Intel Core i5 8400T vs Intel Core i5 6600K
We compared two desktop CPUs: Intel Core i5 8400T with 6 cores 1.7GHz and Intel Core i5 6600K with 4 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 8400T 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Larger L3 cache size (9MB vs 6MB)
Lower TDP (35W vs 91W)
Intel Core i5 6600K 's Advantages
Higher base frequency (3.5GHz vs 1.7GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 8400T
774
Intel Core i5 6600K
+34%
1040
Cinebench R23 Multi Core
Intel Core i5 8400T
3638
Intel Core i5 6600K
+8%
3963
Geekbench 6 Single Core
Intel Core i5 8400T
1120
Intel Core i5 6600K
+32%
1486
Geekbench 6 Multi Core
Intel Core i5 8400T
3670
Intel Core i5 6600K
+20%
4406
Blender
Intel Core i5 8400T
35
Intel Core i5 6600K
+80%
63
Geekbench 5 Single Core
Intel Core i5 8400T
886
Intel Core i5 6600K
+26%
1125
Geekbench 5 Multi Core
Intel Core i5 8400T
+5%
4000
Intel Core i5 6600K
3775
Passmark CPU Single Core
Intel Core i5 8400T
1917
Intel Core i5 6600K
+21%
2327
Passmark CPU Multi Core
Intel Core i5 8400T
+17%
7447
Intel Core i5 6600K
6329
General Parameters
Apr 2018
Release Date
Aug 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i5-8400T
Processor Number
i5-6600K
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
HD Graphics 530
-
-
-
Package
-
-
-
14 nm
Manufacturing Process
14 nm
-
-
-
35 W
Power Consumption
91 W
-
-
-
100 °C
Peak Operating Temperature
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
6
Performance Cores
4
6
Performance Core Threads
4
1.7 GHz
Performance Core Base Frequency
3.5 GHz
3.3 GHz
Performance Core Turbo Frequency
3.9 GHz
-
-
-
-
-
-
-
-
-
-
-
-
6
Total Core Count
4
6
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
35
-
-
-
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-2666
Memory Types
DDR4-2133, DDR3L-1600
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
-
1050 MHz
GPU Max Dynamic Frequency
1150 MHz
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
-
