Intel Celeron G1840T vs Intel Celeron G1820: comparison
Comparison of Intel Celeron G1840T and Intel Celeron G1820: key differences and a full specification table.
Key differences
Intel Celeron G1840T has a lower TDP (35 W vs 53 W).
At the same time, Intel Celeron G1820 has a higher base clock (2.7 GHz vs 2.5 GHz).
Both processors match on: core count (2), thread count (2), process node (22 nm), maximum memory size (32 GB), memory channels (2), PCIe version (3), maximum integrated graphics clock (1.05 GHz).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Celeron G1840T | Intel Celeron G1820 |
|---|---|---|
| Cores / threads | 2 / 2 | 2 / 2 |
| L3 cache | — | 2 MB |
| TDP | 35 W | 53 W |
| Process | 22 nm | 22 nm |
| Integrated graphics | Графические решения Intel HD для процессоров Intel 4-го поколения | Графические решения Intel HD для процессоров Intel 4-го поколения |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Celeron G1840T | Intel Celeron G1820 |
|---|---|---|
| General | ||
| Model | G1840T | G1820 |
| Codename | Haswell | Haswell |
| Segment | Desktop | Desktop |
| Product line | Процессор Intel Celeron серии G | Процессор Intel Celeron серии G |
| Process | 22 nm | 22 nm |
| Launch date | Q2 2014 | Q1 2014 |
| Status | Discontinued | Discontinued |
| Expected discontinuance | 07/14/2017 | — |
| Servicing status | End of Servicing Lifetime | End of Servicing Lifetime |
| End of servicing updates | 06/30/2021 | 06/30/2021 |
| Embedded options available | No | Yes |
| Use conditions | — | Embedded Broad Market Commercial Temp, PC/Client/Tablet |
| CPU | ||
| Cores | 2 | 2 |
| Threads | 2 | 2 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 2.5 GHz | 2.7 GHz |
| L3 cache | — | 2 MB |
| Cache (level unspecified) | 2 MB | — |
| Bus speed | 5 GT/s | 5 GT/s |
| TDP | 35 W | 53 W |
| Turbo Boost | No | No |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2 | SSE4.1, SSE4.2 |
| Memory | ||
| Max memory size | 32 GB | 32 GB |
| Memory types | DDR3, DDR3L | DDR3, DDR3L |
| Memory channels | 2 | 2 |
| Max memory bandwidth | 21.3 GB/s | 21.3 GB/s |
| ECC memory supported | Yes | Yes |
| Graphics | ||
| Integrated graphics | Графические решения Intel HD для процессоров Intel 4-го поколения | Графические решения Intel HD для процессоров Intel 4-го поколения |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | 200 MHz | 350 MHz |
| Graphics max frequency | 1.05 GHz | 1.05 GHz |
| Graphics video max memory | 1.7 GB | 1.7 GB |
| Max displays | 3 | 3 |
| Max resolution (DP) | 2560x1600@60Hz | 2560x1600@60Hz |
| Max resolution (HDMI) | 1920x1080@60Hz | 1920x1080@60Hz |
| Max resolution (eDP) | 2560x1600@60Hz | 2560x1600@60Hz |
| DirectX | 12 | 12 |
| OpenGL | 4.3 | 4.3 |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | Yes | — |
| Graphics output | eDP/DP/HDMI/DVI/VGA | eDP/DP/HDMI/DVI/VGA |
| Max resolution (VGA) | 1920x1200@60Hz | 1920x1200@60Hz |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 16 | 16 |
| PCI Express configurations | Up to 1x16, 2x8, 1x8+2x4 | Up to 1x16, 2x8, 1x8+2x4 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA1150 | FCLGA1150 |
| Max CPU configuration | 1 | 1 |
| Package size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
| TCASE | 66.4 °C | 72 °C |
| Thermal solution specification | PCG 2013A | PCG 2013C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | No | No |
| Extended Page Tables (EPT) | Yes | Yes |
| AES-NI | No | No |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Secure Key | Yes | Yes |
| Stable IT Platform Program | No | No |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Transactional Synchronization Extensions | No | No |
| Optane Memory Supported | No | No |