
Intel
Intel 641329973776CR Xeon i7-4790 3.6GHz LGA 1150 Processor (Renewed)
i7-4790
Drop a proven quad-core workhorse into your LGA 1150 board and unlock 3.6GHz Haswell performance at a fraction of the original retail price.
$59.99*
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*Price sourced from Amazon.com. Last updated:Sep 04, 2026.Price and availability are subject to change — details.
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Overview
Key Features
2 GT/s
3.6 Ghz
4 Cores, 8 Cores in Hyperthreading mode
Package Weight, 2.0 pounds
Specifications
Processor
Intel Core i7-4790
Socket
LGA 1150
Core Count
4 cores / 8 threads (Hyper-Threading)
Base Clock Speed
3.6GHz
Cache
8MB Intel Smart Cache
Memory Support
DDR3
Bus Speed
2 GT/s
TDP
84W
Condition
Renewed
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Check on Amazon →Frequently Asked Questions
What motherboards are compatible with the i7-4790?
The i7-4790 uses the LGA 1150 socket and is compatible with Intel 8-series (Z87, H87, B85) and 9-series (Z97, H97) chipset motherboards. Compatibility with 8-series boards typically requires a BIOS update. Verify your specific board's CPU support list before purchasing.
What does Hyper-Threading actually add for real-world workloads on this processor?
Hyper-Threading presents the 4 physical cores as 8 logical threads to the operating system. For workloads that can distribute across threads — video encoding, audio rendering, multi-tab browsing, light virtualization — you'll see meaningfully better throughput than the core count alone suggests. Single-threaded tasks like older games or legacy software see no benefit from Hyper-Threading; they'll run at the base 3.6GHz clock speed.
What RAM specification does this processor support?
The i7-4790 supports DDR3 memory, not DDR4. It officially supports up to DDR3-1600 speeds, though many Z97 boards allow higher-speed DDR3 kits with XMP profiles. Maximum supported RAM capacity depends on your motherboard, but the processor itself supports up to 32GB across four channels in most desktop configurations.
What are the thermal requirements for running this chip at 3.6GHz base / 4.0GHz turbo?
The i7-4790 has a 84W TDP. A mid-range tower cooler (Cooler Master Hyper 212-class or equivalent) handles this comfortably. The stock Intel cooler is functional but runs warm under sustained load — aftermarket cooling is strongly recommended for any system used for encoding, rendering, or extended compute tasks.
As a renewed processor, what should I verify before installing?
Inspect the processor for bent pins or damaged IHS (integrated heat spreader) on arrival. Verify the serial number is legible. Apply fresh thermal paste regardless of whether any was pre-applied. Run a stress test utility (Prime95 or Cinebench) after installation to confirm stability and validate that boost clocks are reaching the expected 4.0GHz turbo frequency.