– The Core i7-3720QM as well as the i7-3820QM are high end quad core notebook processors belonging to the Ivy Bridge processors launched in April 29, 2012.
– The Core i7-3820QM has 100 MHz higher Clock (2.70 GHz vs 2.60 GHz) and higher L3 Cache ( 8 MB Vs 6 MB). It makes i7-3820QM marginally better in CPU performance.
– Both come with the same integrated graphics – the HD Graphics 4000 – which make a significant improvement ( close to 50%) over the earlier Sandy Bridge based HD Graphics 3000.
Table : Core i7-3720QM Vs Core i7-3820QM Feature Differences
|Feature||Core i7-3720QM||Core i7-3820QM|
|Core Frequency||2.60 GHz||2.70 GHz|
|No. Of Cores||4/8 Hyperthreads||4/8 Hyperthreads|
|Cache Organization||6 MB L3||8 MB L3|
|Turbo Frequency||3.60 GHz||3.70 GHz|
|TDP Rating||35 Watts||35 Watts|
|64 Bit Support||Y||Y|
|Lithography||22 nm||22 nm|
|Integrated Memory Controller||DDR3-1600, DDR3L-1333||DDR3-1600, DDR3L-1333|
|Integrated Graphics||HD 4000, 650 MHz Base, 1250 MHz Turbo||HD 4000, 650 MHz Base, 1250 MHz Turbo|
Table : Core i7-3720QM Vs Core i7-3820QM Benchmarking Comparison
|Benchmarks||Core i7-3720QM||Core i7-3820QM|
|PassMark CPU Mark Score||Not available||Not available|
|Super Pi 2M (Lower in better)||23.8 seconds||22.9 seconds|
|3D Mark 06 CPU||6606||6778|
|Windows 7 Experience Score||7.6||7.7|
Some more details of Core i7-3720QM
The quad core i7-3720QM raises the bar in High end computing with four cores running at base clock of 2.60 GHz. In turbo the 4 cores can clock to 3.4 GHz , two core and single core turbo being 3.50 GHz and 3.60 GHz. The processor is ideal for larger notebooks that demand extreme processing power at reasonable price.
Some more details of Core i7-3820QM
The quad core i7-3820QM bumps up the clock frequency of Core i7-3720QM by 100 MHz. It also has a larger 8 MB L3 Cache. The processor is ideal for larger notebooks for extreme processing.
Further Suggested Reading
Since both these processors belongs to Ivy Bridge. Check out the Ivy Bridge Architecture.