Ryzen Threadripper PRO 3975WX vs Xeon E7420
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 124 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | no data | 5.37 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Dunnington (2008) | Matisse (2019−2020) |
| Release date | 15 September 2008 (17 years ago) | 14 July 2020 (5 years ago) |
| Launch price (MSRP) | $1,177 | no data |
Detailed specifications
Xeon E7420 and Ryzen Threadripper PRO 3975WX 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) | 32 (Dotriaconta-Core) |
| Threads | 4 | 64 |
| Base clock speed | 2.13 GHz | 3.5 GHz |
| Boost clock speed | 0.13 GHz | 4.2 GHz |
| Multiplier | no data | 35 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 3 MB (per module) | 512K (per core) |
| L3 cache | 8 MB (shared) | 128 MB |
| Chip lithography | 45 nm | 7 nm, 12 nm |
| Die size | 503 mm2 | 74 mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | 64 °C | 95 °C |
| Number of transistors | 1,900 million | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
| VID voltage range | 0.9V-1.45V | no data |
Compatibility
Information on Xeon E7420 and Ryzen Threadripper PRO 3975WX 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 | sWRX8 |
| Power consumption (TDP) | 90 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7420 and Ryzen Threadripper PRO 3975WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2 |
| 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 |
| Precision Boost 2 | no data | + |
Security technologies
Xeon E7420 and Ryzen Threadripper PRO 3975WX 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 E7420 and Ryzen Threadripper PRO 3975WX are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E7420 and Ryzen Threadripper PRO 3975WX. 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) | - |
Peripherals
Specifications and connection of peripherals supported by Xeon E7420 and Ryzen Threadripper PRO 3975WX.
| 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 | 32 |
| Threads | 4 | 64 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 90 Watt | 280 Watt |
Xeon E7420 has 211% lower power consumption.
Ryzen Threadripper PRO 3975WX, on the other hand, has an age advantage of 11 years, 700% more physical cores and 1500% more threads, and a 543% more advanced lithography process.
We couldn't decide between Intel Xeon E7420 and AMD Ryzen Threadripper PRO 3975WX. We've got no test results to judge.
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