Athlon 64 X2 5800+ vs Celeron B800
Aggregate performance score
Celeron B800 outperforms Athlon 64 X2 5800+ by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing Celeron B800 and Athlon 64 X2 5800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2990 | 2995 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Celeron | no data |
| Power efficiency | 1.14 | 0.44 |
| Architecture codename | Sandy Bridge (2011−2013) | Brisbane (2007−2008) |
| Release date | 19 June 2011 (13 years ago) | April 2008 (16 years ago) |
| Launch price (MSRP) | $80 | no data |
Detailed specifications
Celeron B800 and Athlon 64 X2 5800+ 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) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 1.5 GHz | no data |
| Boost clock speed | 1.5 GHz | 3 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 15 | no data |
| L1 cache | 64K (per core) | 256 KB |
| L2 cache | 256K (per core) | 512 KB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 65 nm |
| Die size | 131 mm2 | 126 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 504 million | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron B800 and Athlon 64 X2 5800+ 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) | 1 |
| Socket | FCPGA988 | AM2 |
| Power consumption (TDP) | 35 Watt | 89 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron B800 and Athlon 64 X2 5800+. 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 |
| 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 B800 and Athlon 64 X2 5800+ 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 B800 and Athlon 64 X2 5800+ are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron B800 and Athlon 64 X2 5800+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 16 GB | no data |
| 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 GHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron B800 and Athlon 64 X2 5800+ 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 B800 and Athlon 64 X2 5800+.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | 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 | 0.42 | 0.41 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 89 Watt |
Celeron B800 has a 2.4% higher aggregate performance score, a 103.1% more advanced lithography process, and 154.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Celeron B800 and Athlon 64 X2 5800+.
Be aware that Celeron B800 is a notebook processor while Athlon 64 X2 5800+ is a desktop one.
Should you still have questions on choice between Celeron B800 and Athlon 64 X2 5800+, ask them in Comments section, and we shall answer.
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