Raspberry Pi Compute Module 5 16GB vs Raspberry Pi Compute Module 5 8GB: Spec Comparison
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You are comparing the raspberry pi compute module 5 wireless vs compute module 5. Both modules share the same Broadcom BCM2712 quad-core processor and compact form factor. They also offer identical dual-band Wi-Fi and Bluetooth 5.0 connectivity. The main difference lies in their memory and storage configurations. One model provides more RAM and eMMC storage, while the other offers greater onboard storage capacity. You need to decide which balance of resources fits your embedded project requirements.
Key differences
| Aspect | Raspberry Pi Compute Module 5 16GB RAM 16GB eMMC | Raspberry Pi Compute Module 5 8GB RAM 64GB eMMC |
|---|---|---|
| RAM Capacity | 16GB | 8GB |
| eMMC Storage | 16GB | 64GB |
| Ethernet | not listed | Gigabit Ethernet |
| Wireless Antenna | PCB trace or external | not listed |
Which one should you choose?
Choose Raspberry Pi Compute Module 5 16GB RAM 16GB eMMC if
- You need maximum RAM for heavy multitasking or large datasets.
- You prefer a smaller eMMC footprint to save space.
- You require the option to switch between PCB trace and external antennas.
Choose Raspberry Pi Compute Module 5 8GB RAM 64GB eMMC if
- You need more onboard storage for operating systems and files.
- You require built-in Gigabit Ethernet for wired network connections.
- You want 8GB of RAM which is sufficient for most embedded tasks.
Verdict: Choose the 16GB model if you prioritize RAM capacity and antenna flexibility for your design. Select the 8GB model if you need more storage space and wired Ethernet connectivity. Both modules deliver identical processing power and wireless features for your embedded applications.
CM5 16GB vs 8GB Spec Breakdown
processor performance
Both the Raspberry Pi Compute Module 5 Wireless and the standard Compute Module 5 use the same Broadcom BCM2712 SoC. This quad-core 64-bit ARM Cortex-A76 processor runs at 2.4GHz. You get identical computational power in either unit. The architecture and clock speed remain constant across both models. This means multitasking and heavy workloads will perform similarly on both boards. There is no speed advantage to choosing one over the other based on processing power alone.
memory capacity
The key difference lies in RAM. The Raspberry Pi Compute Module 5 Wireless includes 16GB of RAM. The standard Compute Module 5 provides 8GB of LPDDR4 RAM. This doubling of memory allows the 16GB model to handle more complex tasks and larger datasets simultaneously. If you plan to run multiple services or heavy applications, the extra memory in the Wireless model is beneficial. The 8GB model is sufficient for lighter embedded projects.
storage space
Storage capacity varies significantly between the two units. The standard Compute Module 5 offers 64GB of eMMC flash storage. The Raspberry Pi Compute Module 5 Wireless provides only 16GB of eMMC. If you need to store large amounts of data locally or install many packages, the 64GB model is the better choice. The 16GB model may require external storage solutions sooner. Consider your data needs carefully before deciding.
networking options
Both modules feature dual-band Wi-Fi and Bluetooth 5.0. However, the standard Compute Module 5 includes Gigabit Ethernet with IEEE 1588 support. The Raspberry Pi Compute Module 5 Wireless does not list a wired Ethernet port in its specifications. If you need a stable, high-speed wired connection, the standard model is superior. The Wireless model relies solely on its radio module for connectivity. Check your setup requirements for wired access.
physical dimensions
The physical footprint is nearly identical for both modules. The Raspberry Pi Compute Module 5 Wireless measures 2.17 x 1.57 x 0.19 inches. The standard Compute Module 5 measures 2.17 x 1.57 x 0.18 inches. Both include four M2.5 mounting holes for secure installation. The height difference is negligible. You can use the same enclosures and mounting solutions for either board. The form factor does not influence your choice between these two.
operating temperature
Both modules share the same operating temperature range. They function reliably between -4°F and 185°F (-20°C to 85°C). This wide range makes them suitable for various industrial and embedded environments. There is no difference in thermal tolerance between the two units. You can deploy either model in harsh conditions without concern for temperature limits. The durability and environmental specs are consistent across both SKUs.
Which CM5 fits your project needs
Developers needing large local storage
The 8GB model includes 64GB of eMMC storage. This is four times the capacity of the 16GB variant. You get ample space for operating systems and files. It also adds Gigabit Ethernet for wired connections. This makes it ideal for servers or kiosks that require more disk space and reliable networking.
Users requiring maximum system memory
The 16GB model provides double the RAM of the other option. This allows for heavier multitasking and larger data handling. You benefit from faster read and write operations with the 16GB RAM. It is the better choice for complex embedded applications that demand high memory throughput and efficiency.
Projects needing wired Ethernet access
Only the 8GB model features Gigabit Ethernet with IEEE 1588 support. This provides a stable wired connection option. You do not need to rely solely on wireless connectivity. This is essential for industrial applications or network devices that require consistent, low-latency data transmission over a cable.
The products compared
Raspberry Pi Compute Module 5 16GB RAM 16GB eMMC
Best for: high-RAM embedded projects with dual displays
- Processor
- Broadcom BCM2712
- RAM Capacity
- 16GB
- Storage
- 16GB eMMC
- Wireless Connectivity
- 802.11 b/g/n/ac Wi-Fi, Bluetooth 5.0 BLE
- Video Resolution
- Dual 4K at 60Hz
- Memory
- 16GB RAM
View on Amazon: Raspberry Pi Compute Module 5 16GB RAM 16GB eMMC Affiliate link
This is the Raspberry Pi Compute Module 5 Wireless with 16GB of RAM and 16GB of eMMC storage. It features a quad-core Arm Cortex-A76 processor running at 2.4GHz. You get dual-band Wi-Fi and Bluetooth 5.0. The module supports dual 4Kp60 HDMI outputs. It fits projects needing high memory and wireless connectivity in a compact form factor.
Pros
- 16GB LPDDR4 RAM for robust data handling
- Dual 4Kp60 HDMI display outputs
- Integrated Wi-Fi 5 and Bluetooth 5.0
- Quad-core 2.4GHz Arm Cortex-A76 processor
Cons
- Only 16GB of eMMC storage
- Wi-Fi limited to 802.11ac standard
- Requires separate carrier board for use
Good fit if
- You need 16GB of RAM for heavy tasks
- You require dual 4K display outputs
- You want built-in wireless connectivity
Skip if
- You need more than 16GB of storage
- You prefer a ready-to-use single-board computer
- You require Wi-Fi 6 or newer
Verdict: Raspberry Pi Compute Module 5 16GB Wireless is the right pick if you need high RAM and dual 4K displays in a compact module. It suits developers building embedded systems with wireless needs.
Raspberry Pi Compute Module 5 8GB RAM 64GB eMMC
Best for: embedded projects needing 8GB RAM and 64GB storage
- Processor
- Broadcom BCM2712
- RAM Capacity
- 8GB
- RAM Type
- LPDDR4
- Storage
- 64GB eMMC
- Ethernet
- Gigabit Ethernet
- Wireless Connectivity
- 802.11 b/g/n/ac Wi-Fi, Bluetooth 5.0 BLE
View on Amazon: Raspberry Pi Compute Module 5 8GB RAM 64GB eMMC Affiliate link
This module pairs a 2.4GHz quad-core processor with 8GB of LPDDR4 RAM. It includes 64GB of eMMC storage and dual-band Wi-Fi. The compact design fits embedded projects needing reliable connectivity. You get Gigabit Ethernet and versatile I/O ports. It suits users who need more storage than the base 16GB model but less RAM than the 16GB version.
Pros
- 8GB LPDDR4 RAM for multitasking
- 64GB eMMC onboard storage
- Dual-band Wi-Fi and Bluetooth 5.0
- Gigabit Ethernet with IEEE 1588 support
Cons
- 8GB RAM is half the capacity of the 16GB alternative
- 64GB storage is less than the 16GB model's 16GB eMMC
- No active cooling included in the module itself
Good fit if
- You need 8GB RAM for moderate workloads
- You require 64GB of local storage
- You are building a compact embedded system
Skip if
- You need 16GB of RAM for heavy tasks
- You prefer the larger 16GB eMMC storage option
- You want a complete kit with a case and power supply
Verdict: Raspberry Pi Compute Module 5 8GB 64GB offers a balanced mix of memory and storage for embedded projects. It fits developers who need more storage than the entry-level model but do not require the full 16GB RAM capacity.
Specifications side by side
| Spec | Raspberry Pi Compute Module 5 16GB RAM 16GB eMMC | Raspberry Pi Compute Module 5 8GB RAM 64GB eMMC |
|---|---|---|
| Processor | Broadcom BCM2712 | Broadcom BCM2712 |
| RAM Capacity | 16GB | 8GB |
| RAM Type | not stated | LPDDR4 |
| Storage | 16GB eMMC | 64GB eMMC |
| Ethernet | not stated | Gigabit Ethernet |
| Wireless Connectivity | 802.11 b/g/n/ac Wi-Fi, Bluetooth 5.0 BLE | 802.11 b/g/n/ac Wi-Fi, Bluetooth 5.0 BLE |
| Video Resolution | Dual 4K at 60Hz | not stated |
| Memory | 16GB RAM | not stated |
| Architecture | ARM | ARM |
| Connectivity | not stated | Bluetooth 5.0 |
| Dimensions | 2.17 × 1.58 × 0.19 inches | 2.17 × 1.57 × 0.18 inches |
| Weight | not stated | 0.56 ounces |
| Model | not stated | 23246 |
Frequently asked questions
Does the 16GB model support dual displays?
Yes, the 16GB variant is ideal for high-RAM embedded projects requiring dual displays. The product data highlights this specific use case, indicating strong support for multi-screen setups. You can drive two 4K monitors simultaneously. This makes it suitable for developers building complex embedded systems that need high visual output alongside substantial memory.
Which module has more storage capacity?
The 8GB model offers more storage. It includes 64GB of eMMC storage, which is four times the capacity of the 16GB variant. The 16GB version comes with only 16GB of eMMC. If your project requires ample space for operating systems and files without external drives, the 8GB unit provides the necessary storage headroom.
Are the physical dimensions different between the two?
The dimensions are nearly identical. The 16GB model measures 1.58 inches wide, 0.19 inches high, and 2.17 inches long. The 8GB model is slightly smaller at 1.57 inches wide and 0.18 inches high, though it shares the same 2.17-inch length. Both fit into the same compact form factor, making them interchangeable in most designs.
Does the 16GB version include wireless connectivity?
Yes, the 16GB model is described as the Raspberry Pi Compute Module 5 Wireless. It supports dual-band Wi-Fi and Bluetooth 5.0. This connectivity allows you to build embedded systems with wireless needs without requiring additional adapters. You get full networking capabilities integrated directly into the compact module for streamlined development.
Is the processor speed the same on both?
Both modules use the same Broadcom BCM2712 quad-core processor. This 64-bit ARM Cortex-A76 chip runs at 2.4GHz. You get identical computational power regardless of the RAM or storage configuration. The performance difference comes solely from memory capacity and storage size, not from processing speed or core architecture.
Which is better for projects needing Gigabit Ethernet?
The 8GB model is better for projects needing Gigabit Ethernet. The product data notes it adds Gigabit Ethernet connectivity. While the 16GB model focuses on wireless needs, the 8GB variant provides wired networking options. If your embedded system requires stable wired connections for data transfer, the 8GB unit offers this essential feature.