Celeron B840 vs D 346
Primary details
Comparing Celeron D 346 and Celeron B840 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2787 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | no data | 1.65 |
| Architecture codename | Prescott (2001−2005) | Sandy Bridge (2011−2013) |
| Release date | October 2004 (20 years ago) | 1 July 2011 (13 years ago) |
| Launch price (MSRP) | no data | $86 |
Detailed specifications
Celeron D 346 and Celeron B840 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Base clock speed | 3.06 GHz | 1.9 GHz |
| Boost clock speed | 3.06 GHz | 1.9 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 19 |
| L1 cache | 16 KB | 64K (per core) |
| L2 cache | 256 KB | 256K (per core) |
| L3 cache | 0 KB | 2 MB (shared) |
| Chip lithography | 90 nm | 32 nm |
| Die size | 109 mm2 | 131 mm2 |
| Maximum core temperature | 68 °C | 100 °C |
| Number of transistors | 125 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.25V-1.4V | no data |
Compatibility
Information on Celeron D 346 and Celeron B840 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 | PLGA775 | FCPGA988,PGA988 |
| Power consumption (TDP) | 84 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron D 346 and Celeron B840. You'll probably need this information if you require some particular technology.
| FMA | - | + |
| Enhanced SpeedStep (EIST) | - | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | - | - |
| PAE | 32 Bit | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| FSB parity | - | no data |
Security technologies
Celeron D 346 and Celeron B840 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron D 346 and Celeron B840 are enumerated here.
| VT-d | no data | - |
| VT-x | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron D 346 and Celeron B840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for 2nd Generation Intel Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Celeron D 346 and Celeron B840 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Celeron D 346 and Celeron B840.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 90 nm | 32 nm |
| Power consumption (TDP) | 84 Watt | 35 Watt |
Celeron B840 has 100% more physical cores and 100% more threads, a 181.3% more advanced lithography process, and 140% lower power consumption.
We couldn't decide between Celeron D 346 and Celeron B840. We've got no test results to judge.
Note that Celeron D 346 is a desktop processor while Celeron B840 is a notebook one.
Should you still have questions on choice between Celeron D 346 and Celeron B840, 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.
