Intel Core i5 7400 vs Intel Core i7 7800X
We compared two desktop CPUs: Intel Core i5 7400 with 4 cores 3.0GHz and Intel Core i7 7800X with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 7400 's Advantages
Integrated graphics card
Lower TDP (65W vs 140W)
Intel Core i7 7800X 's Advantages
Higher specification of memory (2400 vs 2400)
Larger memory bandwidth (79.47GB/s vs 35.76GB/s)
Higher base frequency (3.5GHz vs 3.0GHz)
Larger L3 cache size (8MB vs 6MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 7400
920
Intel Core i7 7800X
+4%
963
Cinebench R23 Multi Core
Intel Core i5 7400
3369
Intel Core i7 7800X
+115%
7269
Geekbench 6 Single Core
Intel Core i5 7400
1215
Intel Core i7 7800X
+12%
1362
Geekbench 6 Multi Core
Intel Core i5 7400
3517
Intel Core i7 7800X
+72%
6082
Geekbench 5 Single Core
Intel Core i5 7400
877
Intel Core i7 7800X
+21%
1069
Geekbench 5 Multi Core
Intel Core i5 7400
3079
Intel Core i7 7800X
+113%
6578
Passmark CPU Single Core
Intel Core i5 7400
2090
Intel Core i7 7800X
+15%
2409
Passmark CPU Multi Core
Intel Core i5 7400
5491
Intel Core i7 7800X
+134%
12894
General Parameters
Jan 2017
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Kaby Lake
Core Architecture
Skylake
i5-7400
Processor Number
i7-7800X
LGA-1151
Socket
LGA-2066
HD Graphics 630
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
4
Performance Cores
6
4
Performance Core Threads
12
3.0 GHz
Performance Core Base Frequency
3.5 GHz
3.5 GHz
Performance Core Turbo Frequency
4 GHz
4
Total Core Count
6
4
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
30x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
6 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2400, DDR3L-1600
Memory Types
DDR4-2400
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
35.76 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1000 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
-
0.44 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
