Home Comparison Intel Core i5 6400 vs Intel Core i7 8700T

Intel Core i5 6400 vs Intel Core i7 8700T

Intel Core i5 6400
VS
Intel Core i7 8700T
Intel Core i5 6400
Intel Core i7 8700T
We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core i7 8700T with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages
Higher base frequency (2.7GHz vs 2.4GHz)
Intel Core i7 8700T 's Advantages
Released 2 years and 7 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Larger L3 cache size (12MB vs 6MB)
Lower TDP (35W vs 65W)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i5 6400
1143
Intel Core i7 8700T +11%
1272
Geekbench 6 Multi Core
Intel Core i5 6400 +10%
3312
Intel Core i7 8700T
3005
Geekbench 5 Single Core
Intel Core i5 6400
853
Intel Core i7 8700T +24%
1065
Geekbench 5 Multi Core
Intel Core i5 6400
2805
Intel Core i7 8700T +81%
5088
Passmark CPU Single Core
Intel Core i5 6400
1961
Intel Core i7 8700T +18%
2328
Passmark CPU Multi Core
Intel Core i5 6400
5151
Intel Core i7 8700T +99%
10297
Intel Core i5 6400
VS
Intel Core i7 8700T

General Parameters

Sep 2015
Release Date
Apr 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i5-6400
Processor Number
i7-8700T
LGA-1151
Socket
LGA-1151
HD Graphics 530
Integrated Graphics
UHD Graphics 630

Package

14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
35 W
-
Peak Operating Temperature
100 °C

CPU Performance

4
Performance Cores
6
4
Performance Core Threads
12
2.7 GHz
Performance Core Base Frequency
2.4 GHz
3.3 GHz
Performance Core Turbo Frequency
4 GHz
4
Total Core Count
6
4
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
27x
Multiplier
24x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
6 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2133, DDR3L-1600
Memory Types
DDR4-2666
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
34.1 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
950 MHz
GPU Max Dynamic Frequency
1200 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i5 6400
Official Website
Intel Core i7 8700T
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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