Celeron N4000 vs Phenom II X2 N640
Aggregate performance score
Celeron N4000 outperforms Phenom II X2 N640 by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 N640 and Celeron N4000 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2545 | 2528 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Phenom II | Intel Celeron |
| Power efficiency | 2.46 | 14.68 |
| Architecture codename | Champlain (2010−2011) | Goldmont Plus (2017) |
| Release date | 1 October 2010 (14 years ago) | 11 December 2017 (7 years ago) |
| Launch price (MSRP) | no data | $107 |
Detailed specifications
Phenom II X2 N640 and Celeron N4000 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 | no data | 1.1 GHz |
| Boost clock speed | 2.9 GHz | 2.6 GHz |
| Bus rate | 3600 MHz | no data |
| Multiplier | no data | 11 |
| L1 cache | 256 KB | 112 KB |
| L2 cache | 2 MB | 4 MB |
| L3 cache | no data | 4 MB |
| Chip lithography | 45 nm | 14 nm |
| Maximum core temperature | no data | 105 deg C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Phenom II X2 N640 and Celeron N4000 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 (Uniprocessor) |
| Socket | S1 | FCBGA1090 |
| Power consumption (TDP) | 35 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 N640 and Celeron N4000. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization | Intel® SSE4.2 |
| AES-NI | - | + |
| VirusProtect | + | - |
| 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
Phenom II X2 N640 and Celeron N4000 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X2 N640 and Celeron N4000 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 Phenom II X2 N640 and Celeron N4000. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 38.397 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 600 |
| Max video memory | no data | 8 GB |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 650 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Phenom II X2 N640 and Celeron N4000 integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| MIPI-DSI | no data | + |
Graphics image quality
Maximum display resolutions supported by Phenom II X2 N640 and Celeron N4000 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
Graphics API support
APIs supported by Phenom II X2 N640 and Celeron N4000 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X2 N640 and Celeron N4000.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 6 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | - |
| UART | 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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
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.
Pros & cons summary
| Performance score | 0.91 | 0.93 |
| Recency | 1 October 2010 | 11 December 2017 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 6 Watt |
Celeron N4000 has a 2.2% higher aggregate performance score, an age advantage of 7 years, a 221.4% more advanced lithography process, and 483.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Phenom II X2 N640 and Celeron N4000.
Should you still have questions on choice between Phenom II X2 N640 and Celeron N4000, ask them in Comments section, and we shall answer.
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