Intel Core i7-7740X Full Specifications
The Intel Core i7-7740X is a Desktop processor with 4 cores, launched in 2017. It is part of the Core i7 lineup, using the Kaby Lake-X architecture with Socket LGA2066. The core-count is effectively doubled, to 8 threads. Core i7-7740X has 8MB of L3 cache and operates at 4.3 GHz by default, but can boost up to 4.5 GHz, depending on the workload. Intel is building the Core i7-7740X on a 14 nm production process. You may freely adjust the unlocked multiplier on Core i7-7740X, which simplifies overclocking greatly, as you can dial in any overclocking frequency up to 4.7GHz. With a TDP of 112 W, the Core i7-7740X consumes a lot of power, so good cooling is definitely needed. Intel's processor supports DDR4 memory with a dual-channel interface. It is worth noting that this processor does not have integrated graphics. This processor can run on motherboards with the following chipsets: X299.
Intel Core i7-7740X General
| Foundry | Intel |
|---|---|
| Manufacturer | Intel |
| Codename | Kaby Lake-X |
| Core Family | Kaby Lake-X |
| Market | Desktop |
| Series | Intel Core i7 |
| Type | Desktop |
| Architecture | Kaby Lake-X |
| Achitecture codename | Kaby Lake X |
| Microarchitecture | Kaby Lake |
| Market price | $ 781.8 |
| Production Status | Active |
| Release date | on June 2017 |
| Released | Jun 2017 |
| Launch price (MSRP) | $339 |
| Price now | $427 |
| Place in performance rating | 237 |
| Value for money (0-100) | 8.54 |
| Manufacturing process technology | 14 nm |
| Process Size | 14 nm |
Intel Core i7-7740X Compatibility
| Power consumption (TDP) | 112 Watt |
|---|---|
| Max number of CPUs in a configuration | 1 (Uniprocessor) |
| Max number of PCIe lanes | 16 |
| PCIe lanes | 16 |
| PCIe revision | 3.0 |
| PCIe version | 3.0 |
| Socket | LGA2066 |
Intel Core i7-7740X Benchmarks
| # of Cores | 4 |
|---|---|
| # of Threads | 8 |
| Base Clock | 100 MHz |
| Boost Clock | 4.5 GHz |
| CPU Cores | 4 |
| CPU Threads | 8 |
| Cache L1 | 64K (per core) |
| Cache L2 | 256K (per core) |
| Cache L3 | 8MB (shared) |
| Core Clock | 4.3 GHz |
| Core Count | 4 |
| Frequency | 4.30 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 | 4.5 GHz |
| Simultaneous Multithreading | Yes: Hyper-Threading |
| TDP | 112 W |
| TDP down | -- |
| TDP up | -- |
| Turbo (1 Core) | 4.50 GHz |
| Turbo (4 Cores) | 4.30 GHz |
| Turbo Clock | up to 4.6 GHz |
Intel Core i7-7740X Memory Specifications
| ECC | No |
|---|---|
| ECC Support | No |
| Max memory channels | 2 |
| Maximum Supported Memory | 64 GB |
| Maximum memory bandwidth | 39.74 GB / s |
| Maximum memory size | 64 GB |
| Memory Support | DDR4 |
| Memory channels | 2 |
| Memory type | DDR4-2666 |
| Supported memory types | DDR4-2666 |
| Max. Memory |
Intel Core i7-7740X Technical Specs
| 64 bit support | + |
|---|---|
| Die Size | unknown |
| Includes CPU Cooler | No |
| Maximum case temperature (TCase) | 72 °C |
| Multiplier | 43.0x |
| Multiplier Unlocked | Yes |
| Number of cores | 4 |
| Number of threads | 8 |
| Overclocking | Yes |
| Package | FC-LGA2066 |
| Part # | BXC80677I77740X |
| Part# | unknown |
| SMP # CPUs | 1 |
| Technology | 14 nm |
| Tjunction max. | -- |
| Transistors | unknown |
| Unlocked | + |
| Voltage | unknown |
| tCaseMax | 72°C |
Intel Core i7-7740X Integrated Graphics
| DirectX Version | |
|---|---|
| Execution units | |
| GPU (Turbo) | No turbo |
| GPU frequency | |
| Generation | |
| Integrated Graphics | None |
| Integrated graphics | HD 630 |
| Lithography | 14 nm |
| Max. displays | 0 |
Intel Core i7-7740X Technologies and Extensions
| AES-NI | + |
|---|---|
| AVX | + |
| vPro | + |
Intel Core i7-7740X Virtualization Technologies
| AMD-V | + |
|---|---|
| VT-d | + |
| VT-x | + |
| Virtualization | VT-x, VT-d |
Intel Core i7-7740X Other
| Packaging | Boxed |
|---|---|
| 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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