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Raspberry Pi 4 B (Broadcom BCM2711) vs AMD RX-421BD
Dernière mise à jour:
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Wischen
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Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Famille | Broadcom BCM (3) | AMD R (6) |
| Groupe de processeurs | Broadcom BCM2711 (1) | AMD RX 1st Gen. (6) |
| Architecture | Cortex-A72 | Merlin Falcon (Excavator) |
| La technologie | 28 nm | 28 nm |
| Segment | Desktop | Notebook |
| Socket | FP4 | |
| Prédécesseur | Raspberry Pi 3 B+ (Broadcom BCM2837B0) | |
| Successeur | Raspberry Pi 5 B (Broadcom BCM2712) |
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Wischen
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Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| CPU Cores / Threads | 4 / 4 | 4 / 4 |
| Hyperthreading / SMT | ✗ | ✗ |
| Architecture de base | normal | normal |
| Cores: | 4x Cortex-A72 | 4x |
| La fréquence: | 1.50 GHz | 2.10 GHz |
| Turbo (1 Core): | 3.40 GHz | |
| Turbo (Tout Cores): | ||
| L2-Cache | 1.00 MB | 2.00 MB |
| L3-Cache | ||
| Overclocking | ✓ | ✗ |
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Wischen
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Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Nom du GPU | Broadcom VideoCore VI | AMD Radeon R7 - 512 (Merlin Falcon) |
| Fréquence GPU | 0.50 GHz | 0.80 GHz |
| CUs / Shader | 4 / 64 | 8 / 512 |
| Raytracing | ✗ | ✗ |
| Max. affiche | 2 | 3 |
| Max. GPU Mémoire | 2 Go | 2 Go |
| La technologie | 28 nm | 28 |
| Date de sortie | Q2/2019 | 2015 |
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Wischen
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Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Matériel AI | ||
| Spécifications de l'IA | ||
| NPU + CPU + iGPU |
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Wischen
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Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Mémoire | LPDDR4-3200 (12.8 Go/s) | DDR4-2400 (38.4 Go/s) DDR3-2133 (34.2 Go/s) |
| Max. Mémoire | 8 Go | |
| Canaux de mémoire | 1 | 2 |
| ECC | Non | Oui |
| PCIe | 3.0 x 12 | |
| PCIe Bande passante | 11.8 Go/s |
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Wischen
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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 |
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Wischen
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Raspberry Pi 4 B (Broadcom BCM2711) | AMD RX-421BD |
|---|---|---|
| Conception de puce | Monolithique | Inconnu |
| AES-NI | ✗ | ✓ |
| Systèmes d'exploitation | Windows 11 (ARM), Linux | |
| Jeu d'instructions | Armv8-A (64 bit) | x86-64 (64 bit) |
| Extensions ISA | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | |
| Date de sortie | 06/2019 | Q4/2015 |
| Prix de sortie | 35 $ | |
| Documents | Fiche technique |