Intel Celeron N2940 vs AMD Phenom II X3 P820
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
General info
Comparing Phenom II X3 P820 and Celeron N2940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2417 | 2416 |
| Market segment | Laptop | Laptop |
| Series | 3x AMD Phenom II | Intel Celeron |
| Architecture codename | Champlain (2010−2011) | Bay Trail-M (2013−2014) |
| Release date | 12 May 2010 (13 years old) | 22 May 2014 (9 years old) |
| Current price | no data | $377 |
Technical specs
Phenom II X3 P820 and Celeron N2940 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 | 3 (Tri-Core) | 4 (Quad-Core) |
| Threads | 3 | 4 |
| Base clock speed | no data | 1.83 GHz |
| Boost clock speed | 1.8 GHz | 2.25 GHz |
| Bus support | 3600 MHz | no data |
| L1 cache | 384 KB | 56K (per core) |
| L2 cache | 1.5 MB | 512K (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 22 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | no data | - |
Compatibility
Information on Phenom II X3 P820 and Celeron N2940 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 | no data | 1 |
| Socket | S1 | FCBGA1170 |
| Power consumption (TDP) | 25 Watt | 7.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Celeron N2940. You'll probably need this information if you require some particular technology.
| Instruction set extensions | integrated DDR3 Memory Controller, Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) | no data |
| AES-NI | no data | - |
| VirusProtect | + | no data |
| Enhanced SpeedStep (EIST) | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Smart Connect | no data | + |
Security technologies
Phenom II X3 P820 and Celeron N2940 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
| Secure Key | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Celeron N2940 are enumerated here.
| AMD-V | + | no data |
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Celeron N2940. Depending on the motherboards, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.32 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Quick Sync Video | no data | + |
| Graphics max frequency | no data | 854 MHz |
Graphics interfaces
Available interfaces and connections of Phenom II X3 P820 and Celeron N2940 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 P820 and Celeron N2940.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 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.
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.
Celeron N2940 outperforms Phenom II X3 P820 by 1% in our combined benchmark results.
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%
Phenom II X3 P820 outperforms Celeron N2940 by 36% 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%
Phenom II X3 P820 outperforms Celeron N2940 by 5% 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%
Celeron N2940 outperforms Phenom II X3 P820 by 7% in 3DMark06 CPU.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Celeron N2940 outperforms Phenom II X3 P820 by 4% in Cinebench 11.5 64-bit multi-core.
Advantages and disadvantages
| Performance score | 0.82 | 0.83 |
| Recency | 12 May 2010 | 22 May 2014 |
| Boost clock speed | 1800 | 2250 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 25 Watt | 7 Watt |
We couldn't decide between Phenom II X3 P820 and Celeron N2940. The differences in performance seem too small.
Should you still have questions on choice between Phenom II X3 P820 and Celeron N2940, ask them in Comments section, and we shall answer.
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