Ryzen 9 5950X vs Phenom II X6 1055T (95W)
Aggregate performance score
Ryzen 9 5950X outperforms Phenom II X6 1055T (95W) by a whopping 820% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X6 1055T (95W) and Ryzen 9 5950X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1526 | 137 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.54 | 78.28 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen 9 |
| Architecture codename | Thuban (2010) | Vermeer (Zen 3) |
| Release date | 1 May 2010 (14 years ago) | 5 November 2020 (3 years ago) |
| Launch price (MSRP) | no data | $799 |
| Current price | $50 | $347 (0.4x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 9 5950X has 1313% better value for money than Phenom II X6 1055T (95W).
Detailed specifications
Phenom II X6 1055T (95W) and Ryzen 9 5950X 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) | 16 (Hexadeca-Core) |
| Threads | 6 | 32 |
| Base clock speed | 2.8 GHz | 3.4 GHz |
| Boost clock speed | 3.3 GHz | 4.9 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 6 MB (shared) | 64 MB |
| Chip lithography | 45 nm | 7 nm |
| Die size | 346 mm2 | CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 904 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Phenom II X6 1055T (95W) and Ryzen 9 5950X 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 | AM3 | AM4 |
| Power consumption (TDP) | 95 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X6 1055T (95W) and Ryzen 9 5950X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | DDR4-3200 RAM, PCIe 4, MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA |
| AES-NI | no data | + |
| AVX | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X6 1055T (95W) and Ryzen 9 5950X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X6 1055T (95W) and Ryzen 9 5950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| 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 | no data | - |
Peripherals
Specifications and connection of peripherals supported by Phenom II X6 1055T (95W) and Ryzen 9 5950X.
| PCIe version | 2.0 | 4.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Ryzen 9 5950X outperforms Phenom II X6 1055T (95W) by 820% based on our aggregate benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Ryzen 9 5950X outperforms Phenom II X6 1055T (95W) by 819% in Passmark.
Pros & cons summary
| Performance score | 3.21 | 29.52 |
| Recency | 1 May 2010 | 5 November 2020 |
| Physical cores | 6 | 16 |
| Threads | 6 | 32 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 95 Watt | 105 Watt |
The Ryzen 9 5950X is our recommended choice as it beats the Phenom II X6 1055T (95W) in performance tests.
Should you still have questions on choice between Phenom II X6 1055T (95W) and Ryzen 9 5950X, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
