Atom Z620 vs Core i7-3770K
Primary details
Comparing Core i7-3770K and Atom Z620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1321 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.52 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i7 (Desktop) | Intel Atom |
| Architecture codename | Ivy Bridge (2012−2013) | Lincroft (2010−2011) |
| Release date | 8 April 2012 (12 years ago) | 4 May 2010 (14 years ago) |
| Launch price (MSRP) | $294 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-3770K and Atom Z620 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 8 | 2 |
| Base clock speed | 3.5 GHz | 0.9 GHz |
| Boost clock speed | 3.9 GHz | 900 MHz - 1600 MHz (1 core) |
| Bus support | no data | 400 MT/s |
| L1 cache | 64 KB (per core) | 56 KB |
| L2 cache | 1 MB | 512 KB (per core) |
| L3 cache | 8 MB | 0 KB |
| Chip lithography | 22 nm | 45 nm |
| Die size | 160 mm2 | 65.2526 mm2 |
| Maximum core temperature | 67 °C | no data |
| Maximum case temperature (TCase) | 67 °C | no data |
| Number of transistors | 1,400 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | No |
Compatibility
Information on Core i7-3770K and Atom Z620 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 (Uniprocessor) |
| Socket | FCLGA1155 | Intel BGA 518 |
| Power consumption (TDP) | 77 Watt | 1.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3770K and Atom Z620. You'll probably need this information if you require some particular technology.
| AES-NI | + | no data |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-3770K and Atom Z620 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Atom Z620. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2 |
| Maximum memory size | no data | 2 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | 25.6 GB/s | 3.2 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 4000 | PowerVR SGX535 |
Peripherals
Specifications and connection of peripherals supported by Core i7-3770K and Atom Z620.
| PCIe version | 3.0 | no data |
Pros & cons summary
| Recency | 8 April 2012 | 4 May 2010 |
| Physical cores | 4 | 1 |
| Threads | 8 | 2 |
| Chip lithography | 22 nm | 45 nm |
| Power consumption (TDP) | 77 Watt | 1 Watt |
i7-3770K has an age advantage of 1 year, 300% more physical cores and 300% more threads, and a 104.5% more advanced lithography process.
Atom Z620, on the other hand, has 7600% lower power consumption.
We couldn't decide between Core i7-3770K and Atom Z620. We've got no test results to judge.
Note that Core i7-3770K is a desktop processor while Atom Z620 is a notebook one.
Should you still have questions on choice between Core i7-3770K and Atom Z620, ask them in Comments section, and we shall answer.
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