Athlon II X4 651K vs Ryzen Threadripper 1920X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 666 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.34 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 3.09 | no data |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | no data |
| Architecture codename | Zen (2017−2020) | Llano (2011−2012) |
| Release date | 10 August 2017 (8 years ago) | 14 November 2011 (14 years ago) |
| Launch price (MSRP) | $799 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen Threadripper 1920X and Athlon II X4 651K 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 | 12 (Dodeca-Core) | 4 (Quad-Core) |
| Threads | 24 | 4 |
| Base clock speed | 3.5 GHz | 3 GHz |
| Boost clock speed | 4.2 GHz | 3 GHz |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 96K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 32 MB | 0 KB |
| Chip lithography | 14 nm | 32 nm |
| Die size | 213 mm2 | 228 mm2 |
| Number of transistors | 9,600 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen Threadripper 1920X and Athlon II X4 651K 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 | SP3r2 | FM1 |
| Power consumption (TDP) | 180 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 1920X and Athlon II X4 651K. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 1920X and Athlon II X4 651K are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1920X and Athlon II X4 651K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Quad-channel | DDR3 |
| Maximum memory size | 2 TiB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper 1920X and Athlon II X4 651K.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 60 | no data |
Pros & cons summary
| Recency | 10 August 2017 | 14 November 2011 |
| Physical cores | 12 | 4 |
| Threads | 24 | 4 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 180 Watt | 100 Watt |
Ryzen Threadripper 1920X has an age advantage of 5 years, 200% more physical cores and 500% more threads, and a 129% more advanced lithography process.
Athlon II X4 651K, on the other hand, has 80% lower power consumption.
We couldn't decide between AMD Ryzen Threadripper 1920X and AMD Athlon II X4 651K. We've got no test results to judge.
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