Celeron 1005M vs Athlon II X2 255
Aggregate performance score
Athlon II X2 255 outperforms Celeron 1005M by a small 6% based on our aggregate benchmark results.
Primary details
Comparing Athlon II X2 255 and Celeron 1005M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2680 | 2720 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.02 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 1.08 | 1.89 |
| Architecture codename | Regor (2009−2013) | Ivy Bridge (2012−2013) |
| Release date | 25 January 2010 (14 years ago) | 1 July 2013 (11 years ago) |
| Launch price (MSRP) | $60 | $86 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X2 255 and Celeron 1005M 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 | 3.1 GHz | 1.9 GHz |
| Boost clock speed | 3.1 GHz | 1.9 GHz |
| Bus rate | no data | 5 GT/s |
| L1 cache | 128 KB | 128 KB |
| L2 cache | 1 MB | 512 KB |
| L3 cache | 0 KB | 2 MB |
| Chip lithography | 45 nm | 22 nm |
| Die size | 117 mm2 | 94 mm2 |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 410 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X2 255 and Celeron 1005M 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 | AM3 | FCPGA988 |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X2 255 and Celeron 1005M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| Enhanced SpeedStep (EIST) | no data | + |
| My WiFi | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | - |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Athlon II X2 255 and Celeron 1005M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X2 255 and Celeron 1005M 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 Athlon II X2 255 and Celeron 1005M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for 3rd Generation Intel Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Athlon II X2 255 and Celeron 1005M integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Athlon II X2 255 and Celeron 1005M.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 16 |
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.
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.
Pros & cons summary
| Performance score | 0.74 | 0.70 |
| Recency | 25 January 2010 | 1 July 2013 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Athlon II X2 255 has a 5.7% higher aggregate performance score.
Celeron 1005M, on the other hand, has an age advantage of 3 years, a 104.5% more advanced lithography process, and 85.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Athlon II X2 255 and Celeron 1005M.
Note that Athlon II X2 255 is a desktop processor while Celeron 1005M is a notebook one.
Should you still have questions on choice between Athlon II X2 255 and Celeron 1005M, ask them in Comments section, and we shall answer.
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