Core i3-9100F vs A8-3870K
Aggregate performance score
i3-9100F outperforms A8-3870K by a whopping 193% based on our aggregate benchmark results.
Primary details
Comparing A8-3870K and Core i3-9100F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2066 | 1287 |
| Place by popularity | not in top-100 | 34 |
| Cost-effectiveness evaluation | 3.20 | 15.90 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i3 |
| Architecture codename | Llano (2011−2012) | Coffee Lake-R (2018−2019) |
| Release date | 20 December 2011 (12 years ago) | 23 April 2019 (5 years ago) |
| Launch price (MSRP) | no data | $122 |
| Current price | $32 | $95 (0.8x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
i3-9100F has 397% better value for money than A8-3870K.
Detailed specifications
A8-3870K and Core i3-9100F 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3 GHz | 3.6 GHz |
| Boost clock speed | 3 GHz | 4.2 GHz |
| Bus support | no data | 4 × 8 GT/s |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 1 MB (per core) | 1 MB |
| L3 cache | 0 KB | 6 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 228 mm2 | 126 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | Yes | No |
Compatibility
Information on A8-3870K and Core i3-9100F 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 | FM1 | FCLGA1151 |
| Power consumption (TDP) | 100 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-3870K and Core i3-9100F. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | - |
| TSX | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| SIPP | no data | - |
| Status | no data | Discontinued |
Security technologies
A8-3870K and Core i3-9100F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | no data | + |
| Identity Protection | no data | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-3870K and Core i3-9100F 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 A8-3870K and Core i3-9100F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 37.5 GB/s |
| ECC memory support | no data | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6550D | - |
Peripherals
Specifications and connection of peripherals supported by A8-3870K and Core i3-9100F.
| PCIe version | no data | 3.0 |
| 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. 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.
Core i3-9100F outperforms A8-3870K by 193% based on our aggregate benchmark results.
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: 68%
Core i3-9100F outperforms A8-3870K by 192% in Passmark.
Pros & cons summary
| Performance score | 1.49 | 4.36 |
| Recency | 20 December 2011 | 23 April 2019 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 100 Watt | 65 Watt |
The Core i3-9100F is our recommended choice as it beats the A8-3870K in performance tests.
Should you still have questions on choice between A8-3870K and Core i3-9100F, ask them in Comments section, and we shall answer.
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