Ryzen 9 7950X3D vs Core 2 Extreme QX9775
Primary details
Comparing Core 2 Extreme QX9775 and Ryzen 9 7950X3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 68 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 56.78 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen 9 |
| Power efficiency | no data | 31.03 |
| Architecture codename | Yorkfield (2007−2009) | Raphael (Zen4) (2022−2023) |
| Release date | March 2008 (16 years ago) | 4 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $699 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Extreme QX9775 and Ryzen 9 7950X3D 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 | 3.2 GHz | 4.2 GHz |
| Boost clock speed | 3.2 GHz | 5.7 GHz |
| Bus rate | 1600 MHz | 64K (per core) |
| L1 cache | 64K (per core) | 1024 KB |
| L2 cache | 12 MB (shared) | 16 MB |
| L3 cache | 0 KB | 128 MB (shared) |
| Chip lithography | 45 nm | 5 nm, 6 nm |
| Die size | 2x 107 mm2 | 71+71+122 mm |
| Maximum core temperature | no data | 89 °C |
| Maximum case temperature (TCase) | 63 °C | 47 °C |
| Number of transistors | 820 million | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | + |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Core 2 Extreme QX9775 and Ryzen 9 7950X3D 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 | 1 |
| Socket | LGA771 | AM5 |
| Power consumption (TDP) | 150 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Ryzen 9 7950X3D. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512F, FMA3, SHA, XFR2, Precision Boost 2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Precision Boost 2 | no data | + |
Security technologies
Core 2 Extreme QX9775 and Ryzen 9 7950X3D technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Ryzen 9 7950X3D are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Ryzen 9 7950X3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5-5200 |
| Maximum memory size | no data | 128 GB |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon Graphics (Ryzen 7000) (400 - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Ryzen 9 7950X3D.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 150 Watt | 120 Watt |
Ryzen 9 7950X3D has 300% more physical cores and 700% more threads, a 800% more advanced lithography process, and 25% lower power consumption.
We couldn't decide between Core 2 Extreme QX9775 and Ryzen 9 7950X3D. We've got no test results to judge.
Should you still have questions on choice between Core 2 Extreme QX9775 and Ryzen 9 7950X3D, ask them in Comments section, and we shall answer.
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