Intel Celeron 877 vs AMD Athlon X2 QL-66
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
General info
Comparing Athlon X2 QL-66 and Celeron 877 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance rating | 2614 | 2600 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Athlon | Intel Celeron |
| Architecture codename | Lion (2008−2009) | Sandy Bridge (2011−2013) |
| Release date | 1 September 2009 (13 years old) | 1 December 2011 (11 years old) |
| Launch price (MSRP) | no data | $86 |
| Current price | $5.99 | $528 (6.1x MSRP) |
Technical specs
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 support | 3600 MHz | no data |
| 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 | - | - |
| Unlocked multiplier | no data | - |
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 |
| Socket | S1g2 | Intel BGA1023 |
| Thermal design power (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 |
| AES-NI | no data | - |
| FMA | no data | + |
| PowerNow | + | no data |
| Enhanced SpeedStep (EIST) | no data | + |
| 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 | no data | + |
| 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 motherboards, 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 | 21.3 GB/s |
| ECC memory support | no data | - |
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 | no data | + |
| HDMI | no data | + |
| 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 |
Benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Overall 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
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.
Benchmark coverage: 67%
Celeron 877 outperforms Athlon X2 QL-66 by 4% in Passmark.
Advantages and disadvantages
| Performance rating | 0.51 | 0.53 |
| Recency | 1 September 2009 | 1 December 2011 |
| Boost clock speed | 2200 | 1400 |
| Chip lithography | 65 nm | 32 nm |
| Thermal design power (TDP) | 35 Watt | 17 Watt |
Technical City couldn't decide between
and
The differences in performance seem too small.
Should you still have questions on choice between Athlon X2 QL-66 and Celeron 877, ask them in Comments section, and we shall answer.
Competitors of Athlon X2 QL-66 by Intel
We believe that the nearest equivalent to Athlon X2 QL-66 by Intel is Core 2 Duo T5600, which is nearly equal in speed and higher by 6 positions in our rating.
Here are some closest Intel rivals to Athlon X2 QL-66:
Competitors of Celeron 877 by AMD
We believe that the nearest equivalent to Celeron 877 by AMD is E2-3000M, which is nearly equal in speed and higher by 10 positions in our rating.
Here are some closest AMD rivals to Celeron 877:
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.
