Intel Core i5-8400 vs Intel Core i7-980X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-8400 or Intel Core i5-8400 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i5-8400 features 6 processor cores and has the capability to manage 6 threads concurrently.
It was released in Q4/2017 and belongs to the 8 generation of the Intel Core i5 series.
To use the Intel Core i5-8400, you'll need a motherboard with a LGA 1151-2 socket.
The Intel Core i7-980X features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2010 and belongs to the 1 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-980X, you'll need a motherboard with a LGA 1366 socket.
Desktop / Server Segment Desktop / Server
Intel Core i5-8400 Name Intel Core i7-980X
Intel Core i5 Family Intel Core i7 Extreme Edition
8 Generation 1
Intel Core i 8000 Group Intel Core i7 900
 
 

CPU Cores and Base Frequency

The Intel Core i5-8400 has 6 CPU cores and can calculate 6 threads in parallel.
The clock frequency of the Intel Core i5-8400 is 2.8 GHz
and turbo frequency for one core is 4.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-980X has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-980X is 3.33 GHz
and turbo frequency for one core is 3.6 GHz.
4.0 GHz Turbo Frequency (1 core) 3.6 GHz
No Overclocking Yes
normal Core architecture normal
2.8 GHz Frequency 3.33 GHz
6 Threads 12
3.8 GHz Turbo Frequency (all cores) None
No Hyperthreading Yes
6 CPU Cores 6
6x Cores 6x
 
 

Internal Graphics

The Intel Core i5-8400 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8400 uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-980X does not have integrated graphics.
0.35 GHz GPU frequency --
Q4/2017 Release date --
12 Direct X --
Intel UHD Graphics 630 GPU name
14 nm Technology --
-- Max. displays --
192 Shaders --
64.0 GB Max. GPU Memory 0 bytes
24 Execution units --
9.5 Generation --
1.15 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC --
Decode VC-1 --
Decode / Encode VP9 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
No AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 24.0 GB distributed across 3 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 3
128.0 GB Max. Memory 24.0 GB
pci PCIe pci
Yes AES-NI No
No ECC No
42.7 GB/s Bandwidth 25.6 GB/s
DDR4-2666 Memory type DDR3-1066
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 130 W watts.
-- Tjunction max --
65 W TDP (PL1 / PBP) 130 W
 
 

Technical details

The Intel Core i5-8400 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 9.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-980X is manufactured using a 32 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q4/2017 Release date Q1/2010
-- Part Number --
0 bytes L2-Cache 1.5 MB
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
Monolithic Chip design Monolithic
Coffee Lake S Architecture Gulftown
14 nm Technology 32 nm
LGA 1151-2 Socket LGA 1366
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
260 $ Release price 1059 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
9.0 MB L3-Cache 12.0 MB
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i5-8400
6C 6T @ 2.8 GHz
4814
4814
Intel Core i7-980X
6C 12T @ 3.33 GHz
2847
2847

Geekbench 5, 64bit (Multi-Core)

Intel Core i5-8400
6C 6T @ 2.8 GHz
4608
4608
Intel Core i7-980X
6C 12T @ 3.33 GHz
3391
3391

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i5-8400
6C 6T @ 2.8 GHz
2482
2482
Intel Core i7-980X
6C 12T @ 3.33 GHz
2354
2354

Geekbench 6 (Single-Core)

Intel Core i5-8400
6C 6T @ 2.8 GHz
1322
1322
Intel Core i7-980X
6C 12T @ 3.33 GHz
645
645

Geekbench 5, 64bit (Single-Core)

Intel Core i5-8400
6C 6T @ 2.8 GHz
1053
1053
Intel Core i7-980X
6C 12T @ 3.33 GHz
614
614