Intel Core i3-8121U
Intel Core i5-6400
Comparision Intel Core i3-8121U vs Intel Core i5-6400
Grade
Intel Core i3-8121U
Intel Core i5-6400
Test results
0
1
Technology
0
9
Performance
4
4
Memory specification
3
5
Interfaces and communications
6
7
Main characteristics
5
6
Top specs and features
Passmark test
Intel Core i3-8121U: 4601
Intel Core i5-6400: 5589
Power Consumption (TDP)
Intel Core i3-8121U: 15 W
Intel Core i5-6400: 65 W
Technological process
Intel Core i3-8121U: 10 nm
Intel Core i5-6400: 14 nm
L1 cache size
Intel Core i3-8121U: 128 KB
Intel Core i5-6400: 128 KB
L2 cache size
Intel Core i3-8121U: 0.512 MB
Intel Core i5-6400: 1 MB
Description
The Intel Core i3-8121U processor runs at 2.2 Hz, the other Intel Core i5-6400 runs at 2.7 Hz. Intel Core i3-8121U is able to accelerate to 3.2 Hz , and the second to 3.3 Hz. The maximum power consumption for the first processor is 15 W, and for Intel Core i5-6400 65 W.
In terms of architecture, Intel Core i3-8121U is built using 10 nm technology. Intel Core i5-6400 on the 14 nm architecture.
Relative to processor memory. Intel Core i3-8121U can support DDR4. The maximum supported size is 32 MB. It should be noted that the maximum memory bandwidth is 41.6. The second processor Intel Core i5-6400 is capable of supporting DDR4. The throughput is 34.1. And the maximum amount of supported RAM is 64 MB.
Graphics. Intel Core i3-8121U has a graphics engine Iris Pro Plus. The frequency of which is - There is no data MHz. Intel Core i5-6400 received video core Intel HD Graphics 530. Here the frequency is 350 MHz.
How processors perform in benchmarks. In the PassMark benchmark, Intel Core i3-8121U scored 4601. And Intel Core i5-6400 scored 5589 points.
Why Intel Core i5-6400 is better than Intel Core i3-8121U
- Power Consumption (TDP) 15 W против 65 W, less by -77%
- Technological process 10 nm против 14 nm, less by -29%
- Memory bandwidth 41.6 GB/s против 34.1 GB/s, more on 22%
- Memory frequency 2400 MHz против 2133 MHz, more on 13%
Intel Core i3-8121U vs Intel Core i5-6400: highlights
Intel Core i3-8121U
Intel Core i5-6400
Test results
Passmark test
The PassMark test considers read speed, write speed, and seek time when testing SSD performance.
4601
Average: 6033.5
5589
Average: 6033.5
Geekbench 5 score (multi-core)
Benchmark in Geekbench 5 that measures the multi-threaded performance of a processor.
1924
Average: 5219.2
2550
Average: 5219.2
Geekbench score 5
829
Average: 936.8
796
Average: 936.8
3DMark06 CPU benchmark score
4374
Average: 3892.6
Average: 3892.6
Cinebench 15 64-bit multi-core test score
322
Average: 638.4
490
Average: 638.4
Cinebench 15 64-bit single-core test score
135
Average: 128.5
129
Average: 128.5
Technology
Supports hardware virtualization technology
Hardware virtualization makes it much easier to get high quality images.
Available
Available
Performance
Number of threads
The more threads, the higher the performance of the processor will be, and it will be able to perform several tasks at the same time.
4
Average: 10.7
4
Average: 10.7
L1 cache size
large amount of L1 memory accelerates results in the CPU and system performance settings
128 KB
Average: 299.3 KB
128 KB
Average: 299.3 KB
L2 cache size
An L2 cache with a large amount of scratchpad memory allows you to increase the speed of the processor and the overall performance of the system.
0.512 MB
Average: 4.5 MB
1 MB
Average: 4.5 MB
L3 cache size
A large amount of L3 memory accelerates results in the CPU and system performance settings
4 MB
Average: 16.3 MB
6 MB
Average: 16.3 MB
Maximum processor frequency
When the processor's speed drops below its limit, it can jump to a higher clock speed to improve performance.
3.2 GHz
Average: 3.2 GHz
3.3 GHz
Average: 3.2 GHz
Number of Cores
The number of cores in processors indicates the number of independent computing units that can execute tasks in parallel. More cores allow the processor to handle more tasks at once, which improves overall performance and the ability to handle multi-threaded applications.
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2
Average: 5.8
4
Average: 5.8
CPU base clock speed
2.2 GHz
Average: 2.5 GHz
2.7 GHz
Average: 2.5 GHz
Multiplier unlocked
Some processors have an unlocked multiplier, thanks to which they work faster and improve the quality in games and other applications.
Not available
Not available
The turbo boost version is newer
Turbo Boost is a technology that allows the processor to operate at a frequency higher than the maximum. This increases its productivity (including when performing complex tasks)
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2
Average: 1.9
2
Average: 1.9
Crystal size
Smaller die size in processors provides higher performance and power efficiency.
123 мм2
Average: 160 мм2
177 мм2
Average: 160 мм2
Video core
Iris Pro Plus
Intel HD Graphics 530
Number of PCI-Express Lines
16
16
Max. the number of processors in the configuration
1
Average: 1.3
1
Average: 1.3
RAM types
Various versions of DDR, such as DDR2, DDR3, DDR4, and DDR5, offer improved features and performance over previous versions, allowing you to work more efficiently with data and improve overall system performance.
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4
Average: 3.5
4
Average: 3.5
Memory specification
Memory bandwidth
This is the rate at which the device stores or reads information.
41.6 GB/s
Average: 41.4 GB/s
34.1 GB/s
Average: 41.4 GB/s
Memory frequency
RAM may be faster to increase system performance.
2400 MHz
Average: 2106.2 MHz
2133 MHz
Average: 2106.2 MHz
Max. number of memory channels
The more their number, the higher the data transfer rate from memory to processor
2
Average: 2.9
2
Average: 2.9
Max. Memory
The largest amount of RAM memory.
32 GB
Average: 404.4 GB
64 GB
Average: 404.4 GB
System bus frequency
Data between computer components and other devices is transferred via a bus.
4 GT/s
Average: 156.1 GT/s
8 GT/s
Average: 156.1 GT/s
Interfaces and communications
vPro
set of technologies to improve the security and manageability of business computers.
Not available
Not available
Enhanced SpeedStep (EIST)
technology in Intel processors that dynamically adjusts clock speed and voltage to optimize power consumption and performance.
Available
Available
Intel® AES-NI Commands
AES is needed to speed up encryption and decryption.
Available
Available
Has f16c
The F16C lets you speed up tasks like adjusting the volume or adjusting the contrast.
Available
Available
Has avx
AVX allows you to increase the speed of calculations in multimedia, financial and scientific applications, and it also improves the performance of Linux RAID.
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Available
Available
Has mmx
MMX is needed to speed up tasks such as adjusting the volume and adjusting the contrast.
Available
Available
Has fma3
FMA3 is needed to speed up tasks such as adjusting photo contrast or adjusting sound.
Available
Available
Socket
Connector on the motherboard for installing the processor.
Intel BGA1440
FCLGA1151
My WiFi
A technology in Intel processors that allows users to turn their PC into a Wi-Fi hotspot to connect other devices to the Internet
Available
There is no data
Speed Shift
technology that allows the processor to dynamically adjust its clock speed to optimize performance and power consumption.
Available
There is no data
Thermal Monitoring
A feature that allows you to monitor and control the temperature of the processor.
Available
Available
Flex Memory Access
technology used in some Intel processors that allows for flexible control of memory behavior. It allows you to switch between Single-Channel and Dual-Channel operating modes, depending on the configuration of the memory modules. This allows you to optimize the use of available memory and maximize system performance according to the requirements of applications and tasks.
Show more
Available
There is no data
Smart Response
A technology that combines a fast solid state drive (SSD) with a traditional hard disk drive (HDD) to improve storage performance.
Available
There is no data
Demand Based Switching
A technology in processors that dynamically adjusts frequency and voltage to optimize power consumption and performance.
Not available
There is no data
TXT
A technology for creating a secure and isolated runtime environment that protects your system and data from malware and attacks.
Not available
Not available
EDB
technology used in processors to improve system security. It prevents malicious code from executing by blocking its execution in memory and protecting the computer from attacks such as buffer overflow attacks. EDB helps prevent the introduction and spread of malicious software, providing better data and system protection.
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Available
Available
Secure Key
technology that generates high-quality random numbers for encryption and other cryptographic operations. It enhances system security by providing strong data encryption and protection against hacking or unauthorized access.
Show more
Available
Available
MPX
A technology in Intel processors that protects memory from buffer overflows and vulnerabilities.
Available
Available
EPT
Memory virtualization technology used in Intel processors. It provides the ability to efficiently manage and access virtual memory. EPT allows virtual machines to access physical memory directly, minimizing the latency and overhead of translating virtual addresses into physical ones. In this way, EPT improves the performance and efficiency of virtualization, simplifies memory management, and provides better isolation between virtual machines.
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Available
Available
uses multithreading
The ability to handle multiple tasks at the same time to improve productivity.
Available
Not available
Main characteristics
Technological process
The small size of semiconductors means that this is a new generation chip.
10 nm
Average: 36.8 nm
14 nm
Average: 36.8 nm
Power Consumption (TDP)
The heat dissipation requirement (TDP) is the maximum amount of energy that can be dissipated by the cooling system. The lower the TDP, the less power will be consumed.
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15 W
Average: 67.6 W
65 W
Average: 67.6 W
PCI Express Edition
High-speed bus for connecting peripherals to a computer. Different versions determine the data transfer rate, and the number (x1, x4, x8, x16) indicates the number of logical lines for data transfer and determines the throughput and capabilities of the devices.
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3
Average: 2.9
3
Average: 2.9
Crystal size
Smaller die size in processors provides higher performance and power efficiency.
123 мм2
Average: 160 мм2
177 мм2
Average: 160 мм2
Supports 64-bit system
64-bit system, unlike a 32-bit one, can support more than 4 GB of RAM. This increases productivity. It also allows you to run 64-bit applications.
Available
Available
Maximum temperature for processors
If the maximum temperature at which the processor operates is exceeded, a reset may occur.
105 °C
Average: 96 °C
71 °C
Average: 96 °C
Architecture codename
Cannon Lake
Skylake
Maximum Case Temperature (TCase)
Maximum allowable processor case temperature
72 °C
Average: 75.1 °C
71 °C
Average: 75.1 °C
Appointment
Laptop
Desktop
Series
Intel Core i3
Intel Core i5
FAQ
Can Intel Core i3-8121U and Intel Core i5-6400 work in 4K mode?
Intel Core i3-8121U - There is no data. Intel Core i5-6400 - has.
How many PCIe lanes
Intel Core i3-8121U - There is no data. Intel Core i5-6400 - 16.
How much RAM does it support?
Intel Core i3-8121U supports 32 GB. Intel Core i5-6400 supports 64GB.
How fast are the processors?
Intel Core i3-8121U operates on 2.2 GHz.7 GHz.
How many cores does the processor have?
Intel Core i3-8121U has 2 cores. Intel Core i5-6400 has 4 cores.
Do processors support ECC memory?
Intel Core i3-8121U - There is no data. Intel Core i5-6400 - doesn't have.
Does Intel Core i3-8121U have embedded graphics?
Intel Core i3-8121U - Iris Pro Plus. Intel Core i5-6400 - Intel HD Graphics 530
What kind of RAM is supported
Intel Core i3-8121U supports DDR4. Intel Core i5-6400 supports DDR4.
What is the socket of the processors?
Using Intel BGA1440 to set Intel Core i3-8121U. FCLGA1151 is used to set Intel Core i5-6400.
What architecture do they use?
Intel Core i3-8121U is built on the Cannon Lake architecture. Intel Core i5-6400 is built on the Skylake architecture.
Is the Intel Core i3-8121U CPU multiplier unlocked?
Intel Core i3-8121U - doesn't have. Intel Core i5-6400 - doesn't have.
How do processors perform in benchmarks?
According to PassMark, Intel Core i3-8121U scored 4601 points. Intel Core i5-6400 scored 5589 points.
What is the maximum frequency of processors?
Intel Core i3-8121U has a maximum frequency of 3.2 Hz. The maximum frequency of Intel Core i5-6400 reaches 3.3 Hz.
How much energy do they consume?
The power consumption of Intel Core i3-8121U can be up to 15 Watts. Intel Core i5-6400 has up to 15 Watts.
