Xeon W-1390T vs Core i7-8665U
Primary details
Comparing Core i7-8665U and Xeon W-1390T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1322 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core i7 | no data |
| Architecture codename | Whiskey Lake-U (2018−2019) | no data |
| Release date | 1 October 2018 (5 years ago) | 1 April 2021 (3 years ago) |
| Launch price (MSRP) | $409 | no data |
| Current price | $1930 (4.7x MSRP) | no data |
Detailed specifications
Core i7-8665U and Xeon W-1390T basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 8 (Octa-Core) |
| Threads | 8 | 16 |
| Base clock speed | 1.9 GHz | 1.5 GHz |
| Boost clock speed | 4.8 GHz | 4.9 GHz |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | no data |
| L3 cache | 8 MB (shared) | 16 MB Intel® Smart Cache |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i7-8665U and Xeon W-1390T compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FCBGA1528 | FCLGA1200 |
| Power consumption (TDP) | 15 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-8665U and Xeon W-1390T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | no data |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| SIPP | + | no data |
| Smart Response | + | no data |
| Turbo Boost Max 3.0 | no data | + |
| Status | Discontinued | Discontinued |
Security technologies
Core i7-8665U and Xeon W-1390T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | + |
| MPX | + | no data |
| Identity Protection | + | + |
| SGX | Yes with Intel® ME | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-8665U and Xeon W-1390T are enumerated here.
| AMD-V | + | no data |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-8665U and Xeon W-1390T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-3200 |
| Maximum memory size | 64 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 37.5 GB/s | 50 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 8th Generation Intel® Processors | Intel UHD Graphics P750 |
| Max video memory | 32 GB | 64 GB |
| Quick Sync Video | + | + |
| Clear Video | + | + |
| Clear Video HD | + | + |
| Graphics max frequency | 1.15 GHz | 1.2 GHz |
| Execution Units | no data | 32 |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core i7-8665U and Xeon W-1390T integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | no data |
| DisplayPort | + | no data |
| HDMI | + | no data |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-8665U and Xeon W-1390T integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | + |
| Max resolution over HDMI 1.4 | 4096 x 2304@24Hz | 4096x2160@60Hz |
| Max resolution over eDP | 4096 x 2304@60Hz | 5120 x 3200 @60Hz |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | 5120 x 3200 @60Hz |
Graphics API support
APIs supported by Core i7-8665U and Xeon W-1390T integrated GPUs, sometimes API versions are included.
| DirectX | 12 | 12.1 |
| OpenGL | 4.5 | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i7-8665U and Xeon W-1390T.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 16 | 20 |
Pros & cons summary
| Recency | 1 October 2018 | 1 April 2021 |
| Physical cores | 4 | 8 |
| Threads | 8 | 16 |
| Power consumption (TDP) | 15 Watt | 35 Watt |
We couldn't decide between Core i7-8665U and Xeon W-1390T. We've got no test results to judge.
Be aware that Core i7-8665U is a notebook processor while Xeon W-1390T is a server/workstation one.
Should you still have questions on choice between Core i7-8665U and Xeon W-1390T, ask them in Comments section, and we shall answer.
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