Atom Z650 vs Xeon W-2145
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 913 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.45 | no data |
| Market segment | Server | Laptop |
| Series | Intel Xeon W | Intel Atom |
| Power efficiency | 3.10 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Skylake (server) (2017−2018) | Lincroft (2010−2011) |
| Release date | 29 August 2017 (8 years ago) | 11 April 2011 (14 years ago) |
| Launch price (MSRP) | $1,113 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon W-2145 and Atom Z650 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 | 8 (Octa-Core) | 1 (Single-Core) |
| Threads | 16 | 2 |
| Base clock speed | 3.7 GHz | 1.2 GHz |
| Boost clock speed | 4.5 GHz | 1.2 GHz |
| Bus type | DMI 3.0 | cDMI |
| Bus rate | 4 × 8 GT/s | 400 MT/s |
| Multiplier | 37 | 8 |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 11 MB (shared) | 0 KB |
| Chip lithography | 14 nm | 45 nm |
| Die size | 484 mm2 | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | no data | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | + | - |
Compatibility
Information on Xeon W-2145 and Atom Z650 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 (Uniprocessor) |
| Socket | Socket R4 | T-PBGA518 |
| Power consumption (TDP) | 140 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W-2145 and Atom Z650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | - | no data |
| Demand Based Switching | + | no data |
| PAE | 46 Bit | no data |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Xeon W-2145 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W-2145 and Atom Z650 are enumerated here.
| AMD-V | + | - |
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR2 |
| Maximum memory size | 512 GB | 2.93 GB |
| Max memory channels | 4 | 1 |
| Maximum memory bandwidth | 85.33 GB/s | 3.2 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX535 |
Graphics interfaces
Available interfaces and connections of Xeon W-2145 and Atom Z650 integrated GPUs.
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Xeon W-2145 and Atom Z650.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 48 | no data |
| PCI support | no data | - |
Pros & cons summary
| Recency | 29 August 2017 | 11 April 2011 |
| Physical cores | 8 | 1 |
| Threads | 16 | 2 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 140 Watt | 3 Watt |
Xeon W-2145 has an age advantage of 6 years, 700% more physical cores and 700% more threads, and a 221.4% more advanced lithography process.
Atom Z650, on the other hand, has 4566.7% lower power consumption.
We couldn't decide between Intel Xeon W-2145 and Intel Atom Z650. We've got no test results to judge.
Be aware that Xeon W-2145 is a server/workstation processor while Atom Z650 is a notebook one.
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