Celeron U3405 vs A6-3420M
Aggregate performance score
A6-3420M outperforms Celeron U3405 by an impressive 92% 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 | 2915 | 3287 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | Intel Celeron |
| Power efficiency | 0.90 | 0.91 |
| Designer | AMD | Intel |
| Architecture codename | Llano (2011−2012) | Westmere (2010−2011) |
| Release date | 20 December 2011 (14 years ago) | no data |
Detailed specifications
A6-3420M and Celeron U3405 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 | 1.5 GHz | 1.06 GHz |
| Boost clock speed | 2.4 GHz | 0.07 GHz |
| Bus type | no data | DMI 1.0 |
| Bus rate | no data | 1 × 2.5 GT/s |
| Multiplier | no data | 8 |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 1 MB (per core) | 512 KB |
| L3 cache | 0 KB | 2 MB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 228 mm2 | 81 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 1,178 million | 382 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A6-3420M and Celeron U3405 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 (Uniprocessor) |
| Socket | FS1 | BGA1288 |
| Power consumption (TDP) | 35 Watt | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-3420M and Celeron U3405. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480G | no data |
| FMA | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| PAE | no data | 36 Bit |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
A6-3420M and Celeron U3405 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-3420M and Celeron U3405 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-3420M and Celeron U3405. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-800, DDR3-1066 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17.051 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6520G (400 MHz) | Intel HD Graphics for Previous Generation Intel Processors |
| Clear Video | no data | + |
| Graphics max frequency | no data | 500 MHz |
Graphics interfaces
Available interfaces and connections of A6-3420M and Celeron U3405 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by A6-3420M and Celeron U3405.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmarks
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 | 0.75 | 0.39 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 35 Watt | 18 Watt |
A6-3420M has a 92.3% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Celeron U3405, on the other hand, has 94.4% lower power consumption.
The AMD A6-3420M is our recommended choice as it beats the Intel Celeron U3405 in performance tests.
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