Threadripper PRO 7955WX vs Xeon L5420
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2570 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.03 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Harpertown (2007−2008) | Storm Peak (2023) |
| Release date | 25 March 2008 (18 years ago) | 19 October 2023 (2 years ago) |
| Launch price (MSRP) | $380 | $1,899 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Xeon L5420 and Threadripper PRO 7955WX: 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 | 2.5 GHz | 4.5 GHz |
| Boost clock speed | 2.5 GHz | 5.3 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 6 MB (per die) | 1 MB (per core) |
| L3 cache | 12 MB L2 Cache | 64 MB (shared) |
| Chip lithography | 45 nm | 5 nm |
| Die size | 2x 107 mm2 | 2x 71 mm2 |
| Maximum case temperature (TCase) | 57 °C | no data |
| Number of transistors | 820 million | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon L5420 and Threadripper PRO 7955WX 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 | 2 | 1 |
| Socket | LGA771 | sTR5 |
| Power consumption (TDP) | 50 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L5420 and Threadripper PRO 7955WX. 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 |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon L5420 and Threadripper PRO 7955WX 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 L5420 and Threadripper PRO 7955WX are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon L5420 and Threadripper PRO 7955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 Depends on motherboard | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon L5420 and Threadripper PRO 7955WX.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | no data | 144 |
Pros & cons summary
| Recency | 25 March 2008 | 19 October 2023 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 50 Watt | 350 Watt |
Xeon L5420 has 600% lower power consumption.
Threadripper PRO 7955WX, on the other hand, has an age advantage of 15 years, 300% more physical cores and 700% more threads, and a 800% more advanced lithography process.
We couldn't decide between Intel Xeon L5420 and AMD Threadripper PRO 7955WX. We've got no test results to judge.
Be aware that Xeon L5420 is a server/workstation processor while Threadripper PRO 7955WX is a desktop one.
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