Celeron G3900T vs Phenom II X3 P820
Aggregate performance score
Celeron G3900T outperforms Phenom II X3 P820 by an impressive 92% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 P820 and Celeron G3900T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2740 | 2284 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 3x AMD Phenom II | Intel Celeron |
| Power efficiency | 2.50 | 3.43 |
| Architecture codename | Champlain (2010−2011) | Skylake (2015−2016) |
| Release date | 12 May 2010 (14 years ago) | 19 October 2015 (9 years ago) |
Detailed specifications
Phenom II X3 P820 and Celeron G3900T 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 | no data | 2.6 GHz |
| Boost clock speed | 1.8 GHz | 2.6 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | 3600 MHz | 4 × 8 GT/s |
| Multiplier | no data | 26 |
| L1 cache | 384 KB | 128 KB |
| L2 cache | 1.5 MB | 512 KB |
| L3 cache | no data | 2 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | no data | 98.57 mm2 |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X3 P820 and Celeron G3900T 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 | no data | 1 (Uniprocessor) |
| Socket | S1 | FCLGA1151 |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Celeron G3900T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
Security technologies
Phenom II X3 P820 and Celeron G3900T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Secure Key | no data | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Celeron G3900T are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Celeron G3900T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-1866/2133, DDR3L-1333/1600 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 34.134 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 510 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 950 MHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Phenom II X3 P820 and Celeron G3900T integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Phenom II X3 P820 and Celeron G3900T integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
| Max resolution over VGA | no data | N/A |
Graphics API support
APIs supported by Phenom II X3 P820 and Celeron G3900T integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 P820 and Celeron G3900T.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Performance score | 0.66 | 1.27 |
| Recency | 12 May 2010 | 19 October 2015 |
| Physical cores | 3 | 2 |
| Threads | 3 | 2 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Phenom II X3 P820 has 50% more physical cores and 50% more threads, and 40% lower power consumption.
Celeron G3900T, on the other hand, has a 92.4% higher aggregate performance score, an age advantage of 5 years, and a 221.4% more advanced lithography process.
The Celeron G3900T is our recommended choice as it beats the Phenom II X3 P820 in performance tests.
Should you still have questions on choice between Phenom II X3 P820 and Celeron G3900T, ask them in Comments section, and we shall answer.
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