frequency
-
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-
AI Accelerator
-
-
-
-
-
-
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
-
