Celeron N4505 vs Athlon II X4 638
Aggregate performance score
Celeron N4505 outperforms Athlon II X4 638 by a minimal 1% based on our aggregate benchmark results.
Primary details
Comparing Athlon II X4 638 and Celeron N4505 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2191 | 2186 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 2.06 | 13.48 |
| Architecture codename | Llano (2011−2012) | Jasper Lake (2021) |
| Release date | 6 February 2012 (12 years ago) | 11 January 2021 (3 years ago) |
Detailed specifications
Athlon II X4 638 and Celeron N4505 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 2.7 GHz | 2 GHz |
| Boost clock speed | 2.7 GHz | 2.9 GHz |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 1 MB (per core) | 1.5 MB |
| L3 cache | 0 KB | 4 MB |
| Chip lithography | 32 nm | 10 nm |
| Die size | 228 mm2 | no data |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Athlon II X4 638 and Celeron N4505 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 | FM1 | FCBGA1338 |
| Power consumption (TDP) | 65 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 638 and Celeron N4505. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2 |
| AES-NI | - | + |
| 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
Athlon II X4 638 and Celeron N4505 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 638 and Celeron N4505 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 638 and Celeron N4505. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 750 MHz |
| Execution Units | no data | 16 |
Graphics interfaces
Available interfaces and connections of Athlon II X4 638 and Celeron N4505 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 Athlon II X4 638 and Celeron N4505 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2160@60Hz |
| Max resolution over eDP | no data | 4096x2160@60Hz |
| Max resolution over DisplayPort | no data | 4096x2160@60Hz |
Graphics API support
APIs supported by Athlon II X4 638 and Celeron N4505 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 638 and Celeron N4505.
| PCI Express lanes | no data | 8 |
| USB revision | no data | 2.0/3.2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Number of USB ports | no data | 14 |
| 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.
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 | 1.42 | 1.43 |
| Recency | 6 February 2012 | 11 January 2021 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 10 nm |
| Power consumption (TDP) | 65 Watt | 10 Watt |
Athlon II X4 638 has 100% more physical cores and 100% more threads.
Celeron N4505, on the other hand, has a 0.7% higher aggregate performance score, an age advantage of 8 years, a 220% more advanced lithography process, and 550% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Athlon II X4 638 and Celeron N4505.
Should you still have questions on choice between Athlon II X4 638 and Celeron N4505, ask them in Comments section, and we shall answer.
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