Intel Core i7-4790K Full Specifications
The Intel Core i7-4790K is a Desktop processor with 4 cores, launched in 2014. It is part of the Core i7 lineup, using the Haswell Refresh architecture with Socket LGA1150. The core-count is effectively doubled, to 8 threads. Core i7-4790K has 8MB of L3 cache and operates at 4 GHz by default, but can boost up to 4.4 GHz, depending on the workload. Intel is building the Core i7-4790K on a 22 nm production process. You may freely adjust the unlocked multiplier on Core i7-4790K, which simplifies overclocking greatly, as you can dial in any overclocking frequency up to 4.8GHz. Intel's processor supports DDR3 memory with a dual-channel interface. This processor features the (Intel HD Graphics 4600) integrated graphics solution. This processor can run on motherboards with the following chipsets: B85, C222, C224, C226, H81, H87, H97, Q87, Z87, Z97.
Intel Core i7-4790K General
| Foundry | Intel |
|---|---|
| Manufacturer | Intel |
| Codename | Haswell |
| Core Family | Haswell Refresh |
| Market | Desktop |
| Model | Core i7-4790K |
| Series | Intel Core i7 |
| Type | Desktop |
| Architecture | Haswell Devils Canyon |
| Achitecture codename | Haswell |
| Microarchitecture | Haswell Refresh |
| Market price | $ 339 |
| Production Status | Active |
| Release date | on May 2014 |
| Released | May 2014 |
| Launch price (MSRP) | $339 |
| Price now | $317 |
| Place in performance rating | 257 |
| Value for money (0-100) | 10.52 |
| Manufacturing process technology | 22 nm |
| Process Size | 22 nm |
Intel Core i7-4790K Compatibility
| Power consumption (TDP) | 88 Watt |
|---|---|
| Max number of CPUs in a configuration | 1 |
| Max number of PCIe lanes | 16 |
| PCIe lanes | 16 |
| PCIe revision | 3.0 |
| PCIe version | 3.0 |
| Socket | LGA1150 |
Intel Core i7-4790K Benchmarks
| # of Cores | 4 |
|---|---|
| # of Threads | 8 |
| Base Clock | 100 MHz |
| Boost Clock | 4.4 GHz |
| CPU Cores | 4 |
| CPU Threads | 8 |
| Cache L1 | 64K (per core) |
| Cache L2 | 256K (per core) |
| Cache L3 | 8MB (shared) |
| Core Clock | 4 GHz |
| Core Count | 4 |
| Frequency | 4.00 GHz |
| Hyper-Threading | + |
| Hyperthreading | Yes |
| L1 Cache | 4 x 32 kB Instruction 4 x 32 kB Data |
| L1 cache | 256 KB |
| L2 Cache | 4 x 256 kB |
| L2 cache | 256K (per core) |
| L3 Cache | 1 x 8 MB |
| L3 cache | 8 MB |
| L3-Cache | 8.00 MB |
| Maximum frequency | 4.4 GHz |
| Simultaneous Multithreading | Yes: Hyper-Threading |
| TDP | 88 W |
| TDP down | -- |
| TDP up | -- |
| Turbo (1 Core) | 4.40 GHz |
| Turbo (4 Cores) | 4.20 GHz |
| Turbo Boost | 2.0 |
| Turbo Clock | up to 4.4 GHz |
Intel Core i7-4790K Memory Specifications
| ECC | No |
|---|---|
| ECC Support | No |
| Max memory channels | 2 |
| Maximum memory bandwidth | 25.6 GB / s |
| Maximum memory size | 32 GB |
| Memory Support | DDR3 |
| Memory channels | 2 |
| Memory type | DDR3-1600 |
| Supported memory types | DDR3-1333, DDR3-1600, DDR3L-1333, DDR3L-1600 |
| Max. Memory | 32 GB |
Intel Core i7-4790K Technical Specs
| 64 bit support | + |
|---|---|
| Die Size | 177 mm² |
| Die size | 177 mm2 |
| Includes CPU Cooler | Yes |
| Maximum case temperature (TCase) | 72 °C |
| Maximum core temperature | 74 °C |
| Multiplier | 40.0x |
| Multiplier Unlocked | No |
| My WiFi | + |
| Number of cores | 4 |
| Number of threads | 8 |
| Overclocking | Yes |
| Package | |
| Part # | BX80646I74790K |
| Part# | unknown |
| SMP # CPUs | 1 |
| Technology | 22 nm |
| Tjunction max. | -- |
| Transistor count | 1400 Million |
| Transistors | 1400 million |
| Unlocked | + |
| Voltage | unknown |
| tCaseMax | 72°C |
Intel Core i7-4790K Integrated Graphics
| Clear Video HD | + |
|---|---|
| DVI | + |
| DirectX | 11.2 / 12 |
| DirectX Version | 11.1 |
| DisplayPort | + |
| Execution Units | 20 |
| Execution units | 20 |
| FDI | + |
| GPU (Turbo) | 1.25 GHz |
| GPU frequency | 0.35 GHz |
| Generation | 7.5 |
| Graphics max frequency | 1.25 GHz |
| HDMI | + |
| InTru 3D | + |
| Integrated Graphics | Intel HD Graphics 4600 |
| Integrated graphics | Intel HD Graphics 4600 (350 - 1250 MHz) |
| Lithography | 22 nm |
| Max resolution over DisplayPort | 3840x2160@60Hz |
| Max resolution over HDMI 1.4 | 3840x2160@24Hz |
| Max resolution over VGA | 1920x1200@60Hz |
| Max resolution over eDP | 3840x2160@60Hz |
| Max video memory | 2 GB |
| Max. displays | 3 |
| Number of displays supported | 3 |
| OpenGL | 4.3 |
| Quick Sync | + |
| eDP | + |
Intel Core i7-4790K Security Technologies
| Anti-Theft | + |
|---|---|
| Bitcoin / BTC (SHA256) | 53 Mh/s |
| EDB | + |
| Identity Protection | + |
| OS Guard | + |
| Secure Key | + |
| TXT | + |
Intel Core i7-4790K Technologies and Extensions
| AES-NI | + |
|---|---|
| AVX | + |
| Enhanced SpeedStep (EIST) | + |
| Idle States | + |
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| Thermal Monitoring | + |
| vPro | + |
Intel Core i7-4790K Virtualization Technologies
| AMD-V | + |
|---|---|
| EPT | + |
| VT-d | + |
| VT-x | + |
| Virtualization | VT-x, VT-x EPT, VT-d |
Intel Core i7-4790K Other
| Packaging | Boxed |
|---|---|
| VGA | + |
| MMX SSE SSE2 SSE3 SSSE3 SSE4.2 AVX AVX2 EIST Intel 64 XD bit VT-x VT-d HTT AES-NI TSX TXT CLMUL FMA3 F16C BMI1 BMI2 Boost 2.0 |
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