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Raspberry Pi 4 B (Broadcom BCM2711) vs AMD RX-421BD
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
iGPU - FP32 Performance (Single-precision GFLOPS)
Broadcom VideoCore VI
AMD RX-421BD
100 %
AMD Radeon R7 - 512 (Merlin Falcon)
More benchmarks
Specifications
At a glance
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Family | Broadcom BCM (3) | AMD R (6) |
| CPU group | Broadcom BCM2711 (1) | AMD RX 1st Gen. (6) |
| Architecture | Cortex-A72 | Merlin Falcon (Excavator) |
| Technology | 28 nm | 28 nm |
| Segment | Desktop | Notebook |
| Socket | FP4 | |
| Predecessor | Raspberry Pi 3 B+ (Broadcom BCM2837B0) | |
| Successor | Raspberry Pi 5 B (Broadcom BCM2712) |
CPU Cores and Base Frequency
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| CPU Cores / Threads | 4 / 4 | 4 / 4 |
| Hyperthreading / SMT | ✗ | ✗ |
| Core architecture | normal | normal |
| Cores: | 4x Cortex-A72 | 4x |
| Frequency: | 1.50 GHz | 2.10 GHz |
| Turbo (1 Core): | 3.40 GHz | |
| Turbo (All Cores): | ||
| L2-Cache | 1.00 MB | 2.00 MB |
| L3-Cache | ||
| Overclocking | ✓ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| GPU name | Broadcom VideoCore VI | AMD Radeon R7 - 512 (Merlin Falcon) |
| GPU frequency | 0.50 GHz | 0.80 GHz |
| CUs / Shader | 4 / 64 | 8 / 512 |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | 3 |
| Max. GPU Memory | 2 GB | 2 GB |
| Technology | 28 nm | 28 |
| Release date | Q2/2019 | 2015 |
NPU AI performance
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Memory | LPDDR4-3200 (12.8 GB/s) | DDR4-2400 (38.4 GB/s) DDR3-2133 (34.2 GB/s) |
| Max. Memory | 8 GB | |
| Memory channels | 1 | 2 |
| ECC | No | Yes |
| PCIe | 3.0 x 12 | |
| PCIe Bandwidth | 11.8 GB/s |
Thermal Management
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| TDP | 7.5 W | 35 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 3 W | 12 W |
| T. junction max. | 90 °C |
Technical details
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Chip design | Monolithic | Unknown |
| AES-NI | ✗ | ✓ |
| Operating systems | Windows 11 (ARM), Linux | |
| Instruction set | Armv8-A (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | |
| Release date | 06/2019 | Q4/2015 |
| Release price | 35 $ | |
| Documents | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Raspberry Pi 4 B (Broadcom BCM2711) is 3.9 stars (60 ratings), while AMD RX-421BD has received 0 stars (0 ratings).
Click on the stars to rate one or both processors.
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