Intel Core i5-6400T Intel Core i5-660
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Intel Core i5-6400T vs Intel Core i5-660

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Intel Core i5-6400T
Rank 2 - 84 %
Intel Core i5-660
Multi-core performance
Rank 1 - 100 %
Intel Core i5-6400T
Rank 2 - 56 %
Intel Core i5-660
Geekbench 5, 64bit Single-Core

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

Intel Core i5-6400T
4C / 4T · 2.80 GHz
711
Intel Core i5-660
2C / 4T · 3.60 GHz
597
Geekbench 5, 64bit Multi-Core

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

Intel Core i5-6400T
4C / 4T · 2.50 GHz
2,257
Intel Core i5-660
2C / 4T · 3.33 GHz
1,308
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i5-6400T
Intel HD Graphics 530
365
Intel Core i5-660
Intel HD Graphics (Westmere)
35

More benchmarks

At a glance

Wischen
Intel Core i5-6400TIntel Core i5-660
FamilyIntel Core i5 (336)Intel Core i5 (336)
CPU groupIntel Core i 6000 (24)Intel Core i5 600 (6)
ArchitectureSkylake SClarkdale
Technology14 nm32 nm
SegmentDesktopDesktop
SocketLGA 1151LGA 1156
Predecessor
SuccessorIntel Core i5-7400T

CPU Cores and Base Frequency

Wischen
Intel Core i5-6400TIntel Core i5-660
CPU Cores / Threads4 / 42 / 4
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 2x
Frequency: 2.20 GHz 3.33 GHz
Turbo (1 Core): 2.80 GHz 3.60 GHz
Turbo (All Cores): 2.50 GHz
L2-Cache0.50 MB
L3-Cache6.00 MB4.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-6400TIntel Core i5-660
GPU nameIntel HD Graphics 530Intel HD Graphics (Westmere)
GPU frequency0.35 - 0.95 GHz0.50 - 0.73 GHz
CUs / Shader24 / 19212 / 24
Raytracing
Max. displays32
Max. GPU Memory32 GB2 GB
Technology14 nm32 nm
Release dateQ3/2015Q1/2010

NPU AI performance

Wischen
Intel Core i5-6400TIntel Core i5-660
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-6400TIntel Core i5-660
MemoryDDR4-2133 (34.1 GB/s)
DDR3-1600 (25.6 GB/s)
DDR3-1333 (21.3 GB/s)
DDR3-1066 (17.1 GB/s)
Max. Memory64 GB16 GB
Memory channels22
ECCNoNo
PCIe3.0 x 162.0 x 16
PCIe Bandwidth15.8 GB/s8.0 GB/s

Thermal Management

Wischen
Intel Core i5-6400TIntel Core i5-660
TDP35 W73 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen
Intel Core i5-6400TIntel Core i5-660
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 price193 $
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-6400T is 3.0 stars (5 ratings), while Intel Core i5-660 has received 5.0 stars (1 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-6400T
Intel Core i5-6400T
4C / 4T · 2.20 - 2.80 GHz
Intel Core i5-660
Intel Core i5-660
2C / 4T · 3.33 - 3.60 GHz

Most popular CPUs in both categories

Intel Core i5-6400T
Intel Core i5-6400T
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