Phenom II X2 N640 vs Celeron N4000C
Aggregate performance score
Phenom II X2 N640 outperforms Celeron N4000C by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing Celeron N4000C and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2537 | 2520 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | 2x AMD Phenom II |
| Power efficiency | 13.98 | 2.45 |
| Architecture codename | no data | Champlain (2010−2011) |
| Release date | 1 April 2019 (5 years ago) | 1 October 2010 (14 years ago) |
Detailed specifications
Celeron N4000C and Phenom II X2 N640 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 | no data |
| Boost clock speed | 2.6 GHz | 2.9 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | no data | 256 KB |
| L2 cache | no data | 2 MB |
| L3 cache | 4 MB | no data |
| Chip lithography | 14 nm | 45 nm |
| Maximum core temperature | 105 deg C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron N4000C and Phenom II X2 N640 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 | no data |
| Socket | FCBGA1090 | S1 |
| Power consumption (TDP) | 6 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N4000C and Phenom II X2 N640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization |
| AES-NI | + | - |
| VirusProtect | - | + |
| vPro | - | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Smart Response | - | no data |
| GPIO | + | no data |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Celeron N4000C and Phenom II X2 N640 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N4000C and Phenom II X2 N640 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N4000C and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4/LPDDR4 up to 2400 MT/s | DDR3 |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 600 | no data |
| Max video memory | 8 GB | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 650 MHz | no data |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Celeron N4000C and Phenom II X2 N640 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| MIPI-DSI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron N4000C and Phenom II X2 N640 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
Graphics API support
APIs supported by Celeron N4000C and Phenom II X2 N640 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron N4000C and Phenom II X2 N640.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 6 | no data |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | - | no data |
| UART | + | no data |
Pros & cons summary
| Performance score | 0.92 | 0.94 |
| Recency | 1 April 2019 | 1 October 2010 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 6 Watt | 35 Watt |
Celeron N4000C has an age advantage of 8 years, a 221.4% more advanced lithography process, and 483.3% lower power consumption.
Phenom II X2 N640, on the other hand, has a 2.2% higher aggregate performance score.
Given the minimal performance differences, no clear winner can be declared between Celeron N4000C and Phenom II X2 N640.
Should you still have questions on choice between Celeron N4000C and Phenom II X2 N640, 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.
