Ryzen Threadripper PRO 3955WX vs Xeon L7445
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 303 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 12.77 |
| Market segment | Server | Server |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | no data | 3.44 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Dunnington (2008) | Castle Peak (2020) |
| Release date | 15 September 2008 (17 years ago) | 14 July 2020 (5 years ago) |
| Launch price (MSRP) | $1,980 | $1,149 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Xeon L7445 and Ryzen Threadripper PRO 3955WX: 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 | 4 (Quad-Core) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 2.13 GHz | 3.9 GHz |
| Boost clock speed | 0.13 GHz | 4.3 GHz |
| Multiplier | no data | 39 |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 3 MB (per module) | 512 KB (per core) |
| L3 cache | 12 MB (shared) | 64 MB |
| Chip lithography | 45 nm | 7 nm, 12 nm |
| Die size | 503 mm2 | 2x 74 mm2 |
| Maximum case temperature (TCase) | 64 °C | 95 °C |
| Number of transistors | 1,900 million | 7,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.9V-1.45V | no data |
Compatibility
Information on Xeon L7445 and Ryzen Threadripper PRO 3955WX 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 | 4 | 1 |
| Socket | PGA604 | WRX8 |
| Power consumption (TDP) | 50 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L7445 and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
Security technologies
Xeon L7445 and Ryzen Threadripper PRO 3955WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon L7445 and Ryzen Threadripper PRO 3955WX are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon L7445 and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 | DDR4-3200 |
| Maximum memory size | no data | 2 TiB |
| Maximum memory bandwidth | no data | 204.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon L7445 and Ryzen Threadripper PRO 3955WX.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 15 September 2008 | 14 July 2020 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 50 Watt | 280 Watt |
Xeon L7445 has 460% lower power consumption.
Ryzen Threadripper PRO 3955WX, on the other hand, has an age advantage of 11 years, 300% more physical cores and 700% more threads, and a 543% more advanced lithography process.
We couldn't decide between Intel Xeon L7445 and AMD Ryzen Threadripper PRO 3955WX. We've got no test results to judge.
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