Phenom II X2 B55 vs PRO A4-8350B
Aggregate performance score
PRO A4-8350B outperforms Phenom II X2 B55 by a considerable 41% based on our aggregate benchmark results.
Primary details
Comparing PRO A4-8350B and Phenom II X2 B55 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2434 | 2657 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 2.02 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.51 | 0.88 |
| Architecture codename | Kaveri (2014−2015) | Callisto (2009−2010) |
| Release date | 29 September 2015 (9 years ago) | 1 October 2009 (15 years ago) |
| Launch price (MSRP) | no data | $48 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
PRO A4-8350B and Phenom II X2 B55 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 | 3.5 GHz | 3 GHz |
| Boost clock speed | 3.9 GHz | 3 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | 1024 KB | 512 KB (per core) |
| L3 cache | no data | 6 MB (shared) |
| Chip lithography | 28 nm | 45 nm |
| Die size | 245 mm2 | 258 mm2 |
| Maximum core temperature | 71 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 2,411 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on PRO A4-8350B and Phenom II X2 B55 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 | FM2+ | AM3 |
| Power consumption (TDP) | 65 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by PRO A4-8350B and Phenom II X2 B55. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| FRTC | + | - |
| FreeSync | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| TrueAudio | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| Out-of-band client management | + | - |
| VirusProtect | + | - |
| RAID | + | - |
| HSA | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by PRO A4-8350B and Phenom II X2 B55 are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by PRO A4-8350B and Phenom II X2 B55. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR3 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R5 Graphics | On certain motherboards (Chipset feature) |
| iGPU core count | 4 | no data |
| Number of pipelines | 256 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of PRO A4-8350B and Phenom II X2 B55 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by PRO A4-8350B and Phenom II X2 B55 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by PRO A4-8350B and Phenom II X2 B55.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 16 | 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 | 1.04 | 0.74 |
| Recency | 29 September 2015 | 1 October 2009 |
| Chip lithography | 28 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 80 Watt |
PRO A4-8350B has a 40.5% higher aggregate performance score, an age advantage of 5 years, a 60.7% more advanced lithography process, and 23.1% lower power consumption.
The PRO A4-8350B is our recommended choice as it beats the Phenom II X2 B55 in performance tests.
Should you still have questions on choice between PRO A4-8350B and Phenom II X2 B55, ask them in Comments section, and we shall answer.
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