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Comparison
Intel Core i7 8700T vs Intel Core i5 8400
Intel Core i7 8700T vs Intel Core i5 8400
VS
Intel Core i7 8700T
Intel Core i5 8400
We compared two desktop CPUs: Intel Core i7 8700T with 6 cores 2.4GHz and Intel Core i5 8400 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 8700T 's Advantages
Released 6 months late
Larger L3 cache size (12MB vs 9MB)
Lower TDP (35W vs 65W)
Intel Core i5 8400 's Advantages
Higher base frequency (2.8GHz vs 2.4GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 8700T
1272
Intel Core i5 8400
+2%
1298
Geekbench 6 Multi Core
Intel Core i7 8700T
3005
Intel Core i5 8400
+55%
4677
Geekbench 5 Single Core
Intel Core i7 8700T
+3%
1065
Intel Core i5 8400
1032
Geekbench 5 Multi Core
Intel Core i7 8700T
+10%
5088
Intel Core i5 8400
4611
Passmark CPU Single Core
Intel Core i7 8700T
2328
Intel Core i5 8400
+2%
2387
Passmark CPU Multi Core
Intel Core i7 8700T
+11%
10297
Intel Core i5 8400
9214
Intel Core i7 8700T
VS
Intel Core i5 8400
General Parameters
Apr 2018
Release Date
Oct 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Coffee Lake
i7-8700T
Processor Number
i5-8400
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
UHD Graphics 630
Package
14 nm
Manufacturing Process
14 nm
LGA-1151
Socket
LGA-1151
35 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
6
12
Performance Core Threads
6
2.4 GHz
Performance Core Base Frequency
2.8 GHz
4 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
6
12
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
24x
Multiplier
28x
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
9 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
350 MHz
1200 MHz
GPU Max Dynamic Frequency
1050 MHz
192
Shader Units
192
24
Texture Units
24
3
Raster Operation Units
3
24
Execution Units
24
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.38 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
Intel Core i7 8700T
Official Website
Intel Core i5 8400
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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