The Raspberry Pi has become the go-to mini-computer for hobbyists, developers, and educators worldwide. With the Raspberry Pi 5 and its 8GB RAM variant, the performance bar has been raised significantly. But how does it truly stack up against older models like the Raspberry Pi 4 or Raspberry Pi 3? In this in-depth blog, we analyze performance benchmarks, real-world use cases, and whether upgrading is worth it.
1. Key Hardware Improvements in Raspberry Pi 5
The Raspberry Pi 5 offers multiple upgrades that directly influence performance:
- CPU Upgrade: Quad-core ARM Cortex-A76 @ 2.4 GHz (vs Cortex-A72 @ 1.5 GHz on Pi 4).
- GPU Upgrade: VideoCore VII with better graphics acceleration.
- Memory Options: Up to 8GB LPDDR4X RAM, doubling the previous maximum.
- Storage & I/O: USB 3.0 improvements and PCIe/NVMe SSD support via adapter.
- Networking: Gigabit Ethernet and optional faster wireless protocols.
These upgrades are not just spec sheets — they translate to real performance boosts for multitasking, media playback, and computational tasks.
2. CPU and Processing Benchmarks
When it comes to raw CPU performance:
| Model | CPU Type | Clock Speed | Geekbench 5 Single-Core | Geekbench 5 Multi-Core |
| Raspberry Pi 5 8GB | ARM Cortex-A76 | 2.4 GHz | 450 | 1650 |
| Raspberry Pi 4 8GB | ARM Cortex-A72 | 1.5 GHz | 220 | 900 |
| Raspberry Pi 3 B+ | ARM Cortex-A53 | 1.4 GHz | 120 | 420 |
Observations:
- Raspberry Pi 5’s CPU is roughly 2× faster in single-core performance than Pi 4.
- Multi-core performance sees almost double the throughput, making it ideal for parallelized workloads like video encoding, data processing, and server applications.
Real-World Implications:
- Faster compile times for software projects
- Smoother web browsing with heavy tab usage
- Better handling of server tasks like database management
3. RAM & Multitasking Advantages
The 8GB RAM variant is particularly useful for memory-intensive tasks:
- Web Browsing: Can handle 40–50 Chrome or Chromium tabs without slowing down.
- Development & Virtualization: Run multiple Docker containers or virtual machines without performance degradation.
- Data Science / ML Tasks: Large datasets can be processed in memory without hitting swap memory, boosting speed dramatically.
Tip: For developers using Python or Node.js, the Pi 5 8GB significantly reduces memory bottlenecks compared to Pi 4 or Pi 3.
4. Storage & I/O Performance
The Raspberry Pi 5 sees major improvements in I/O thanks to upgraded USB 3.0 ports and PCIe lanes:
| Benchmark | Pi 5 8GB | Pi 4 8GB | Pi 3 B+ |
| Sequential SSD Read | 1000 MB/s | 500 MB/s | 200 MB/s |
| Sequential SSD Write | 950 MB/s | 450 MB/s | 180 MB/s |
| MicroSD Read | 200 MB/s | 90 MB/s | 20 MB/s |
| MicroSD Write | 180 MB/s | 80 MB/s | 20 MB/s |
Implications:
- Faster boot times and app launches
- Efficient file transfers and database operations
- Better experience with NVMe SSD storage for server applications
5. GPU & Multimedia Performance
The VideoCore VII GPU enables:
- 4K Video Playback at 60FPS smoothly on Raspberry Pi 5
- Retro Gaming: Higher FPS on emulators (PS1, N64) compared to Pi 4
- OpenGL Benchmarks: Roughly 2× faster rendering performance
If you’re using your Pi as a media center (e.g., Kodi or Plex), the 5 8GB RAM offers a more fluid experience, especially with multiple streams.
6. Power Efficiency & Thermal Performance
While the Raspberry Pi 5 is more powerful, it also runs hotter. Here’s a comparison:
| Model | Typical Power Draw | Cooling Requirement |
| Pi 5 8GB | 7–10W under load | Active cooling recommended |
| Pi 4 8GB | 5–7W | Passive cooling often sufficient |
| Pi 3 B+ | 3–5W | Passive cooling sufficient |
Tip: Invest in a small fan or heatsink if you plan on continuous heavy workloads. It prevents thermal throttling and maintains performance.
7. Practical Use Cases
Desktop Replacement
The Pi 5 8GB can handle Linux desktop tasks such as:
- Browsing multiple tabs
- Office productivity (LibreOffice, Google Docs)
- Lightweight photo editing
Home Lab & Servers
- WordPress, Node.js, or Python servers
- Home automation hubs like Home Assistant
- Local media servers with Plex or Jellyfin
Gaming & Multimedia
- Retro consoles using RetroPie or Lakka
- 4K video playback at 60FPS
- GPU-accelerated tasks like 3D rendering
8. Comparing Costs vs Performance
Older Raspberry Pi models are still budget-friendly:
| Model | Approx. Price | Performance Use Case |
| Pi 5 8GB | $120–$130 | Heavy multitasking, development, gaming, media |
| Pi 4 8GB | $75–$85 | Moderate tasks, basic desktop, light server |
| Pi 3 B+ | $35–$40 | Lightweight IoT, basic automation, learning |
Verdict: If your tasks involve heavy multitasking, 8GB RAM, or modern software demands, the Pi 5 justifies the price. For simple IoT projects or hobbyist experiments, older models are still fine.
Conclusion
The Raspberry Pi 5 8GB RAM is a massive leap forward compared to its predecessors. From CPU speed, RAM capacity, storage I/O, GPU, and multitasking capabilities, it outperforms older models across almost all benchmarks.
Whether you’re a developer, gamer, or DIY enthusiast, the Pi 5 8GB is the go-to board for anyone seeking power, flexibility, and reliability. Older Raspberry Pi models still have their place for low-cost projects, but if you want smooth performance and future-proof capabilities, upgrading to the Pi 5 is worth it.

