The IDT79R4700-100G is a high-performance 64-bit RISC processor from Integrated Device Technology (IDT) based on the MIPS RISC architecture. This processor is specifically designed for embedded applications, networking, and computing, offering high performance in arithmetic operations, efficient floating-point capabilities, and low power consumption compared to modern CPUs.
As part of the R4700 series, this processor offers higher clock speeds and improved performance based on the success of the MIPS R4000 series.
🔧 Technical specifications IDT79R4700-100G
Model IDT79R4700-100G
Architecture 64-bit MIPS III RISC
Clock speed 100 MHz
Production lines 5 digital production lines
Cache memory 16 kB cache memory for instructions, 16 kB cache memory for data
Floating point unit Built-in floating point unit compatible with IEEE 754
Bus interface 64-bit system bus
Manufacturing technology CMOS
Package type PGA (pin grid array)
Power consumption ~2–3 W (typical value at 100 MHz)
Temperature range Commercial/industrial versions available
📄 Full technical information can be found in the MIPS R4700 processor documentation (archived).
✅ Key features
- ⚡ High energy efficiency – specially designed to improve integrated computing performance, consumes less power than comparable desktop processors of the same period.
- 🧮 Integrated floating point unit – efficient processing of double-precision floating point operations, suitable for scientific computing and multimedia workloads.
- 📦 Large on-chip cache – dual 16 kB cache, increasing productivity and reducing response time.
- 🔌 Flexible system integration – special circuit board design supporting multiple peripheral device configurations.
🧰 Areas of application
🌐 1. Network devices
The IDT79R4700-100G is used in advanced routers, network switches, and communication devices and is suitable for environments that require reliable and high-performance data processing.
🖥 2. Embedded computing systems
Used in industrial control units, highly reliable embedded systems, and specialized computing devices.
📡 3. Workstations and servers (older systems)
Used in some MIPS-based UNIX workstations and specialized RISC computing platforms in the mid-to-late 1990s.
⚙️ 4. Military and space systems
Selected for compact designs due to its specific performance and a suite of advanced software tools.
🔗 Related products DRex Electronics
DRex Electronics is a reliable partner for the purchase of older and complex processors such as the IDT79R4700-100G, ensuring stability in the supply of maintenance and repair services and support for older systems.
Product number Description Link
IDT79RC32T351-100DH Integrated MIPS RISC processor View product
IDT79RC32364 Integrated MIPS processor View product
IDT79R4650-100 64-bit RISC processor unit with integrated cache memory View product
📩 Request a quote for IDT79R4700-100G
📚 Related links
🔗 Internal links
- Browse all microprocessors on DRex
- Purchase old and obsolete components
- Contact the DRex sales team
🌐 External links
- MIPS R4700 architecture overview (Wikipedia)
- Integrated Device Technology official website
- MIPS instruction set reference manual




