Comparision Intel Core i7-2820QM vs Intel Core i7-2640M
Grade
Top specs and features
Passmark test
Оценка Cinebench11.5 (одиночный)
Power Consumption (TDP)
Technological process
Number of transistors
Description
The Intel Core i7-2820QM processor runs at 2.3 Hz, the other Intel Core i7-2640M runs at 2.8 Hz. Intel Core i7-2820QM is able to accelerate to 3.4 Hz , and the second to 3.5 Hz. The maximum power consumption for the first processor is 45 W, and for Intel Core i7-2640M 35 W.
In terms of architecture, Intel Core i7-2820QM is built using 32 nm technology. Intel Core i7-2640M on the 32 nm architecture.
Relative to processor memory. Intel Core i7-2820QM can support DDR3. The maximum supported size is 32 MB. It should be noted that the maximum memory bandwidth is 25.6. The second processor Intel Core i7-2640M is capable of supporting DDR3. The throughput is 21.3. And the maximum amount of supported RAM is 16 MB.
Graphics. Intel Core i7-2820QM has a graphics engine Intel HD Graphics 3000. The frequency of which is - 650 MHz. Intel Core i7-2640M received video core Intel HD Graphics 3000. Here the frequency is 650 MHz.
How processors perform in benchmarks. In the PassMark benchmark, Intel Core i7-2820QM scored 4472. And Intel Core i7-2640M scored 2273 points.
Why Intel Core i7-2820QM is better than Intel Core i7-2640M
- Passmark test 4472 против 2273 , more on 97%
- L1 cache size 256 KB против 128 KB, more on 100%
- L2 cache size 1 MB против 0.5 MB, more on 100%
- Number of threads 8 против 4 , more on 100%
- L3 cache size 8 MB против 4 MB, more on 100%
Intel Core i7-2820QM vs Intel Core i7-2640M: highlights
Test results
Technology
Performance
Memory specification
Interfaces and communications
Main characteristics
FAQ
Can Intel Core i7-2820QM and Intel Core i7-2640M work in 4K mode?
Intel Core i7-2820QM - There is no data. Intel Core i7-2640M - There is no data.
How many PCIe lanes
Intel Core i7-2820QM - 16. Intel Core i7-2640M - 16.
How much RAM does it support?
Intel Core i7-2820QM supports 32 GB. Intel Core i7-2640M supports 16GB.
How fast are the processors?
Intel Core i7-2820QM operates on 2.3 GHz.8 GHz.
How many cores does the processor have?
Intel Core i7-2820QM has 4 cores. Intel Core i7-2640M has 2 cores.
Do processors support ECC memory?
Intel Core i7-2820QM - doesn't have. Intel Core i7-2640M - doesn't have.
Does Intel Core i7-2820QM have embedded graphics?
Intel Core i7-2820QM - Intel HD Graphics 3000. Intel Core i7-2640M - Intel HD Graphics 3000
What kind of RAM is supported
Intel Core i7-2820QM supports DDR3. Intel Core i7-2640M supports DDR3.
What is the socket of the processors?
Using FCPGA988. FCBGA1224 to set Intel Core i7-2820QM. FCBGA1023. PPGA988 is used to set Intel Core i7-2640M.
What architecture do they use?
Intel Core i7-2820QM is built on the Sandy Bridge architecture. Intel Core i7-2640M is built on the Sandy Bridge architecture.
Is the Intel Core i7-2820QM CPU multiplier unlocked?
Intel Core i7-2820QM - doesn't have. Intel Core i7-2640M - doesn't have.
How do processors perform in benchmarks?
According to PassMark, Intel Core i7-2820QM scored 4472 points. Intel Core i7-2640M scored 2273 points.
What is the maximum frequency of processors?
Intel Core i7-2820QM has a maximum frequency of 3.4 Hz. The maximum frequency of Intel Core i7-2640M reaches 3.5 Hz.
How much energy do they consume?
The power consumption of Intel Core i7-2820QM can be up to 45 Watts. Intel Core i7-2640M has up to 45 Watts.