Xeon E7420 vs i7-8665UE
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1938 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.78 | no data |
| Market segment | Laptop | Server |
| Power efficiency | 7.79 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Whiskey Lake-U (2018−2019) | Dunnington (2008) |
| Release date | 1 October 2018 (7 years ago) | 15 September 2008 (17 years ago) |
| Launch price (MSRP) | $409 | $1,177 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Core i7-8665UE and Xeon E7420: 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) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 1.7 GHz | 2.13 GHz |
| Boost clock speed | 4.4 GHz | 0.13 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 3 MB (per module) |
| L3 cache | 8 MB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 45 nm |
| Die size | no data | 503 mm2 |
| Maximum case temperature (TCase) | no data | 64 °C |
| Number of transistors | no data | 1,900 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| VID voltage range | no data | 0.9V-1.45V |
Compatibility
Information on Core i7-8665UE and Xeon E7420 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 | 4 |
| Socket | Intel BGA 1528 | PGA604 |
| Power consumption (TDP) | 15 Watt | 90 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-8665UE and Xeon E7420. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| TSX | + | - |
| Idle States | no data | - |
| Demand Based Switching | no data | + |
| FSB parity | no data | + |
Security technologies
Core i7-8665UE and Xeon E7420 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-8665UE and Xeon E7420 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-8665UE and Xeon E7420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 620 | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Core i7-8665UE and Xeon E7420.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 1 October 2018 | 15 September 2008 |
| Threads | 8 | 4 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 90 Watt |
i7-8665UE has an age advantage of 10 years, 100% more threads, a 221% more advanced lithography process, and 500% lower power consumption.
We couldn't decide between Intel Core i7-8665UE and Intel Xeon E7420. We've got no test results to judge.
Be aware that Core i7-8665UE is a notebook processor while Xeon E7420 is a server/workstation one.
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