Intel Core i5-6400 Intel Core i7-980X
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Intel Core i5-6400 vs Intel Core i7-980X

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Intel Core i5-6400
Rank 2 - 65 %
Intel Core i7-980X
Multi-core performance
Rank 2 - 80 %
Intel Core i5-6400
Rank 1 - 100 %
Intel Core i7-980X
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i5-6400
4C / 4T · 3.30 GHz
1,134
Intel Core i7-980X
6C / 12T · 3.60 GHz
645
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i5-6400
4C / 4T · 3.00 GHz
3,086
Intel Core i7-980X
6C / 12T · 3.33 GHz
2,847
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i5-6400
4C / 4T · 3.30 GHz
841
Intel Core i7-980X
6C / 12T · 3.60 GHz
614
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i5-6400
4C / 4T · 3.00 GHz
2,706
Intel Core i7-980X
6C / 12T · 3.33 GHz
3,391
CPU-Z Benchmark 17 Multi-Core

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

Intel Core i5-6400
4C / 4T · 2.70 GHz
1,360
Intel Core i7-980X
6C / 12T · 3.33 GHz
2,354

More benchmarks

At a glance

Wischen
Intel Core i5-6400Intel Core i7-980X
FamilyIntel Core i5 (336)Intel Core i7 Extreme Edition (24)
CPU groupIntel Core i 6000 (24)Intel Core i7 900 (4)
ArchitectureSkylake SGulftown
Technology14 nm32 nm
SegmentDesktopDesktop
SocketLGA 1151LGA 1366
Predecessor
SuccessorIntel Core i5-7400

CPU Cores and Base Frequency

Wischen
Intel Core i5-6400Intel Core i7-980X
CPU Cores / Threads4 / 46 / 12
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 6x
Frequency: 2.70 GHz 3.33 GHz
Turbo (1 Core): 3.30 GHz 3.60 GHz
Turbo (All Cores): 3.00 GHz
L2-Cache1.50 MB
L3-Cache6.00 MB12.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-6400Intel Core i7-980X
GPU nameIntel HD Graphics 530no iGPU
GPU frequency0.35 - 0.95 GHz
CUs / Shader24 / 192 /
Raytracing
Max. displays3
Max. GPU Memory32 GB
Technology14 nm
Release dateQ3/2015

NPU AI performance

Wischen
Intel Core i5-6400Intel Core i7-980X
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-6400Intel Core i7-980X
MemoryDDR4-2133 (34.1 GB/s)
DDR3-1600 (25.6 GB/s)
DDR3-1066 (25.6 GB/s)
Max. Memory64 GB24 GB
Memory channels23
ECCNoNo
PCIe3.0 x 16
PCIe Bandwidth15.8 GB/s

Thermal Management

Wischen
Intel Core i5-6400Intel Core i7-980X
TDP65 W130 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen
Intel Core i5-6400Intel Core i7-980X
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2SSE4.1, SSE4.2
Release dateQ3/2015Q1/2010
Release price1059 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-6400 is 3.9 stars (32 ratings), while Intel Core i7-980X has received 4.3 stars (12 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-6400
Intel Core i5-6400
4C / 4T · 2.70 - 3.30 GHz
Intel Core i7-980X
Intel Core i7-980X
6C / 12T · 3.33 - 3.60 GHz

Most popular CPUs in both categories

Intel Core i5-6400
Intel Core i5-6400
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