Русский 
Deutsch 
Português 
Italiano 
Français 
日本語 
Español 
Polski 
简体中文 
한국어 
AMD RX-421BD specs
Complete list of technical specificationsCPU generation and family
Information about the AMD RX-421BD segment (for desktops or laptops) and the CPU family, along with the sales starting date.
| Specification | Value |
|---|---|
| Name | AMD RX-421BD |
| Family | AMD R |
| CPU group | AMD RX 1st Gen. |
| Segment | Mobile |
| Generation | 1 |
| Predecessor | -- |
| Successor | -- |
CPU Cores and Base Frequency
Technical and quantitative specifications of the AMD RX-421BD: number of cores and threads, base and maximum frequencies. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value |
|---|---|
| CPU Cores / Threads | 4 / 4 |
| Core architecture | normal |
| Cores | 4x |
| Hyperthreading / SMT | No |
| Overclocking | No |
| Frequency | 2.10 GHz |
| Turbo Frequency (1 Core) | 3.40 GHz |
| Turbo Frequency (4 Cores) | -- |
Internal Graphics
Common specifications for the integrated graphics card in AMD RX-421BD along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name | AMD Radeon R7 - 512 (Merlin Falcon) |
| GPU frequency | 0.80 GHz |
| GPU (Turbo) | No turbo |
| Execution units | 8 |
| Shader | 512 |
| Max. GPU Memory | 2 GB |
| Max. displays | 3 |
| Generation | 3 |
| Direct X | 12 |
| Technology | 28 |
| Release date | 2015 |
Hardware codec support
List of video codecs supported by the AMD RX-421BD CPU. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) | Decode |
| h265 / HEVC (10 bit) | No |
| h264 | Decode / Encode |
| VP8 | No |
| VP9 | No |
| AV1 | No |
| AVC | No |
| VC-1 | No |
| JPEG | Decode |
Memory & PCIe
Memory type, clock frequency, multi-channel features, and PCIe version of the AMD RX-421BD. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value |
|---|---|
| Memory type | DDR3-2133, DDR4-2400 |
| Max. Memory | |
| Memory channels | 2 (Dual Channel) |
| Bandwidth | -- |
| ECC | Yes |
| PCIe | 3 x 12 |
| AES-NI | Yes |
Thermal Management
Let's find out what TDP has the AMD RX-421BD? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value |
|---|---|
| TDP (PL1) | 35 W |
| TDP (PL2) | -- |
| TDP up | -- |
| TDP down | 12 W |
| Tjunction max. | 90 \xc2\xb0C |
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for the AMD RX-421BD CPU along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Technology | 28 nm |
| Chip design | |
| Socket | FP4 |
| L2-Cache | 2.00 MB |
| L3-Cache | -- |
| Architecture | Merlin Falcon (Excavator) |
| Operating systems | |
| Virtualization | AMD-V, AMD-Vt |
| Instruction set (ISA) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| Release date | Q4/2015 |
| Release price | -- |
| Part Number | RE421BAAY43KA |
| Documents | -- |
