Xeon E5-2470 v2 vs Core 2 Quad Q9400s
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1242 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | no data | 2.71 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Yorkfield (2007−2009) | Ivy Bridge-EN (2013−2014) |
| Release date | 18 January 2009 (16 years ago) | 1 September 2013 (12 years ago) |
Detailed specifications
Core 2 Quad Q9400s and Xeon E5-2470 v2 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) | 10 (Deca-Core) |
| Threads | 4 | 20 |
| Base clock speed | 2.66 GHz | 2.4 GHz |
| Boost clock speed | 0.67 GHz | 3.2 GHz |
| Bus rate | 1333 MHz | 8 GT/s |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 6 MB (shared) | 256 KB (per core) |
| L3 cache | 0 KB | 25 MB (shared) |
| Chip lithography | 45 nm | 22 nm |
| Die size | 2x 82 mm2 | 160 mm2 |
| Maximum core temperature | no data | 80 °C |
| Maximum case temperature (TCase) | 76 °C | no data |
| Number of transistors | 456 million | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q9400s and Xeon E5-2470 v2 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 | LGA775 | FCLGA1356 |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9400s and Xeon E5-2470 v2. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | - |
| Demand Based Switching | - | + |
| PAE | no data | 46 Bit |
| FSB parity | - | no data |
Security technologies
Core 2 Quad Q9400s and Xeon E5-2470 v2 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q9400s and Xeon E5-2470 v2 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 E5-2470 v2. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
| Maximum memory size | no data | 384 GB |
| Max memory channels | no data | 3 |
| Maximum memory bandwidth | no data | 38.4 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 E5-2470 v2.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Recency | 18 January 2009 | 1 September 2013 |
| Physical cores | 4 | 10 |
| Threads | 4 | 20 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Core 2 Quad Q9400s has 46.2% lower power consumption.
Xeon E5-2470 v2, on the other hand, has an age advantage of 4 years, 150% more physical cores and 400% more threads, and a 104.5% more advanced lithography process.
We couldn't decide between Intel Core 2 Quad Q9400s and Intel Xeon E5-2470 v2. We've got no test results to judge.
Note that Core 2 Quad Q9400s is a desktop processor while Xeon E5-2470 v2 is a server/workstation one.
Other comparisons
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