Celeron G1820T vs Phenom II X4 805
Aggregate performance score
Phenom II X4 805 outperforms Celeron G1820T by a moderate 19% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X4 805 and Celeron G1820T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2320 | 2457 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.10 | 1.80 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.23 | 1.81 |
| Architecture codename | Deneb (2009−2011) | Haswell (2013−2015) |
| Release date | 9 February 2009 (15 years ago) | 1 December 2013 (11 years ago) |
| Launch price (MSRP) | $174 | $42 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Celeron G1820T has 1700% better value for money than Phenom II X4 805.
Detailed specifications
Phenom II X4 805 and Celeron G1820T 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 2.5 GHz | 2.4 GHz |
| Boost clock speed | 2.5 GHz | 2.4 GHz |
| Bus rate | no data | 5 GT/s |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 256 KB (per core) |
| L3 cache | 4 MB (shared) | 3 MB (shared) |
| Chip lithography | 45 nm | 22 nm |
| Die size | 258 mm2 | 177 mm2 |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 758 million | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X4 805 and Celeron G1820T 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 | FCLGA1150 |
| Power consumption (TDP) | 95 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 805 and Celeron G1820T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| 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 X4 805 and Celeron G1820T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Secure Key | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 805 and Celeron G1820T 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 X4 805 and Celeron G1820T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.3 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel HD Graphics for 4th Generation Intel Processors |
| Max video memory | no data | 1.7 GB |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.05 GHz |
Graphics interfaces
Available interfaces and connections of Phenom II X4 805 and Celeron G1820T integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
| VGA | no data | + |
Graphics image quality
Maximum display resolutions supported by Phenom II X4 805 and Celeron G1820T integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 1920x1080@60Hz |
| Max resolution over eDP | no data | 2560x1600@60Hz |
| Max resolution over DisplayPort | no data | 2560x1600@60Hz |
| Max resolution over VGA | no data | 1920x1200@60Hz |
Graphics API support
APIs supported by Phenom II X4 805 and Celeron G1820T integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.1/12 |
| OpenGL | no data | 4.3 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 805 and Celeron G1820T.
| PCIe version | 2.0 | Up to 3.0 |
| PCI Express lanes | no data | 16 |
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 | 1.23 | 1.03 |
| Recency | 9 February 2009 | 1 December 2013 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 95 Watt | 35 Watt |
Phenom II X4 805 has a 19.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Celeron G1820T, on the other hand, has an age advantage of 4 years, a 104.5% more advanced lithography process, and 171.4% lower power consumption.
The Phenom II X4 805 is our recommended choice as it beats the Celeron G1820T in performance tests.
Should you still have questions on choice between Phenom II X4 805 and Celeron G1820T, ask them in Comments section, and we shall answer.
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