Ryzen 9 3900XT vs Phenom X3 8750 BE
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 318 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 24.59 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen 9 |
| Power efficiency | no data | 18.61 |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Toliman (2008) | Matisse 2 (2020) |
| Release date | September 2008 (16 years ago) | 7 July 2020 (4 years ago) |
| Launch price (MSRP) | no data | $499 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Phenom X3 8750 BE and Ryzen 9 3900XT 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 | 3 (Tri-Core) | 12 (Dodeca-Core) |
| Threads | 3 | 24 |
| Base clock speed | no data | 3.8 GHz |
| Boost clock speed | 2.4 GHz | 4.7 GHz |
| L1 cache | 128 KB (per core) | 96K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 2 MB (shared) | 64 MB |
| Chip lithography | 65 nm | 7 nm, 12 nm |
| Die size | 285 mm2 | 74 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 450 million | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Phenom X3 8750 BE and Ryzen 9 3900XT 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 | AM2+ | AM4 |
| Power consumption (TDP) | 95 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom X3 8750 BE and Ryzen 9 3900XT. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom X3 8750 BE and Ryzen 9 3900XT are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom X3 8750 BE and Ryzen 9 3900XT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 51.196 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Phenom X3 8750 BE and Ryzen 9 3900XT.
| PCIe version | no data | 4.0 |
Pros & cons summary
| Physical cores | 3 | 12 |
| Threads | 3 | 24 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 95 Watt | 105 Watt |
Phenom X3 8750 BE has 10.5% lower power consumption.
Ryzen 9 3900XT, on the other hand, has 300% more physical cores and 700% more threads, and a 828.6% more advanced lithography process.
We couldn't decide between AMD Phenom X3 8750 BE and AMD Ryzen 9 3900XT. We've got no test results to judge.
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