| Name: | AMD RX-421BD |
| Family: | AMD R |
| Group: | AMD RX 1st Gen. |
| Segment: | Mobile |
| Generation: | 1 |
AMD RX-421BD Benchmark, Test and specs
Last updated:
CPU lineage
The AMD RX-421BD features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q4/2015 and belongs to the 1 generation of the AMD R series. To use the AMD RX-421BD, you'll need a motherboard with a FP4 socket.
CPU Cores and Base Frequency
The AMD RX-421BD has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD RX-421BD is 2.1 GHz and turbo frequency for one core is 3.4 GHz.
| CPU Cores: | 4 |
| Threads: | 4 |
| Cores: | 4x |
| Core architecture: | normal |
| Hyperthreading: | No |
| Overclocking: | No |
| Frequency: | 2.1 GHz |
| Turbo Frequency (1 core): | 3.4 GHz |
Internal Graphics
The AMD RX-421BD has integrated graphics, called iGPU for short. Specifically, the AMD RX-421BD uses the AMD Radeon R7 - 512 (Merlin Falcon), which has 512 texture shaders and 8 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
| GPU name: | AMD Radeon R7 - 512 (Merlin Falcon) |
| GPU frequency: | 0.8 GHz |
| GPU (Turbo): | -- |
| Execution units: | 8 |
| Shaders: | 512 |
| Max. GPU Memory: | 2.0 GB |
| Max. displays: | -- |
| Generation: | 3 |
| Direct X: | 12 |
| Technology: | 28 nm |
| Release date: | 2015 |
Hardware codec support
A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
| 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: | DDR3-2133, DDR4-2400 |
| Max. Memory: | 0 bytes |
| Memory channels: | 2 |
| Bandwidth: | -- |
| ECC: | Yes |
| PCIe: | pci |
| AES-NI: | Yes |
Thermal Management
The processor has a thermal design power (TDP) of 35 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
| TDP (PL1 / PBP): | 35 W |
| TDP (PL2): | None |
| TDP up: | None |
| TDP down: | 12 W |
| Tjunction max: | 90 °C |
Technical details
The AMD RX-421BD is manufactured using a 28 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
| Technology: | 28 nm |
| Chip design: | -- |
| Socket: | FP4 |
| L2-Cache: | 2.0 MB |
| L3-Cache: | 0 bytes |
| 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: | Technical data sheet |
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Benchmarks
iGPU - FP32 Performance (Single-precision GFLOPS)
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Intel Core i7-13700TE
16C 24T @ 1.1 GHz
|
820
|
|
|
Intel Core i7-13700E
16C 24T @ 1.9 GHz
|
820
|
|
|
AMD RX-421BD
4C 4T @ 2.1 GHz
|
820
|
|
AMD Opteron X3421
4C 4T @ 2.1 GHz
|
820
|
|
|
Intel Core i7-13700T
16C 24T @ 1.4 GHz
|
820
|
