HD Graphics 620 vs Athlon II X4 645
Primary details
Comparing Athlon II X4 645 and HD Graphics 620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2149 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.30 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel HD Graphics |
| Power efficiency | 1.47 | no data |
| Architecture codename | Propus (2009−2011) | Gen9.5 |
| Release date | 21 September 2010 (14 years ago) | no data (2024 years ago) |
| Launch price (MSRP) | $80 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 645 and HD Graphics 620 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) | no data |
| Threads | 4 | no data |
| Base clock speed | 3.1 GHz | no data |
| Boost clock speed | 3.1 GHz | 0.35 GHz |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 14 nm0.014 μm 1.4e-5 mm |
| Die size | 169 mm2 | no data |
| Number of transistors | 300 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X4 645 and HD Graphics 620 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 | no data |
| Socket | AM3 | no data |
| Power consumption (TDP) | 95 Watt | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 645 and HD Graphics 620. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | no data | 65,536 MB 67,108,864 KB 68,719,476,736 B 0.0625 TiB 64 GB |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 645 and HD Graphics 620.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Chip lithography | 45 nm | 14 nm |
HD Graphics 620 has a 221.4% more advanced lithography process.
We couldn't decide between Athlon II X4 645 and HD Graphics 620. We've got no test results to judge.
Note that Athlon II X4 645 is a desktop processor while HD Graphics 620 is a notebook one.
Should you still have questions on choice between Athlon II X4 645 and HD Graphics 620, ask them in Comments section, and we shall answer.
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