Ryzen Threadripper 2950X vs Phenom II X3 B75
Aggregate performance score
Ryzen Threadripper 2950X outperforms Phenom II X3 B75 by a whopping 1535% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2709 | 464 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 5.99 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | 0.46 | 3.95 |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | GlobalFoundries |
| Architecture codename | Heka (2009−2010) | ZEN+ (2018−2019) |
| Release date | 1 October 2009 (16 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
Phenom II X3 B75 and Ryzen Threadripper 2950X 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) | 16 (Hexadeca-Core) |
| Threads | 3 | 32 |
| Base clock speed | 3 GHz | 3.5 GHz |
| Boost clock speed | 3 GHz | 4.4 GHz |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 35 |
| L1 cache | 128 KB (per core) | 96K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 6 MB (shared) | 32 MB |
| Chip lithography | 45 nm | 12 nm |
| Die size | 258 mm2 | 213 mm2 |
| Number of transistors | 758 million | 19,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Phenom II X3 B75 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 | AM3 | Socket TR4 |
| Power consumption (TDP) | 95 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 B75 and Ryzen Threadripper 2950X. 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 II X3 B75 and Ryzen Threadripper 2950X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 B75 and Ryzen Threadripper 2950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | 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 Phenom II X3 B75 and Ryzen Threadripper 2950X.
| PCIe version | 2.0 | no data |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 1.03 | 16.84 |
| Recency | 1 October 2009 | 13 August 2018 |
| Physical cores | 3 | 16 |
| Threads | 3 | 32 |
| Chip lithography | 45 nm | 12 nm |
| Power consumption (TDP) | 95 Watt | 180 Watt |
Phenom II X3 B75 has 89.5% lower power consumption.
Ryzen Threadripper 2950X, on the other hand, has a 1535% higher aggregate performance score, an age advantage of 8 years, 433.3% more physical cores and 966.7% more threads, and a 275% more advanced lithography process.
The AMD Ryzen Threadripper 2950X is our recommended choice as it beats the AMD Phenom II X3 B75 in performance tests.
Other comparisons
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