Intel Core i5 8400T vs Intel Core i7 7800X
CPU · Specs Compare
General Parameters
Release Date
Apr 2018
May 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Skylake
Processor Number
i5-8400T
i7-7800X
Integrated Graphics
UHD Graphics 630
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-1151
LGA-2066
Power Consumption
35 W
140 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
6
6
Performance Core Threads
6
12
Performance Core Base Frequency
1.7 GHz
3.5 GHz
Performance Core Turbo Frequency
3.3 GHz
4 GHz
Total Core Count
6
6
Total Thread Count
6
12
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
35x
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
1 MB per core
L3 Cache
9 MB shared
8 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR4-2400
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
41.6 GB/s
79.47 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
350 MHz
—
GPU Max Dynamic Frequency
1050 MHz
—
Shader Units
192
—
Texture Units
24
—
Raster Operation Units
3
—
Execution Units
24
—
Power Consumption
15 W
—
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
16
28
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
774
963
Cinebench R23
3,638
7,269
Geekbench 6
1,120
1,362
Geekbench 6
3,670
6,082
Passmark CPU
1,917
2,409
Passmark CPU
7,447
12,894
▲ Specs Compare
Data sourced from official specifications and benchmark tests.