AMD A4-9120C SoC
AMD processor specifications and benchmark scores
Integrated GPUAt a Glance
AMDAMD A4-9120C SoC Specifications
A4-9120C SoC Core Configuration
Processing cores and threading
The AMD A4-9120C SoC features 2 physical cores and 2 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.
A4-9120C SoC Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in A4-9120C SoC benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The A4-9120C SoC by AMD can dynamically adjust its frequency based on workload and thermal headroom.
AMD's A4-9120C SoC Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the A4-9120C SoC processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The A4-9120C SoC's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Excavator Architecture & Process
Manufacturing and design details
The AMD A4-9120C SoC is built on AMD's 28 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in A4-9120C SoC incorporate advanced branch prediction and out-of-order execution for optimal performance.
Excavator Instruction Set Features
Supported CPU instructions and extensions
The A4-9120C SoC by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.
A4-9120C SoC Power & Thermal
TDP and power specifications
The AMD A4-9120C SoC has a TDP (Thermal Design Power) of 6W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.
AMD Socket FT4 Platform & Socket
Compatibility information
The A4-9120C SoC uses the AMD Socket FT4 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.
AMD Socket FT4 Memory Support
RAM compatibility and speeds
Memory support specifications for the A4-9120C SoC define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the A4-9120C SoC determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.
AMD's A4-9120C SoC Integrated Graphics
Built-in GPU specifications
The AMD A4-9120C SoC includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the A4-9120C SoC provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.
A4-9120C SoC Product Information
Release and pricing details
The AMD A4-9120C SoC is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the A4-9120C SoC by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.
A4-9120C SoC Benchmark Scores
No benchmark data available for this CPU.
About AMD A4-9120C SoC
AMD A4-9120C is a 2-core, 2-thread mobile SoC built on the 28 nm Excavator architecture (Stoney Ridge codename), running at a 1.60 GHz base clock and 2.40 GHz boost clock. It targets the entry-level mobile segment with a 6 W TDP, making it a low-power part designed for basic computing tasks rather than heavy workloads. The data shows a processor positioned at the 50th percentile among all CPUs, indicating mid-pack placement in the overall performance distribution, though its benchmark scores are minimal in the current dataset.
Single-Thread vs Multi-Thread Behavior
The A4-9120C’s design is straightforward: 2 physical cores with no simultaneous multithreading, meaning it processes exactly 2 threads at once. This creates a clear behavioral split. Single-thread performance is driven by the 2.40 GHz boost clock, which is modest by modern standards but sufficient for tasks that rely on one core, such as light web browsing, document editing, or responding to UI interactions. The base clock of 1.60 GHz is low, so sustained single-thread workloads may see the processor drop to this level under thermal or power constraints, reducing responsiveness.
Multi-thread behavior is where the limitation is most evident. With only 2 threads, the SoC cannot parallelize across multiple cores for demanding applications. Any workload that scales across cores—video encoding, compiling, or multitasking with many background processes—will hit a hard ceiling. The lack of L3 cache (null in the data) further hampers multi-threaded efficiency, as the 1 MB shared L2 cache is the only intermediate storage between cores and main memory. Benchmark results indicate that the processor’s strength lies in bursty, low-thread-count tasks; sustained multi-threaded throughput is not its purpose. For real-world use, expect snappy single-app usage but noticeable stutter when multiple threads compete for the two available execution units.
Who Should Consider It
This SoC is for users with minimal compute demands. Office work—word processing, spreadsheets, email, and PDF viewing—fits within its capabilities, as these tasks are largely single-threaded and intermittent. Casual web browsing with a few tabs is acceptable, though heavy JavaScript-heavy sites may cause slowdowns. The integrated Radeon R4E 3CU graphics handles basic display output and video playback, but it is not designed for gaming or GPU-accelerated creative work.
Content creation is not a realistic use case. Video editing, 3D rendering, or large-scale photo manipulation require more cores and higher sustained clocks, which this part lacks. Benchmark scores (currently zero in the dataset) suggest no measurable advantage in such workloads. Gamers should look elsewhere; the 2-thread limit and low boost clock preclude modern titles, even at low settings. The 6 W TDP implies fanless or passively-cooled laptops, so the target user is someone who values portability and battery life over performance. Students, travelers, or those using a secondary device for note-taking and light research are the ideal audience.
Benchmark Performance
The FACT PACK provides no individual benchmark scores (avgBenchmarkScore is 0), and the nearestRivals list is empty, so direct numerical comparisons are unavailable. However, the percentileVsAllCpus field places this SoC at 50, meaning it sits exactly at the median of the CPU performance distribution. This is a neutral position—not a bottom-feeder, but far from a performer. In practical terms, this translates to a processor that handles everyday tasks without embarrassment but cannot compete with even entry-level mainstream chips from its era.
The 1.60 GHz base clock and 2.40 GHz boost clock are low compared to typical mobile processors, which often exceed 3 GHz on boost. The 14.9 GB/s single-channel memory bandwidth further constrains performance, as data transfer between the CPU and DDR4 memory is halved compared to dual-channel setups. This affects memory-intensive workloads like spreadsheet calculations with large datasets or running multiple virtual desktops. The 8 PCIe Gen 3 lanes (CPU only) limit expansion options, so storage and peripheral bandwidth are capped. Overall, the data suggests a processor that meets the minimum requirements for basic computing but has no headroom for demanding applications.
How It Compares
Since no nearest rivals are listed, the comparison must rely on the broader percentile data. At the 50th percentile, this SoC is roughly in the middle of all CPUs ever benchmarked. That includes desktop and server parts, so its mobile-specific standing is likely lower among modern chips. Older, low-end desktop processors from a decade ago might match or exceed it, but they consume far more power. The A4-9120C’s advantage is efficiency, not speed. Against contemporary low-power parts like Intel’s Atom or Celeron lines, it would likely be competitive in single-thread tasks but lose in multi-thread due to fewer threads. Without specific rival scores, the safest conclusion is that this is a baseline processor—adequate for its intended market but not a value outlier in either direction.
Power and Thermals
With a 6 W TDP, the A4-9120C is an ultra-low-power part. This places it in the same class as fanless tablet processors or thin-and-light laptops with passive cooling. The 28 nm process node from GlobalFoundries is not cutting-edge, but the low clock speeds keep heat generation minimal. A capable air cooler—even a small heat sink or a thin heat pipe—is more than sufficient to manage thermals. The 1,200 million transistors on a 125 mm² die size indicate a relatively simple chip, further reducing thermal load.
The practical implication is that this SoC can run silently in a slim chassis without active cooling. Sustained multi-threaded loads may cause thermal throttling, dropping the clock below the 1.60 GHz base, but such loads are unrealistic given the 2-thread limit. For typical office and web use, the processor will stay cool and quiet. The 6 W TDP also means battery life can be excellent in a well-designed laptop, as the CPU draws minimal power. There is no headroom for overclocking (multiplier is locked), so users must accept the stock frequencies. Cooling solutions should prioritize low profile and low noise over high capacity.
FAQ
Q: Does the AMD A4-9120C have integrated graphics?
A: Yes, it includes a Radeon R4E with 3 compute units, suitable for basic display output and video playback.
Q: What memory does it support?
A: It supports DDR4 memory via a single-channel bus, with a maximum bandwidth of 14.9 GB/s. ECC memory is not supported.
Q: Can this SoC handle multitasking with many applications open?
A: With only 2 threads and 1 MB of shared L2 cache, heavy multitasking will cause slowdowns. Light multitasking—a few browser tabs and a word processor—is manageable.
Q: Is the A4-9120C suitable for gaming?
A: No. The 2-thread limit, low boost clock, and minimal integrated graphics (Radeon R4E 3CU) are insufficient for modern games. It lacks the computational and graphical headroom.
Q: What is the production status of this processor?
A: It is end-of-life, having been released on January 6, 2019. It is no longer a current product.
Q: Does it support PCIe and how many lanes?
A: Yes, it provides 8 PCIe Gen 3 lanes, but only from the CPU. This limits expansion options for storage and peripherals.
Q: What is the socket type and is it upgradeable?
A: It uses AMD Socket FT4, which is a low-power mobile socket. Upgradability is typically not a feature in this segment, as the SoC is often soldered to the motherboard.
The Intel Equivalent of A4-9120C SoC
Looking for a similar processor from Intel? The Intel Core i5-9400F offers comparable performance and features in the Intel lineup.
Popular AMD A4-9120C SoC Comparisons
See how the A4-9120C SoC stacks up against similar processors from the same generation and competing brands.
Compare A4-9120C SoC with Other CPUs
Select another CPU to compare specifications and benchmarks side-by-side.
Browse CPUs