Celeron N2805 vs 847
Primary details
Comparing Celeron 847 and Celeron N2805 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Intel Celeron |
| Architecture codename | Sandy Bridge (2011−2013) | Bay Trail-M (2013−2014) |
| Release date | 19 June 2011 (13 years ago) | 11 September 2013 (10 years ago) |
| Launch price (MSRP) | $134 | $107 |
| Current price | $93 (0.7x MSRP) | $130 (1.2x MSRP) |
Detailed specifications
Celeron 847 and Celeron N2805 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 | 1.1 GHz | 1.46 GHz |
| Boost clock speed | 1.1 GHz | 1.46 GHz |
| L1 cache | 64K (per core) | 56K (per core) |
| L2 cache | 256K (per core) | 512K (per core) |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 22 nm |
| Die size | 131 mm2 | no data |
| Maximum core temperature | 100 °C | 80 °C |
| Number of transistors | 504 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Celeron 847 and Celeron N2805 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 |
| Socket | FCBGA1023 | FCBGA1170 |
| Power consumption (TDP) | 17 Watt | 4.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 847 and Celeron N2805. 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 | - | - |
| FMA | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | no data |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| Smart Connect | no data | + |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Status | Discontinued | Discontinued |
| RST | no data | - |
Security technologies
Celeron 847 and Celeron N2805 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
| Identity Protection | no data | - |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 847 and Celeron N2805 are enumerated here.
| VT-d | - | - |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 847 and Celeron N2805. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 16 GB | 4 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 21.3 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics (Sandy Bridge) | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Clear Video HD | - | - |
| Graphics max frequency | 800 MHz | 667 MHz |
Graphics interfaces
Available interfaces and connections of Celeron 847 and Celeron N2805 integrated GPUs.
| Number of displays supported | 2 | 2 |
| eDP | + | no data |
| DisplayPort | + | no data |
| HDMI | + | no data |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron 847 and Celeron N2805.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 4 |
| USB revision | no data | 3.0 and 2.0 |
| Total number of SATA ports | no data | 2 |
| Number of USB ports | no data | 5 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Benchmark coverage: 68%
847 outperforms N2805 by 44% in Passmark.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
847 outperforms N2805 by 68% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
847 outperforms N2805 by 68% in Cinebench 10 32-bit multi-core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 19%
847 outperforms N2805 by 12% in 3DMark06 CPU.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
N2805 outperforms 847 by 6% in wPrime 32.
TrueCrypt AES
TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.
Benchmark coverage: 13%
WinRAR 4.0
WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.
Benchmark coverage: 13%
N2805 outperforms 847 by 8% in WinRAR 4.0.
Geekbench 2
Benchmark coverage: 5%
847 outperforms N2805 by 38% in Geekbench 2.
Pros & cons summary
| Recency | 19 June 2011 | 11 September 2013 |
| Cost | $134 | $107 |
| Chip lithography | 32 nm | 22 nm |
| Power consumption (TDP) | 17 Watt | 4 Watt |
We couldn't decide between Celeron 847 and Celeron N2805. We've got no test results to judge.
Should you still have questions on choice between Celeron 847 and Celeron N2805, ask them in Comments section, and we shall answer.
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