Athlon X4 845 vs Athlon X2 QL-64
Aggregate performance score
Athlon X4 845 outperforms Athlon X2 QL-64 by a whopping 513% based on our aggregate benchmark results.
Primary details
Comparing Athlon X2 QL-64 and Athlon X4 845 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3020 | 1786 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 2x AMD Athlon | no data |
| Power efficiency | 1.05 | 3.48 |
| Architecture codename | Lion (2008−2009) | Carrizo (2015−2018) |
| Release date | 1 January 2009 (15 years ago) | 2 February 2016 (8 years ago) |
Detailed specifications
Athlon X2 QL-64 and Athlon X4 845 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 2.1 GHz | 3.8 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 320K |
| L2 cache | 1 MB | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 65 nm | 28 nm |
| Die size | no data | 250 mm2 |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | no data | 3,100 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon X2 QL-64 and Athlon X4 845 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 | S1 | FM2+ |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X2 QL-64 and Athlon X4 845. 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 | no data |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| PowerNow | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X2 QL-64 and Athlon X4 845 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X2 QL-64 and Athlon X4 845. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3-2133 |
Peripherals
Specifications and connection of peripherals supported by Athlon X2 QL-64 and Athlon X4 845.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 8 |
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 | 0.39 | 2.39 |
| Recency | 1 January 2009 | 2 February 2016 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 65 nm | 28 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Athlon X2 QL-64 has 85.7% lower power consumption.
Athlon X4 845, on the other hand, has a 512.8% higher aggregate performance score, an age advantage of 7 years, 100% more physical cores and 100% more threads, and a 132.1% more advanced lithography process.
The Athlon X4 845 is our recommended choice as it beats the Athlon X2 QL-64 in performance tests.
Be aware that Athlon X2 QL-64 is a notebook processor while Athlon X4 845 is a desktop one.
Should you still have questions on choice between Athlon X2 QL-64 and Athlon X4 845, ask them in Comments section, and we shall answer.
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