Atom Z650 vs Xeon Gold 6138
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 637 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.09 | no data |
| Market segment | Server | Laptop |
| Series | Intel Xeon Gold | Intel Atom |
| Power efficiency | 4.60 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Skylake (server) (2017−2018) | Lincroft (2010−2011) |
| Release date | 25 April 2017 (8 years ago) | 11 April 2011 (14 years ago) |
| Launch price (MSRP) | $2,612 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon Gold 6138 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 | 20 (Icosa-Core) | 1 (Single-Core) |
| Threads | 40 | 2 |
| Base clock speed | 2 GHz | 1.2 GHz |
| Boost clock speed | 3.7 GHz | 1.2 GHz |
| Bus type | DMI 3.0 | cDMI |
| Bus rate | 4 × 8 GT/s | 400 MT/s |
| Multiplier | 20 | 8 |
| L1 cache | 1.25 MB | 64K (per core) |
| L2 cache | 20 MB | 512 KB (per core) |
| L3 cache | 27.5 MB | 0 KB |
| Chip lithography | 14 nm | 45 nm |
| Die size | no data | 65 mm2 |
| Maximum core temperature | 86 °C | 90 °C |
| Number of transistors | no data | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | + | - |
Compatibility
Information on Xeon Gold 6138 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 | 4 (Multiprocessor) | 1 (Uniprocessor) |
| Socket | FCLGA3647 | T-PBGA518 |
| Power consumption (TDP) | 125 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6138 and Atom Z650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 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 | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Xeon Gold 6138 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6138 and Atom Z650 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6138 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR2 |
| Maximum memory size | 768 GB | 2.93 GB |
| Max memory channels | 6 | 1 |
| Maximum memory bandwidth | 128.001 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 Gold 6138 and Atom Z650 integrated GPUs.
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6138 and Atom Z650.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 48 | no data |
| PCI support | no data | - |
Pros & cons summary
| Recency | 25 April 2017 | 11 April 2011 |
| Physical cores | 20 | 1 |
| Threads | 40 | 2 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 125 Watt | 3 Watt |
Xeon Gold 6138 has an age advantage of 6 years, 1900% more physical cores and 1900% more threads, and a 221.4% more advanced lithography process.
Atom Z650, on the other hand, has 4066.7% lower power consumption.
We couldn't decide between Intel Xeon Gold 6138 and Intel Atom Z650. We've got no test results to judge.
Be aware that Xeon Gold 6138 is a server/workstation processor while Atom Z650 is a notebook one.
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