Product Comparison: Intel Core i5-6400 vs Intel Core i5-6400T
General Specifications
                Brand
                                
                                            Intel                                        
                                        
                                            Intel                                        
                                    Model
                                
                                            Core i5-6400                                        
                                        
                                            Core i5-6400T                                        
                                    Origin
                                
                                            China                                        
                                        
                                            China                                        
                                    About the Product
                                
                                            New 9th Gen Intel Core i5-9400F processor, codenamed Coffee Lake microarchitecture. Designed for Intel LGA 1151 desktop platform. Belongs to the family of high-performance Core i5 processors.                                        
                                        
                                            The Intel Core i5-6400T is a frugal quad-core desktop processor based on the Skylake architecture. The CPU, which is manufactured in a 14 nm process. Graphics are handled by the integrated Intel HD Graphics 530 with 24 EUs (Execution Units), which is clocked at 350 - 950 MHz.                                        
                                    Package Size
                Height
                                
                                            4.5 in.                                        
                                        
                                            4.5 in.                                        
                                    Width
                                
                                            3.4 in.                                        
                                        
                                            4 in.                                        
                                    Depth
                                
                                            2.4 in.                                        
                                        
                                            3 in.                                        
                                    Weight
                                
                                            1.1 lbs.                                        
                                        
                                            1.1 lbs.                                        
                                    Details
                Socket
                                
                                            FCLGA1151                                        
                                        
                                            FCLGA1151                                        
                                    Lithography
                                
                                            14 nm                                        
                                        
                                            14 nm                                        
                                    Type of Processors
                                
                                            Desktop                                        
                                        
                                            Desktop                                        
                                    Code Name
                                
                                            Skylake                                        
                                        
                                            Skylake                                        
                                    
                            What customers say about "Details"
                        
                               Intel Core i5-6400 CPU Processor
                                       - Everything run pretty quickly and seems to stay relatively cool.
 - Easy to install, works great after a month.
 - Runs cool and very fast, very well made cpu.
 - The included heat sink is a quality piece as well.
 - The installation was kind of tricky.
 
Intel Core i5-6400T CPU Processor
                                       - Easy installation. I recommend this chip!
 - Was easy install! No problems with this.
 - Pretty easy to install. I like it!
 - After a clean install, the machine works fine.
 - Easy to install. Good size, worth the money.
 
Technical Specifications
                CPU Cores
                                
                                            4                                        
                                        
                                            4                                        
                                    CPU Threads
                                
                                            4                                        
                                        
                                            4                                        
                                    Clock Speed
                                
                                            2.7 GHz                                        
                                        
                                            2.2 GHz                                        
                                    Turbo Clock Speed
                                
                                            3.3 GHz                                        
                                        
                                            2.8 GHz                                        
                                    Max TDP
                                
                                            65 W                                        
                                        
                                            35 W                                        
                                    Max Temperature
                                
                                            71 °C                                        
                                        
                                            66 °C                                        
                                    Data Width
                                
                                            64 bits                                        
                                        
                                            64 bits                                        
                                    Virtualization Technology
                                
                                            Yes                                        
                                        
                                            Yes                                        
                                    
                            What customers say about "Technical Specifications"
                        
                               Intel Core i5-6400 CPU Processor
                                       - After owning it for a year. Want to say CPU is good.
 - Great CPU for a budget gaming PC.
 - Good, fast CPU for a computer.
 - This processor for basic computer needs.
 
Intel Core i5-6400T CPU Processor
                                       - Super fast running my Mac OS. Good item.
 - I really like how fast it is. Perfect item for my needs.
 - It is really fast. Really. Perfect.
 - This is a very fast processor for the money. Good chip for all tasks.
 - It will never be a good CPU for me. Very slow!
 
Cache And Memory Specifications
                L1 Cache Size
                                
                                            128 kB                                        
                                        
                                            256 kB                                        
                                    L2 Cache Size
                                
                                            1000 kB                                        
                                        
                                            1000 kB                                        
                                    L3 Cache Size
                                
                                            6000 kB                                        
                                        
                                            6000 kB                                        
                                    Max Memory Size
                                
                                            64 GB                                        
                                        
                                            64 GB                                        
                                    Memory Types
                                
                                            DDR4                                        
                                        
                                            DDR4                                        
                                    Max Memory Channels
                                
                                            2                                        
                                        
                                            2                                        
                                    Max Memory Bandwidth
                                
                                            34.1 GB/s                                        
                                        
                                            34.1 GB/s                                        
                                    
                            What customers say about "Cache And Memory Specifications"
                        
                               Intel Core i5-6400 CPU Processor
                                       - Works with DDR4 that's nice!
 - Intel smart cache is good as usual.
 - Good memory speed, PC works fast.
 - Playing games, with 6MB cache no lagging.
 - Good intel CPU, fast and strong. Cache and memory at a high level.
 
Intel Core i5-6400T CPU Processor
                                       - Perfect works with Kingston HyperX DDR4 memory!
 - Speedy for the price. Good memory support on this.
 - What you just need. Great with DDR4 memory type!
 - Awesome CPU for the price. Supported a lot DDR4 memory types!
 - The value of this CPU is great! Nice memory support on this. Good cache.
 
Graphics Specifications
                DirectX* Support
                                
                                            12                                        
                                        
                                            12                                        
                                    Graphics Output
                                
                                            eDP/DP/HDMI/DVI                                        
                                        
                                            eDP/DP/HDMI/DVI                                        
                                    Graphics Video Max Memory
                                
                                            64 GB                                        
                                        
                                            64 GB                                        
                                    Graphics Max Dynamic Frequency
                                
                                            950 MHz                                        
                                        
                                            950 MHz                                        
                                    Graphics Base Frequency
                                
                                            350 MHz                                        
                                        
                                            350 MHz                                        
                                    Processor Graphics
                                
                                            Intel HD Graphics 530                                        
                                        
                                            Intel HD Graphics 530                                        
                                    Supported Technologies
                Execute Disable Bit / Virus Protection
                                
                                            Yes                                        
                                        
                                            Yes                                        
                                    Turbo Boost / Turbo Core
                                
                                            Yes                                        
                                        
                                            Yes                                        
                                    Enhanced SpeedStep / PowerNow!
                                
                                            Yes                                        
                                        
                                            Yes                                        
                                    Hyper-Threading / HyperTransport
                                
                                            No                                        
                                        
                                            No                                        
                                    Warranty / Certifications
                Manufacturer Warranty
                                
                                            3 year(s)                                        
                                        
                                            3 year(s)                                        
                                    Certifications
                                
                                            CE, FCC                                        
                                        
                                            CE, FCC                                        
                                    Other Information
                Manual
                                
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