Celeron J3455 vs G1820T
Aggregate performance score
Celeron J3455 outperforms Celeron G1820T by a substantial 38% based on our aggregate benchmark results.
Primary details
Comparing Celeron G1820T and Celeron J3455 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2444 | 2192 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.80 | 0.15 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Celeron |
| Power efficiency | 1.81 | 13.44 |
| Architecture codename | Haswell (2013−2015) | Apollo Lake (2014−2016) |
| Release date | 1 December 2013 (10 years ago) | 30 August 2016 (8 years ago) |
| Launch price (MSRP) | $42 | $107 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Celeron G1820T has 1100% better value for money than Celeron J3455.
Detailed specifications
Celeron G1820T and Celeron J3455 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 2.4 GHz | 1.5 GHz |
| Boost clock speed | 2.4 GHz | 2.3 GHz |
| Bus rate | 5 GT/s | no data |
| Multiplier | no data | 15 |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 2 MB |
| L3 cache | 3 MB (shared) | 0 KB |
| Chip lithography | 22 nm | 14 nm |
| Die size | 177 mm2 | no data |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron G1820T and Celeron J3455 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 (Uniprocessor) |
| Socket | FCLGA1150 | FCBGA1296 |
| Power consumption (TDP) | 35 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron G1820T and Celeron J3455. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Smart Response | no data | - |
| GPIO | no data | + |
| Smart Connect | no data | - |
| HD Audio | no data | + |
| RST | no data | - |
Security technologies
Celeron G1820T and Celeron J3455 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Boot | no data | + |
| Secure Key | + | + |
| Identity Protection | - | + |
| OS Guard | no data | - |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron G1820T and Celeron J3455 are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| VT-i | no data | - |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron G1820T and Celeron J3455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s |
| Maximum memory size | 32 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.3 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 4th Generation Intel® Processors | Intel HD Graphics 500 |
| Max video memory | 1.7 GB | 8 GB |
| Quick Sync Video | + | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | 1.05 GHz | 750 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Celeron G1820T and Celeron J3455 integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | + |
| DisplayPort | + | + |
| HDMI | + | + |
| DVI | + | no data |
| VGA | + | no data |
| MIPI-DSI | no data | + |
Graphics image quality
Maximum display resolutions supported by Celeron G1820T and Celeron J3455 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 1920x1080@60Hz | no data |
| Max resolution over eDP | 2560x1600@60Hz | no data |
| Max resolution over DisplayPort | 2560x1600@60Hz | no data |
| Max resolution over VGA | 1920x1200@60Hz | no data |
Graphics API support
APIs supported by Celeron G1820T and Celeron J3455 integrated GPUs, sometimes API versions are included.
| DirectX | 11.1/12 | + |
| OpenGL | 4.3 | + |
Peripherals
Specifications and connection of peripherals supported by Celeron G1820T and Celeron J3455.
| PCIe version | Up to 3.0 | 2.0 |
| PCI Express lanes | 16 | 6 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | - |
| UART | 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 | 1.03 | 1.42 |
| Recency | 1 December 2013 | 30 August 2016 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 10 Watt |
Celeron J3455 has a 37.9% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, a 57.1% more advanced lithography process, and 250% lower power consumption.
The Celeron J3455 is our recommended choice as it beats the Celeron G1820T in performance tests.
Should you still have questions on choice between Celeron G1820T and Celeron J3455, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
