E-450 vs Phenom II X2 550
Aggregate performance score
Phenom II X2 550 outperforms E-450 by an impressive 52% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 550 and E-450 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2669 | 2895 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.04 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD E-Series |
| Power efficiency | 0.86 | 2.52 |
| Architecture codename | Callisto (2009−2010) | Zacate (2011−2013) |
| Release date | 4 November 2009 (15 years ago) | 22 August 2011 (13 years ago) |
| Launch price (MSRP) | $133 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Phenom II X2 550 and E-450 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 3.1 GHz | no data |
| Boost clock speed | 3.1 GHz | 1.65 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 40 nm |
| Die size | 258 mm2 | 75 mm2 |
| Number of transistors | 758 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 550 and E-450 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 | FT1 BGA 413-Ball |
| Power consumption (TDP) | 80 Watt | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 550 and E-450. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX(+), SSE(1,2,3,3S,4A), AMD-V |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X2 550 and E-450 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 550 and E-450. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 Single-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | AMD Radeon HD 6320 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X2 550 and E-450.
| 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 0.73 | 0.48 |
| Recency | 4 November 2009 | 22 August 2011 |
| Chip lithography | 45 nm | 40 nm |
| Power consumption (TDP) | 80 Watt | 18 Watt |
Phenom II X2 550 has a 52.1% higher aggregate performance score.
E-450, on the other hand, has an age advantage of 1 year, a 12.5% more advanced lithography process, and 344.4% lower power consumption.
The Phenom II X2 550 is our recommended choice as it beats the E-450 in performance tests.
Note that Phenom II X2 550 is a desktop processor while E-450 is a notebook one.
Should you still have questions on choice between Phenom II X2 550 and E-450, ask them in Comments section, and we shall answer.
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