Ryzen 9 7900X vs Core i7-3960X Extreme Edition
Aggregate performance score
Ryzen 9 7900X outperforms i7-3960X Extreme Edition by a whopping 483% based on our aggregate benchmark results.
Primary details
Comparing Core i7-3960X Extreme Edition and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1069 | 103 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.23 | 71.25 |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i7EE | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Raphael (Zen4) |
| Release date | 14 November 2011 (12 years ago) | 27 September 2022 (1 year ago) |
| Current price | $350 | $493 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 9 7900X has 5693% better value for money than i7-3960X Extreme Edition.
Detailed specifications
Core i7-3960X Extreme Edition and Ryzen 9 7900X 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 | 6 (Hexa-Core) | 12 (Dodeca-Core) |
| Threads | 12 | 24 |
| Base clock speed | no data | 4.7 GHz |
| Boost clock speed | 3.3 GHz | 5.6 GHz |
| Bus support | 5 GT/s | no data |
| L1 cache | no data | 64K (per core) |
| L2 cache | 1,536 KB | 1 MB (per core) |
| L3 cache | 15 MB | 64 MB (shared) |
| Chip lithography | 32 nm | 5 nm |
| Die size | 434.72 mm220.9 mm × 20.8 mm | 2x 70 (CCD) mm2 + 122 (I/O) mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | 2270 Million | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Core i7-3960X Extreme Edition and Ryzen 9 7900X 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 (Uniprocessor) | 1 |
| Socket | no data | AM5 |
| Power consumption (TDP) | 130 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3960X Extreme Edition and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-3960X Extreme Edition and Ryzen 9 7900X are enumerated here.
| AMD-V | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-3960X Extreme Edition and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-5200 |
| Maximum memory size | 64 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon Graphics (Ryzen 7000) |
Peripherals
Specifications and connection of peripherals supported by Core i7-3960X Extreme Edition and Ryzen 9 7900X.
| PCIe version | 2.00 | 5.0 |
| PCI Express lanes | 40 | 24 |
Pros & cons summary
| Performance score | 5.75 | 33.51 |
| Recency | 14 November 2011 | 27 September 2022 |
| Physical cores | 6 | 12 |
| Threads | 12 | 24 |
| Chip lithography | 32 nm | 5 nm |
| Power consumption (TDP) | 130 Watt | 170 Watt |
The Ryzen 9 7900X is our recommended choice as it beats the Core i7-3960X Extreme Edition in performance tests.
Should you still have questions on choice between Core i7-3960X Extreme Edition and Ryzen 9 7900X, ask them in Comments section, and we shall answer.
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