Core Ultra 5 135U vs Xeon E3-1558L v5
Primary details
Comparing Xeon E3-1558L v5 and Core Ultra 5 135U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 630 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Xeon E3 | Intel Meteor Lake-U |
| Architecture codename | Skylake (2015−2016) | Meteor Lake-P |
| Release date | 31 May 2016 (8 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | $396 | no data |
| Current price | $282 (0.7x MSRP) | no data |
Detailed specifications
Xeon E3-1558L v5 and Core Ultra 5 135U 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) | 12 (Dodeca-Core) |
| Threads | 8 | 142 x 4.4 GHz Intel Redwood Cove P-Core8 x 3.6 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core |
| Base clock speed | no data | 3.6 GHz |
| Boost clock speed | 1.9 GHz | 4.4 GHz |
| Bus support | 4 × 8 GT/s | no data |
| L1 cache | 256 KB | no data |
| L2 cache | 1 MB | no data |
| L3 cache | 8 MB | 12 MB |
| Chip lithography | 14 nm | 7 nm |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E3-1558L v5 and Core Ultra 5 135U 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 (Uniprocessor) | 1 |
| Socket | no data | FCBGA2049 |
| Power consumption (TDP) | 45 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1558L v5 and Core Ultra 5 135U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | + | no data |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | + |
| SIPP | no data | + |
| Turbo Boost Max 3.0 | no data | - |
| Status | no data | Launched |
Security technologies
Xeon E3-1558L v5 and Core Ultra 5 135U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1558L v5 and Core Ultra 5 135U are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1558L v5 and Core Ultra 5 135U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | LPDDR3-1866 | DDR5 |
| Maximum memory size | 64 GB | 96 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 34.134 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Pro Graphics P555 | Intel® Graphics |
| Quick Sync Video | no data | + |
| Graphics max frequency | no data | 1.9 GHz |
Graphics interfaces
Available interfaces and connections of Xeon E3-1558L v5 and Core Ultra 5 135U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon E3-1558L v5 and Core Ultra 5 135U integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Xeon E3-1558L v5 and Core Ultra 5 135U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1558L v5 and Core Ultra 5 135U.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | 20 |
| PCI support | no data | 4.0 |
Pros & cons summary
| Recency | 31 May 2016 | 14 December 2023 |
| Physical cores | 4 | 12 |
| Threads | 8 | 142 x 4.4 GHz Intel Redwood Cove P-Core8 x 3.6 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 45 Watt | 15 Watt |
We couldn't decide between Xeon E3-1558L v5 and Core Ultra 5 135U. We've got no test results to judge.
Be aware that Xeon E3-1558L v5 is a mobile workstation processor while Core Ultra 5 135U is a mobile workstation one.
Should you still have questions on choice between Xeon E3-1558L v5 and Core Ultra 5 135U, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
