Xeon Gold 6346 vs Core 2 Quad Q8400s
Primary details
Comparing Core 2 Quad Q8400s and Xeon Gold 6346 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 213 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | no data | 10.94 |
| Architecture codename | Yorkfield (2007−2009) | Ice Lake-SP (2021) |
| Release date | 19 April 2009 (15 years ago) | 6 April 2021 (3 years ago) |
Detailed specifications
Core 2 Quad Q8400s and Xeon Gold 6346 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) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 2.66 GHz | 3.1 GHz |
| Boost clock speed | 0.67 GHz | 3.6 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 4 MB (shared) | 1 MB (per core) |
| L3 cache | 0 KB | 36 MB (shared) |
| Chip lithography | 45 nm | 10 nm |
| Die size | 2x 82 mm2 | no data |
| Maximum case temperature (TCase) | 76 °C | 78 °C |
| 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 Q8400s and Xeon Gold 6346 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 |
| Socket | FCLGA775,LGA775 | FCLGA4189 |
| Power consumption (TDP) | 65 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8400s and Xeon Gold 6346. 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 |
| Deep Learning Boost | - | + |
Security technologies
Core 2 Quad Q8400s and Xeon Gold 6346 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q8400s and Xeon Gold 6346 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 Q8400s and Xeon Gold 6346. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-3200 |
| Maximum memory size | no data | 6 TB |
| Max memory channels | no data | 8 |
| 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 Q8400s and Xeon Gold 6346.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | no data | 64 |
Pros & cons summary
| Recency | 19 April 2009 | 6 April 2021 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 65 Watt | 205 Watt |
Core 2 Quad Q8400s has 215.4% lower power consumption.
Xeon Gold 6346, on the other hand, has an age advantage of 11 years, 300% more physical cores and 700% more threads, and a 350% more advanced lithography process.
We couldn't decide between Core 2 Quad Q8400s and Xeon Gold 6346. We've got no test results to judge.
Note that Core 2 Quad Q8400s is a desktop processor while Xeon Gold 6346 is a server/workstation one.
Should you still have questions on choice between Core 2 Quad Q8400s and Xeon Gold 6346, ask them in Comments section, and we shall answer.
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