Athlon X2 4450e vs Phenom II X3 B75
Primary details
Comparing Phenom II X3 B75 and Athlon X2 4450e processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2355 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Heka (2009−2010) | Brisbane (2007−2008) |
| Release date | 1 October 2009 (14 years ago) | April 2008 (16 years ago) |
Detailed specifications
Phenom II X3 B75 and Athlon X2 4450e 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 | 3 (Tri-Core) | 2 (Dual-core) |
| Threads | 3 | 2 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 2.3 GHz |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 512 KB (per core) | 512 KB |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 258 mm2 | 126 mm2 |
| Number of transistors | 758 million | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X3 B75 and Athlon X2 4450e 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 |
| Socket | AM3 | AM2 |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 B75 and Athlon X2 4450e are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 B75 and Athlon X2 4450e. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 B75 and Athlon X2 4450e.
| PCIe version | 2.0 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Physical cores | 3 | 2 |
| Threads | 3 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Phenom II X3 B75 has 50% more physical cores and 50% more threads, and a 44.4% more advanced lithography process.
Athlon X2 4450e, on the other hand, has 111.1% lower power consumption.
We couldn't decide between Phenom II X3 B75 and Athlon X2 4450e. We've got no test results to judge.
Should you still have questions on choice between Phenom II X3 B75 and Athlon X2 4450e, ask them in Comments section, and we shall answer.
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