Xeon Gold 6138P vs Core 2 Quad Q9400s
Primary details
Comparing Core 2 Quad Q9400s and Xeon Gold 6138P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon Gold |
| Architecture codename | Yorkfield (2007−2009) | Skylake (server) (2017−2018) |
| Release date | 18 January 2009 (15 years ago) | 16 May 2018 (6 years ago) |
| Launch price (MSRP) | no data | $4,937 |
Detailed specifications
Core 2 Quad Q9400s and Xeon Gold 6138P 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) | 20 (Icosa-Core) |
| Threads | 4 | 40 |
| Base clock speed | 2.66 GHz | 2 GHz |
| Boost clock speed | 0.67 GHz | 3.7 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | 1333 MHz | 4 × 8 GT/s |
| Multiplier | no data | 20 |
| L1 cache | 64 KB (per core) | 1.25 MB |
| L2 cache | 6 MB (shared) | 20 MB |
| L3 cache | 0 KB | 27.5 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 2x 82 mm2 | no data |
| Maximum case temperature (TCase) | 76 °C | no data |
| Number of transistors | 456 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q9400s and Xeon Gold 6138P 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 | 2 (Multiprocessor) |
| Socket | LGA775 | FCLGA3647 |
| Power consumption (TDP) | 65 Watt | 195 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9400s and Xeon Gold 6138P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | - |
| FSB parity | - | no data |
Security technologies
Core 2 Quad Q9400s and Xeon Gold 6138P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q9400s and Xeon Gold 6138P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400s and Xeon Gold 6138P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-2666 |
| Maximum memory size | no data | 768 GB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 128.001 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q9400s and Xeon Gold 6138P.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Recency | 18 January 2009 | 16 May 2018 |
| Physical cores | 4 | 20 |
| Threads | 4 | 40 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 195 Watt |
Core 2 Quad Q9400s has 200% lower power consumption.
Xeon Gold 6138P, on the other hand, has an age advantage of 9 years, 400% more physical cores and 900% more threads, and a 221.4% more advanced lithography process.
We couldn't decide between Core 2 Quad Q9400s and Xeon Gold 6138P. We've got no test results to judge.
Note that Core 2 Quad Q9400s is a desktop processor while Xeon Gold 6138P is a server/workstation one.
Should you still have questions on choice between Core 2 Quad Q9400s and Xeon Gold 6138P, ask them in Comments section, and we shall answer.
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