Ryzen Threadripper 2950X vs Core 2 Quad Q8400s
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 466 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 5.91 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | no data | 3.95 |
| Designer | Intel | AMD |
| Manufacturer | Intel | GlobalFoundries |
| Architecture codename | Yorkfield (2007−2009) | ZEN+ (2018−2019) |
| Release date | 19 April 2009 (17 years ago) | 13 August 2018 (7 years ago) |
| Launch price (MSRP) | no data | $899 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Core 2 Quad Q8400s and Ryzen Threadripper 2950X: 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 | 3.5 GHz |
| Boost clock speed | 0.67 GHz | 4.4 GHz |
| Bus rate | 1333 MHz | 4 × 8 GT/s |
| Multiplier | no data | 35 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 4 MB (shared) | 512K (per core) |
| L3 cache | 0 KB | 32 MB |
| Chip lithography | 45 nm | 12 nm |
| Die size | 2x 82 mm2 | 213 mm2 |
| Maximum case temperature (TCase) | 76 °C | no data |
| Number of transistors | 456 million | 19,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q8400s and Ryzen Threadripper 2950X 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 (Uniprocessor) |
| Socket | FCLGA775,LGA775 | Socket TR4 |
| Power consumption (TDP) | 65 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8400s and Ryzen Threadripper 2950X. You'll probably need this information if you require some particular technology.
| 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 |
| Precision Boost 2 | no data | + |
Security technologies
Core 2 Quad Q8400s and Ryzen Threadripper 2950X 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 Quad Q8400s and Ryzen Threadripper 2950X are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400s and Ryzen Threadripper 2950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4 Quad-channel |
| Maximum memory size | no data | 2 TiB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 93.867 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | - |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q8400s and Ryzen Threadripper 2950X.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 19 April 2009 | 13 August 2018 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 45 nm | 12 nm |
| Power consumption (TDP) | 65 Watt | 180 Watt |
Core 2 Quad Q8400s has 177% lower power consumption.
Ryzen Threadripper 2950X, on the other hand, has an age advantage of 9 years, 300% more physical cores and 700% more threads, and a 275% more advanced lithography process.
We couldn't decide between Intel Core 2 Quad Q8400s and AMD Ryzen Threadripper 2950X. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
