Intel Core i7-2820QM vs Intel Core i3-4005U

Intel Core i7-2820QM or Intel Core i7-2820QM – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-2820QM features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i7 series.
To use the Intel Core i7-2820QM, you'll need a motherboard with a PGA 988 socket.
The Intel Core i3-4005U features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2013 and belongs to the 4 generation of the Intel Core i3 series.
To use the Intel Core i3-4005U, you'll need a motherboard with a BGA 1168 socket.

The Intel Core i7-2820QM has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-2820QM is 2.3 GHz
and turbo frequency for one core is 3.4 GHz.
The Intel Core i3-4005U has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i3-4005U is 1.7 GHz

The Intel Core i7-2820QM has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-2820QM uses the Intel HD Graphics 3000, which has 96 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i3-4005U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i3-4005U uses the Intel HD Graphics 4400, which has 160 texture shaders
and 20 execution units.

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.

The processor has a thermal design power (TDP) of 45 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 15 W watts.

The Intel Core i7-2820QM is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i3-4005U is manufactured using a 22 nm process.
In total, this processor boasts a generous 3.0 MB cache.