Comparision Intel Core i7-4578U vs Intel Core i7-7700HQ
Grade
Top specs and features
Passmark test
Power Consumption (TDP)
Video memory size
Technological process
Number of transistors
Description
The Intel Core i7-4578U processor runs at 3 Hz, the other Intel Core i7-7700HQ runs at 2.8 Hz. Intel Core i7-4578U is able to accelerate to 3.5 Hz , and the second to 3.8 Hz. The maximum power consumption for the first processor is 28 W, and for Intel Core i7-7700HQ 45 W.
In terms of architecture, Intel Core i7-4578U is built using 22 nm technology. Intel Core i7-7700HQ on the 14 nm architecture.
Relative to processor memory. Intel Core i7-4578U can support DDR3. The maximum supported size is 16 MB. It should be noted that the maximum memory bandwidth is 25.6. The second processor Intel Core i7-7700HQ is capable of supporting DDR4. The throughput is 37.5. And the maximum amount of supported RAM is 64 MB.
Graphics. Intel Core i7-4578U has a graphics engine Intel Iris 5100. The frequency of which is - 200 MHz. Intel Core i7-7700HQ received video core Intel HD Graphics 630. Here the frequency is 350 MHz.
How processors perform in benchmarks. In the PassMark benchmark, Intel Core i7-4578U scored 3504. And Intel Core i7-7700HQ scored 7352 points.
Why Intel Core i7-7700HQ is better than Intel Core i7-4578U
- Power Consumption (TDP) 28 W против 45 W, less by -38%
Intel Core i7-4578U vs Intel Core i7-7700HQ: highlights
Test results
Technology
Performance
Memory specification
Interfaces and communications
Main characteristics
FAQ
Can Intel Core i7-4578U and Intel Core i7-7700HQ work in 4K mode?
Intel Core i7-4578U - There is no data. Intel Core i7-7700HQ - has.
How many PCIe lanes
Intel Core i7-4578U - 12. Intel Core i7-7700HQ - 16.
How much RAM does it support?
Intel Core i7-4578U supports 16 GB. Intel Core i7-7700HQ supports 64GB.
How fast are the processors?
Intel Core i7-4578U operates on 3 GHz.8 GHz.
How many cores does the processor have?
Intel Core i7-4578U has 2 cores. Intel Core i7-7700HQ has 4 cores.
Do processors support ECC memory?
Intel Core i7-4578U - doesn't have. Intel Core i7-7700HQ - doesn't have.
Does Intel Core i7-4578U have embedded graphics?
Intel Core i7-4578U - Intel Iris 5100. Intel Core i7-7700HQ - Intel HD Graphics 630
What kind of RAM is supported
Intel Core i7-4578U supports DDR3. Intel Core i7-7700HQ supports DDR4.
What is the socket of the processors?
Using FCBGA1168 to set Intel Core i7-4578U. FCBGA1440 is used to set Intel Core i7-7700HQ.
What architecture do they use?
Intel Core i7-4578U is built on the Haswell architecture. Intel Core i7-7700HQ is built on the Kaby Lake architecture.
Is the Intel Core i7-4578U CPU multiplier unlocked?
Intel Core i7-4578U - doesn't have. Intel Core i7-7700HQ - doesn't have.
How do processors perform in benchmarks?
According to PassMark, Intel Core i7-4578U scored 3504 points. Intel Core i7-7700HQ scored 7352 points.
What is the maximum frequency of processors?
Intel Core i7-4578U has a maximum frequency of 3.5 Hz. The maximum frequency of Intel Core i7-7700HQ reaches 3.8 Hz.
How much energy do they consume?
The power consumption of Intel Core i7-4578U can be up to 28 Watts. Intel Core i7-7700HQ has up to 28 Watts.