Threadripper PRO 7945WX vs Xeon E3-1271 v3
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1490 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | 2.26 | no data |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | no data | Storm Peak (2023) |
| Release date | 1 April 2014 (11 years ago) | 19 October 2023 (2 years ago) |
| Launch price (MSRP) | no data | $1,399 |
Detailed specifications
Xeon E3-1271 v3 and Threadripper PRO 7945WX 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 | 4 (Quad-Core) | 12 (Dodeca-Core) |
| Threads | 8 | 24 |
| Base clock speed | 3.6 GHz | 4.7 GHz |
| Boost clock speed | 4 GHz | 5.3 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 8 MB Intel® Smart Cache | 64 MB (shared) |
| Chip lithography | 22 nm | 5 nm |
| Die size | no data | 2x 71 mm2 |
| Number of transistors | no data | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E3-1271 v3 and Threadripper PRO 7945WX 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 | FCLGA1150 | sTR5 |
| Power consumption (TDP) | 80 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Threadripper PRO 7945WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| SIPP | + | - |
| Fast Memory Access | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon E3-1271 v3 and Threadripper PRO 7945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | + | - |
| OS Guard | + | no data |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1271 v3 and Threadripper PRO 7945WX are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Threadripper PRO 7945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3L-1333, DDR3L-1600 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Threadripper PRO 7945WX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 144 |
Pros & cons summary
| Recency | 1 April 2014 | 19 October 2023 |
| Physical cores | 4 | 12 |
| Threads | 8 | 24 |
| Chip lithography | 22 nm | 5 nm |
| Power consumption (TDP) | 80 Watt | 350 Watt |
Xeon E3-1271 v3 has 337.5% lower power consumption.
Threadripper PRO 7945WX, on the other hand, has an age advantage of 9 years, 200% more physical cores and 200% more threads, and a 340% more advanced lithography process.
We couldn't decide between Intel Xeon E3-1271 v3 and AMD Threadripper PRO 7945WX. We've got no test results to judge.
Be aware that Xeon E3-1271 v3 is a server/workstation processor while Threadripper PRO 7945WX is a desktop one.
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