Celeron 877 vs Athlon X2 QL-66
Aggregate performance score
Celeron 877 outperforms Athlon X2 QL-66 by a moderate 10% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3145 | 3103 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Athlon | Intel Celeron |
| Power efficiency | 1.10 | 2.49 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Lion (2008−2009) | Sandy Bridge (2011−2013) |
| Release date | 1 September 2009 (15 years ago) | 1 July 2012 (12 years ago) |
| Launch price (MSRP) | no data | $86 |
Detailed specifications
Athlon X2 QL-66 and Celeron 877 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 | 1.4 GHz |
| Boost clock speed | 2.2 GHz | 1.4 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 3600 MHz | 4 × 5 GT/s |
| Multiplier | no data | 14 |
| L1 cache | 256 KB | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | no data | 2 MB (shared) |
| Chip lithography | 65 nm | 32 nm |
| Die size | no data | 131 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | no data | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon X2 QL-66 and Celeron 877 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 | S1g2 | FCBGA1023 |
| Power consumption (TDP) | 35 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X2 QL-66 and Celeron 877. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | Intel® SSE4.1, Intel® SSE4.2 |
| FMA | - | + |
| PowerNow | + | - |
| 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 X2 QL-66 and Celeron 877 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 X2 QL-66 and Celeron 877 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X2 QL-66 and Celeron 877. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for 2nd Generation Intel Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Athlon X2 QL-66 and Celeron 877 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Athlon X2 QL-66 and Celeron 877.
| PCIe version | no data | 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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.40 | 0.44 |
| Recency | 1 September 2009 | 1 July 2012 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 17 Watt |
Celeron 877 has a 10% higher aggregate performance score, an age advantage of 2 years, a 103.1% more advanced lithography process, and 105.9% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between AMD Athlon X2 QL-66 and Intel Celeron 877.
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