Comparision Intel Core i7-1255U vs Intel Core 2 Duo E4400
Grade
Top specs and features
Passmark test
Power Consumption (TDP)
Technological process
L1 cache size
L2 cache size
Description
The Intel Core i7-1255U processor runs at There is no data Hz, the other Intel Core 2 Duo E4400 runs at 2 Hz. Intel Core i7-1255U is able to accelerate to 4.7 Hz , and the second to 2 Hz. The maximum power consumption for the first processor is 15 W, and for Intel Core 2 Duo E4400 65 W.
In terms of architecture, Intel Core i7-1255U is built using 7 nm technology. Intel Core 2 Duo E4400 on the 65 nm architecture.
Relative to processor memory. Intel Core i7-1255U can support DDR5. The maximum supported size is 64 MB. It should be noted that the maximum memory bandwidth is There is no data. The second processor Intel Core 2 Duo E4400 is capable of supporting DDRThere is no data. The throughput is There is no data. And the maximum amount of supported RAM is There is no data MB.
Graphics. Intel Core i7-1255U has a graphics engine Intel Iris Xe. The frequency of which is - There is no data MHz. Intel Core 2 Duo E4400 received video core There is no data. Here the frequency is There is no data MHz.
How processors perform in benchmarks. In the PassMark benchmark, Intel Core i7-1255U scored 13468. And Intel Core 2 Duo E4400 scored 599 points.
Why Intel Core i7-1255U is better than Intel Core 2 Duo E4400
- Passmark test 13468 против 599 , more on 2148%
- Power Consumption (TDP) 15 W против 65 W, less by -77%
- Technological process 7 nm против 65 nm, less by -89%
- L1 cache size 800 KB против 64 KB, more on 1150%
- L2 cache size 12.5 MB против 2 MB, more on 525%
- Maximum processor frequency 4.7 GHz против 2 GHz, more on 135%
- Number of Cores 10 против 2 , more on 400%
Intel Core i7-1255U vs Intel Core 2 Duo E4400: highlights
Test results
Technology
Performance
Memory specification
Interfaces and communications
Main characteristics
FAQ
Can Intel Core i7-1255U and Intel Core 2 Duo E4400 work in 4K mode?
Intel Core i7-1255U - There is no data. Intel Core 2 Duo E4400 - There is no data.
How many PCIe lanes
Intel Core i7-1255U - 20. Intel Core 2 Duo E4400 - There is no data.
How much RAM does it support?
Intel Core i7-1255U supports 64 GB. Intel Core 2 Duo E4400 supports There is no dataGB.
How fast are the processors?
Intel Core i7-1255U operates on There is no data GHz.
How many cores does the processor have?
Intel Core i7-1255U has 10 cores. Intel Core 2 Duo E4400 has 2 cores.
Do processors support ECC memory?
Intel Core i7-1255U - doesn't have. Intel Core 2 Duo E4400 - There is no data.
Does Intel Core i7-1255U have embedded graphics?
Intel Core i7-1255U - Intel Iris Xe. Intel Core 2 Duo E4400 - There is no data
What kind of RAM is supported
Intel Core i7-1255U supports DDR5. Intel Core 2 Duo E4400 supports DDRThere is no data.
What is the socket of the processors?
Using FCBGA1744 to set Intel Core i7-1255U. LGA775 is used to set Intel Core 2 Duo E4400.
What architecture do they use?
Intel Core i7-1255U is built on the Alder Lake architecture. Intel Core 2 Duo E4400 is built on the Conroe architecture.
Is the Intel Core i7-1255U CPU multiplier unlocked?
Intel Core i7-1255U - doesn't have. Intel Core 2 Duo E4400 - doesn't have.
How do processors perform in benchmarks?
According to PassMark, Intel Core i7-1255U scored 13468 points. Intel Core 2 Duo E4400 scored 599 points.
What is the maximum frequency of processors?
Intel Core i7-1255U has a maximum frequency of 4.7 Hz. The maximum frequency of Intel Core 2 Duo E4400 reaches 2 Hz.
How much energy do they consume?
The power consumption of Intel Core i7-1255U can be up to 15 Watts. Intel Core 2 Duo E4400 has up to 15 Watts.