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Raspberry Pi 4 B (Broadcom BCM2711) vs AMD E-450
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Summary
The AMD E-450, introduced in 2011 for netbooks and entry-level laptops, is based on the 32 nm Zacate (Bobcat) architecture.
It features two cores and two threads, 0 MB L2 cache, 1 MB L3 cache, and an AMD Radeon HD 6320 graphics unit. Its TDP is approximately 18 watts. The maximum memory bandwidth is 11 GB/s. In contrast, the Raspberry Pi 4 B, with its Broadcom BCM2711 processor, appeared in 2019 and is aimed at hobbyists and developers for embedded systems.
It is manufactured in 28 nm, uses the Cortex-A72 architecture with four cores, four threads, and 1 MB L2 cache. The maximum memory bandwidth is 13 GB/s, and the graphics unit is the Broadcom VideoCore VI. The entire Raspberry Pi 4 B board consumes only 5 to 8 watts under load. In a performance comparison, the Broadcom BCM2711 significantly outperforms the AMD E-450 in single-core performance.
The quad-core architecture of the Broadcom BCM2711 also ensures higher multi-core performance than the dual-core AMD E-450. Neither processor is primarily designed for gaming; however, the Raspberry Pi 4 B is better suited for emulation and simple games due to its more modern Broadcom VideoCore VI graphics unit.
The Broadcom BCM2711 is also significantly more energy-efficient than the AMD E-450 with its higher TDP. The AMD E-450 is an outdated processor whose price-performance ratio is low today. The Raspberry Pi 4 B (Broadcom BCM2711), as part of a complete system, offers an excellent price-performance ratio for modern, power-saving applications and is the clearly superior choice for most current requirements.
The AMD E-450 is best suited for continuing to operate legacy systems.
It features two cores and two threads, 0 MB L2 cache, 1 MB L3 cache, and an AMD Radeon HD 6320 graphics unit. Its TDP is approximately 18 watts. The maximum memory bandwidth is 11 GB/s. In contrast, the Raspberry Pi 4 B, with its Broadcom BCM2711 processor, appeared in 2019 and is aimed at hobbyists and developers for embedded systems.
It is manufactured in 28 nm, uses the Cortex-A72 architecture with four cores, four threads, and 1 MB L2 cache. The maximum memory bandwidth is 13 GB/s, and the graphics unit is the Broadcom VideoCore VI. The entire Raspberry Pi 4 B board consumes only 5 to 8 watts under load. In a performance comparison, the Broadcom BCM2711 significantly outperforms the AMD E-450 in single-core performance.
The quad-core architecture of the Broadcom BCM2711 also ensures higher multi-core performance than the dual-core AMD E-450. Neither processor is primarily designed for gaming; however, the Raspberry Pi 4 B is better suited for emulation and simple games due to its more modern Broadcom VideoCore VI graphics unit.
The Broadcom BCM2711 is also significantly more energy-efficient than the AMD E-450 with its higher TDP. The AMD E-450 is an outdated processor whose price-performance ratio is low today. The Raspberry Pi 4 B (Broadcom BCM2711), as part of a complete system, offers an excellent price-performance ratio for modern, power-saving applications and is the clearly superior choice for most current requirements.
The AMD E-450 is best suited for continuing to operate legacy systems.
AMD E-450
- Zacate (Bobcat) architecture
- Two cores, two threads
- AMD Radeon HD 6320 graphics unit
- TDP of 18 watts
Raspberry Pi 4 B (Broadcom BCM2711)
- Cortex-A72 architecture
- Four cores, four threads
- Broadcom VideoCore VI graphics unit
- Very low power consumption (5-8W board)
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 5, 64bit Single-Core
Single-core performance
4C / 4T · 1.50 GHz
AMD E-450
60 %
2C / 2T · 1.65 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
4C / 4T · 1.50 GHz
AMD E-450
37 %
2C / 2T · 1.65 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Broadcom VideoCore VI
AMD E-450
100 %
AMD Radeon HD 6320
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837 entries
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Cinebench R11.5 iGPU
383 entries
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Specifications
At a glance
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD E-450 |
|---|---|---|
| Family | Broadcom BCM (3) | AMD E (23) |
| CPU group | Broadcom BCM2711 (1) | AMD E/E1/E2-1000 (5) |
| Architecture | Cortex-A72 | Zacate (Bobcat) |
| Technology | 28 nm | 32 nm |
| Segment | Desktop | Notebook |
| Socket | BGA 413 | |
| 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 E-450 |
|---|---|---|
| CPU Cores / Threads | 4 / 4 | 2 / 2 |
| Hyperthreading / SMT | ✗ | ✗ |
| Core architecture | normal | normal |
| Cores: | 4x Cortex-A72 | 2x |
| Frequency: | 1.50 GHz | 1.65 GHz |
| Turbo (1 Core): | ||
| Turbo (All Cores): | ||
| L2-Cache | 1.00 MB | |
| L3-Cache | 1.00 MB | |
| Overclocking | ✓ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD E-450 |
|---|---|---|
| GPU name | Broadcom VideoCore VI | AMD Radeon HD 6320 |
| GPU frequency | 0.50 GHz | 0.51 GHz |
| CUs / Shader | 4 / 64 | 1 / 80 |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | 2 |
| Max. GPU Memory | 2 GB | 1 GB |
| Technology | 28 nm | 40 nm |
| Release date | Q2/2019 | Q4/2010 |
NPU AI performance
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD E-450 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD E-450 |
|---|---|---|
| Memory | LPDDR4-3200 (12.8 GB/s) | DDR3-1333 (10.7 GB/s) |
| Max. Memory | 8 GB | 8 GB |
| Memory channels | 1 | 1 |
| ECC | No | No |
| PCIe | ||
| PCIe Bandwidth |
Thermal Management
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD E-450 |
|---|---|---|
| TDP | 7.5 W | 18 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 3 W | |
| T. junction max. |
Technical details
|
Wischen
|
Raspberry Pi 4 B (Broadcom BCM2711) | AMD E-450 |
|---|---|---|
| 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 | |
| Release date | 06/2019 | Q3/2011 |
| 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 (61 ratings), while AMD E-450 has received 3.2 stars (16 ratings).
Click on the stars to rate one or both processors.
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