Xeon Gold 6126F vs Core 2 Quad Q8400
Primary details
Comparing Core 2 Quad Q8400 and Xeon Gold 6126F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2240 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon Gold |
| Power efficiency | 1.29 | no data |
| Architecture codename | Yorkfield (2007−2009) | Skylake (server) (2017−2019) |
| Release date | 19 April 2009 (15 years ago) | 11 July 2017 (7 years ago) |
| Launch price (MSRP) | no data | $1,931 |
Detailed specifications
Core 2 Quad Q8400 and Xeon Gold 6126F 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 | 4 | 24 |
| Base clock speed | 2.66 GHz | 2.6 GHz |
| Boost clock speed | 0.67 GHz | 3.7 GHz |
| Bus rate | 1333 MHz | no data |
| Multiplier | no data | 26 |
| L1 cache | 64 KB (per core) | 768 KB |
| L2 cache | 4 MB (shared) | 12 MB |
| L3 cache | 0 KB | 19.25 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 2x 82 mm2 | no data |
| Maximum core temperature | no data | 86 °C |
| Maximum case temperature (TCase) | 71 °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 Q8400 and Xeon Gold 6126F 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 (Multiprocessor) |
| Socket | FCLGA775,LGA775 | FCLGA3647 |
| Power consumption (TDP) | 95 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Xeon Gold 6126F. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, 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 |
| Status | Discontinued | Discontinued |
Security technologies
Core 2 Quad Q8400 and Xeon Gold 6126F 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 Q8400 and Xeon Gold 6126F are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Xeon Gold 6126F. 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 Q8400 and Xeon Gold 6126F.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Recency | 19 April 2009 | 11 July 2017 |
| Physical cores | 4 | 12 |
| Threads | 4 | 24 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 135 Watt |
Core 2 Quad Q8400 has 42.1% lower power consumption.
Xeon Gold 6126F, on the other hand, has an age advantage of 8 years, 200% more physical cores and 500% more threads, and a 221.4% more advanced lithography process.
We couldn't decide between Core 2 Quad Q8400 and Xeon Gold 6126F. We've got no test results to judge.
Note that Core 2 Quad Q8400 is a desktop processor while Xeon Gold 6126F is a server/workstation one.
Should you still have questions on choice between Core 2 Quad Q8400 and Xeon Gold 6126F, ask them in Comments section, and we shall answer.
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