FX-8170 vs Ryzen Threadripper 3990X
Primary details
Comparing Ryzen Threadripper 3990X and FX-8170 processor market type (desktop or notebook), architecture, sales start time and price.
Place in performance ranking | 32 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 8.71 | no data |
Market segment | Desktop processor | Desktop processor |
Series | AMD Ryzen Threadripper | no data |
Architecture codename | Matisse (2019−2020) | Zambezi (2011−2012) |
Release date | 25 November 2019 (4 years ago) | 23 October 2012 (11 years ago) |
Launch price (MSRP) | $3,999 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen Threadripper 3990X and FX-8170 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 | 64 (Tetrahexaconta-Core) | 8 (Octa-Core) |
Threads | 128 | 8 |
Base clock speed | 2.9 GHz | 3.9 GHz |
Boost clock speed | 4.3 GHz | 4.5 GHz |
Multiplier | 29 | no data |
L1 cache | 4 MB | 384 KB |
L2 cache | 32 MB | 8 MB |
L3 cache | 256 MB | 8 MB (shared) |
Chip lithography | 7 nm, 12 nm | 32 nm |
Die size | 74 mm2 | 315 mm2 |
Maximum case temperature (TCase) | 95 °C | no data |
Number of transistors | 38740 Million | 1,200 million |
64 bit support | + | + |
Windows 11 compatibility | + | - |
Unlocked multiplier | + | + |
Compatibility
Information on Ryzen Threadripper 3990X and FX-8170 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 | TR4 | AM3+ |
Power consumption (TDP) | 280 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and FX-8170. You'll probably need this information if you require some particular technology.
AES-NI | + | + |
FMA | - | + |
AVX | + | + |
Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and FX-8170 are enumerated here.
AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and FX-8170. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR4-3200 | DDR3 |
Maximum memory size | 256 GB | no data |
Max memory channels | 4 | no data |
Maximum memory bandwidth | 102.403 GB/s | no data |
ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and FX-8170.
PCIe version | 4.0 | 2.0 |
Pros & cons summary
Recency | 25 November 2019 | 23 October 2012 |
Physical cores | 64 | 8 |
Threads | 128 | 8 |
Chip lithography | 7 nm | 32 nm |
Power consumption (TDP) | 280 Watt | 125 Watt |
Ryzen Threadripper 3990X has an age advantage of 7 years, 700% more physical cores and 1500% more threads, and a 357.1% more advanced lithography process.
FX-8170, on the other hand, has 124% lower power consumption.
We couldn't decide between Ryzen Threadripper 3990X and FX-8170. We've got no test results to judge.
Should you still have questions on choice between Ryzen Threadripper 3990X and FX-8170, ask them in Comments section, and we shall answer.
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