AMD A9-9420 vs AMD A8-7100
The A8-7100 has 5% better performance than the A9-9420 for the 3DMark 11 Performance Physics benchmark.
We do not have any performance per dollar data for the A9-9420 and the A8-7100 for the 3DMark 11 Performance Physics benchmark.
Summary
About the AMD A9-9420 CPU
The AMD A9-9420 is an end-of-life 2-core (2-thread) processor built for the mobile CPU market. It launched in Q2 2016. It is part of AMD's A9 lineup, which is based on the Stoney Ridge microarchitecture. The A9-9420 is compatible with AMD Socket FT4 motherboards and is fabricated on GlobalFoundries's 28 nm manufacturing process. It features the Radeon R5 3CU integrated graphics solution.
Memory and Cache
The A9-9420 supports DDR4 memory and features a single-channel memory controller, allowing it to utilize 1 memory modules simultaneously. In terms of cache, the A9-9420 has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 160 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 1 MB, is larger but slower than the L1.
Cores and Clock Speeds
The A9-9420 features 2 total cores which can process 2 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.0 GHz, and it can boost up to 3.6 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is locked, making it incapable of overclocking for pushing performance further.
Integrated Graphics
The A9-9420 includes an integrated graphics solution called Radeon R5 3CU. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.
Benchmark Performance
The A9-9420 has the 653rd best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 4.41% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D.
About the AMD A8-7100 CPU
The AMD A8-7100 is a 4-core (4-thread) processor built for the mobile CPU market. The A8-7100 is compatible with Socket FP3 (906) motherboards and is fabricated on a 28 nm manufacturing process. It features the Radeon R5 Series integrated graphics solution.
Memory and Cache
In terms of cache, the A8-7100 has a L2 cache of 4 MB in size which provides fast access to instructions and data.
Cores and Clock Speeds
The A8-7100 features 4 total cores which can process 4 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 1800.0 MHz, and it can boost up to 3000.0 MHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture.
Integrated Graphics
The A8-7100 includes an integrated graphics solution called Radeon R5 Series. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.
Benchmark Performance
The A8-7100 has the 647th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 4.62% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D.
General Info
General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | A9-9420 | A8-7100 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Series | A9 | -- |
| Market Segment | Mobile | Mobile |
| Release Date | Q2 2016 | -- |
| Production Status | End-of-life | -- |
| Shop | Check Price | Check Price |
Benchmark Performance
The A8-7100 has 5% better performance than the A9-9420 for the 3DMark 11 Performance Physics benchmark.
The A9-9420 is ranked 653rd with a score of 1,632, and the A8-7100 is ranked 647th with a score of 1,710.
We do not have any performance per dollar data for the A9-9420 and the A8-7100 for the 3DMark 11 Performance Physics benchmark.
Relative Performance
The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.
| CPU | Benchmark Performance | |
|---|---|---|
| E2-7110 | 1,725 | +6% |
| Celeron N4000 | 1,712.5 | +5% |
| A8-7100 | 1,710 | +5% |
| Celeron N2930 | 1,679 | +3% |
| A8-4555M | 1,654 | +1% |
| A4-5000 | 1,635 | +0% |
| Celeron N2940 | 1,635 | +0% |
| A9-9420 | 1,632 | |
| Pentium N3510 | 1,619 | -1% |
| Celeron 2955U | 1,604 | -2% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.
| CPU | Performance Per Dollar | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance per dollar with other CPUs. | |||
Benchmark Scores
This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.
- Popular
| Benchmark | A9-9420 | A8-7100 |
|---|---|---|
| 3DMark 11 Performance Physics | 1,632 | 1,710 (+4.78%) |
| Cinebench R15 Multi-Core | 134 (+0.75%) | 133 |
| Cinebench R15 Single-Core | 81 (+84.09%) | 44 |
| Geekbench 6.2 Multi-Core | -- | 584 |
| Geekbench 6.2 Single-Core | -- | 263 |
| CPU Mark Multi-Thread | 1,497 | -- |
| CPU Mark Single-Thread | 1,292 | -- |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | A9-9420 | A8-7100 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Foundry | GlobalFoundries | -- |
| Process Size | 28 nm | 28 nm |
| Transistors | 1,200 million | 2,410 million |
Architecture
CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.
| Spec | A9-9420 | A8-7100 |
|---|---|---|
| Series | A9 | -- |
| Microarchitecture | Stoney Ridge | -- |
| Codename | Stoney Ridge | Bald Eagle |
| Memory Support | DDR4 | -- |
| Memory Channels | Single-channel | -- |
| ECC Memory | No | -- |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.
| Spec | A9-9420 | A8-7100 |
|---|---|---|
| Cores | 2 | 4 |
| Threads | 2 | 4 |
| Clock Speed | 3.0 GHz | 1800.0 MHz |
| Turbo Clock | 3.6 GHz | 3000.0 MHz |
| Base Clock | 100 MHz | -- |
| Multiplier | 30.0x | -- |
| Multiplier Unlocked | No | -- |
Cache
CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.
| Spec | A9-9420 | A8-7100 |
|---|---|---|
| L1 Cache | 160 KB | -- |
| L2 Cache | 1 MB | 4 MB |
Compatibility & Power Consumption
Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.
| Spec | A9-9420 | A8-7100 |
|---|---|---|
| Socket | AMD Socket FT4 | Socket FP3 (906) |
| PCI Express | PCIe 3.0 x8 | -- |
| Thermal Design Power (TDP) | 15 W | 19 W |
| TJ Max | 90 °C | -- |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | A9-9420 | A8-7100 |
|---|---|---|
| Integrated Graphics | Radeon R5 3CU | Radeon R5 Series |
| Extensions / Technologies | MMX, 3DNow!, SSE, SSE2, SSE3, SSE4, SSE4.1, SSE4.2, SSE4A, AMD64, AES, AVX, AVX2, BMI1, BMI2, FMA3, FMA4, F16C, TBM, XOP, AMD-V, EVP, Turbo Core | -- |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.