Athlon MP 1900+ vs Celeron B820
Primary details
Comparing Celeron B820 and Athlon MP 1900+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2869 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Celeron | AMD Athlon MP |
| Power efficiency | 1.35 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | K7 (2000−2004) |
| Release date | 1 July 2012 (12 years ago) | 12 December 2001 (22 years ago) |
| Launch price (MSRP) | $86 | $319 |
Detailed specifications
Celeron B820 and Athlon MP 1900+ 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 1.7 GHz | no data |
| Boost clock speed | 1.7 GHz | 1.6 GHz |
| Bus type | DMI 2.0 | FSB |
| Bus rate | 4 × 5 GT/s | 266 MT/s |
| Multiplier | 17 | 12 |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 256K (per core) | 256 KB |
| L3 cache | 2 MB (shared) | no data |
| Chip lithography | 32 nm | 180 nm |
| Die size | 131 mm2 | 128 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 504 million | 38 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron B820 and Athlon MP 1900+ 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 (Uniprocessor) | 2 (Multiprocessor) |
| Socket | FCPGA988,PGA988 | no data |
| Power consumption (TDP) | 35 Watt | 66 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron B820 and Athlon MP 1900+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| FMA | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| My WiFi | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Celeron B820 and Athlon MP 1900+ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron B820 and Athlon MP 1900+ are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Athlon MP 1900+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 16 GB | 4 GB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.335 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 2nd Generation Intel® Processors | no data |
| Graphics max frequency | 1.05 GHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron B820 and Athlon MP 1900+ integrated GPUs.
| Number of displays supported | 2 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron B820 and Athlon MP 1900+.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 1 July 2012 | 12 December 2001 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 35 Watt | 66 Watt |
Celeron B820 has an age advantage of 10 years, 100% more physical cores and 100% more threads, a 462.5% more advanced lithography process, and 88.6% lower power consumption.
We couldn't decide between Celeron B820 and Athlon MP 1900+. We've got no test results to judge.
Be aware that Celeron B820 is a notebook processor while Athlon MP 1900+ is a server/workstation one.
Should you still have questions on choice between Celeron B820 and Athlon MP 1900+, 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.
