AMD A8-5557M vs AMD A9-9420 SoC
Physical Specifications
| Socket | AMD Socket FP2 | AMD Socket FT4 |
|---|---|---|
| Process size | 32 nm | 28 nm |
| Transistors | 1,178 million | 1,200 million |
| Die size | 246 mm² | 124 mm² |
| Package | BGA2 | BGA |
| tCaseMax | 71°C | 74°C |
Performance
| Frequency | 2.1 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 3.1 GHz | up to 3.6 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 21.0x | 30.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.475 V | — |
| TDP | 35 W | 15 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | unknown | Active |
| Release date | Jun 1st, 2013 | May 31st, 2016 |
| Codename | Richland | Stoney Ridge |
| Generation | A8 | A9 |
| Part | AM5557DFE44HL | AM9420AYN23AC |
| Memory support | DDR3 Dual-channel | DDR4 |
| ECC memory | No | No |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Radeon HD 8550G | Radeon R5 |
Cache
| Cache L1 | 128K (per core) | 128K (per core) |
|---|---|---|
| Cache L2 | 1MB (per core) | 1MB (per core) |
Features & Technologies
| 3DNow! | Yes | Yes |
|---|---|---|
| AES | — | Yes |
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| CnQ | Yes | — |
| EVP | — | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| FMA4 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | Yes |
| TBM | — | Yes |
| Turbo Core | — | Yes |
| XOP | — | Yes |
