A9-9820 vs i5-11400F
Aggregate performance score
Core i5-11400F outperforms A9-9820 by a whopping 325% 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 | 1045 | 2164 |
| Place by popularity | 41 | not in top-100 |
| Cost-effectiveness evaluation | 16.34 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 6.27 | 0.71 |
| Designer | Intel | AMD |
| Manufacturer | Intel | GlobalFoundries |
| Architecture codename | Rocket Lake (2021) | Cato (2019) |
| Release date | 16 March 2021 (5 years ago) | 7 April 2019 (7 years ago) |
| Launch price (MSRP) | $157 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Core i5-11400F and A9-9820: 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 | 6 (Hexa-Core) | 8 (Octa-Core) |
| Threads | 12 | 8 |
| Base clock speed | 2.6 GHz | 2.35 GHz |
| Boost clock speed | 4.4 GHz | 0.04 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 2 MB (per module) |
| L3 cache | 12 MB (shared) | no data |
| Chip lithography | 14 nm | 28 nm |
| Die size | 276 mm2 | 363 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 5 billion |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i5-11400F and A9-9820 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 | FCLGA1200 | AMD BGA 1443 |
| Power consumption (TDP) | 65 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-11400F and A9-9820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| PowerNow | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Turbo Boost Max 3.0 | - | no data |
| Deep Learning Boost | + | - |
Security technologies
Core i5-11400F and A9-9820 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | + | - |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-11400F and A9-9820 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-11400F and A9-9820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 50 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Radeon RX 350 |
Peripherals
Specifications and connection of peripherals supported by Core i5-11400F and A9-9820.
| PCIe version | 4.0 | 2.0 |
| PCI Express lanes | 20 | 8 |
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 | 9.85 | 2.32 |
| Recency | 16 March 2021 | 7 April 2019 |
| Physical cores | 6 | 8 |
| Threads | 12 | 8 |
| Chip lithography | 14 nm | 28 nm |
| Power consumption (TDP) | 65 Watt | 135 Watt |
i5-11400F has a 76% higher aggregate performance score, an age advantage of 1 year, 33% more threads, a 50% more advanced lithography process, and 52% lower power consumption.
A9-9820, on the other hand, has 25% more physical cores.
The Intel Core i5-11400F is our recommended choice as it beats the AMD A9-9820 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
