Intel Core i5-7640X X-series 6M Cache Up to 4.20 GHz 4 Core 4 Threads Desktop Processor

Overview

The Intel BX80677I57640X is a Core i5 X-series desktop processor designed to deliver reliable speed for gaming, content creation, and everyday productivity. It features four physical cores and four threads, with a base clock of 4.0 GHz and a Turbo Boost frequency up to 4.2 GHz, ensuring smooth performance during demanding tasks. With 6 MB of cache and support for dual channel DDR4-2666 memory up to 64 GB, this processor provides the bandwidth and responsiveness needed for modern applications and multitasking.

Key features

• Four CPU cores and four threads provide consistent performance across a range of applications, from gaming to video editing.
• High base frequency of 4.0 GHz with Turbo Boost up to 4.2 GHz delivers quick bursts of speed when needed.
• 6 MB cache reduces latency by keeping frequently accessed data close to the processor cores.
• Supports dual channel DDR4-2666 memory, allowing up to 64 GB for handling large projects and multitasking efficiently.
• Sixteen PCI Express 3.0 lanes offer ample bandwidth for dedicated graphics cards and high-speed storage or networking expansions.
• Unlocked multiplier enables manual overclocking on compatible X299 motherboards, giving enthusiasts room to boost performance.
• Requires a discrete GPU since it does not include integrated graphics, allowing users to choose a graphics solution that fits their needs.
• Does not include a cooler, so a quality thermal solution is essential to maintain stable operation and prevent overheating.

Key specs

• Processor model: Intel Core i5-7640X X-series
• Cores/Threads: 4 cores / 4 threads
• Base frequency: 4.0 GHz
• Turbo Boost frequency: Up to 4.2 GHz
• Cache: 6 MB
• Memory support: Dual channel DDR4-2666, up to 64 GB
• PCI Express lanes: 16 PCIe 3.0 lanes
• Socket: LGA 2066
• Integrated graphics: None (discrete GPU required)
• Cooling solution: Not included

Connectivity and compatibility

This processor fits the LGA 2066 socket and requires a compatible X299 motherboard to unlock its full potential, including overclocking capabilities. The 16 PCIe 3.0 lanes provide sufficient bandwidth for high-performance graphics cards and fast NVMe storage devices, making it suitable for custom desktop builds focused on gaming and content creation. Since it lacks integrated graphics, pairing it with a dedicated GPU is necessary for video output.

Performance and reliability

With a high base clock and Turbo Boost, this processor maintains steady frame rates and responsiveness during gaming and multitasking. The 6 MB cache helps reduce delays when switching between applications, while support for up to 64 GB of DDR4 memory ensures smooth handling of large files and complex workloads. Overclocking enthusiasts can take advantage of the unlocked multiplier to push performance further, provided they use an adequate cooling solution to maintain system stability.

Ideal uses and environments

The Core i5-7640X is well suited to users building mid-range gaming rigs or workstations for light video editing and multitasking. It offers a balance of speed and expandability without the premium cost of higher-end processors. This makes it a strong choice for gamers and content creators who want solid performance and the flexibility to upgrade graphics and storage components on an X299 platform.