Xeon E7420 vs Ryzen Threadripper 3990X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 72 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 9.75 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 6.88 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Matisse (2019−2020) | Dunnington (2008) |
| Release date | 7 February 2020 (6 years ago) | 15 September 2008 (17 years ago) |
| Launch price (MSRP) | $3,999 | $1,177 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen Threadripper 3990X and Xeon E7420 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 | 64 (Tetrahexaconta-Core) | 4 (Quad-Core) |
| Threads | 128 | 4 |
| Base clock speed | 2.9 GHz | 2.13 GHz |
| Boost clock speed | 4.3 GHz | 0.13 GHz |
| Multiplier | 29 | no data |
| L1 cache | 96K (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 3 MB (per module) |
| L3 cache | 256 MB | 8 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 45 nm |
| Die size | 74 mm2 | 503 mm2 |
| Maximum case temperature (TCase) | 95 °C | 64 °C |
| Number of transistors | 3,800 million | 1,900 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | 0.9V-1.45V |
Compatibility
Information on Ryzen Threadripper 3990X and Xeon E7420 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 | 4 |
| Socket | TR4 | PGA604 |
| Power consumption (TDP) | 280 Watt | 90 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and Xeon E7420. 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 | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen Threadripper 3990X and Xeon E7420 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 Ryzen Threadripper 3990X and Xeon E7420 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and Xeon E7420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR2, DDR3 |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 102.403 GB/s | no data |
| 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 Ryzen Threadripper 3990X and Xeon E7420.
| PCIe version | 4.0 | no data |
Pros & cons summary
| Recency | 7 February 2020 | 15 September 2008 |
| Physical cores | 64 | 4 |
| Threads | 128 | 4 |
| Chip lithography | 7 nm | 45 nm |
| Power consumption (TDP) | 280 Watt | 90 Watt |
Ryzen Threadripper 3990X has an age advantage of 11 years, 1500% more physical cores and 3100% more threads, and a 543% more advanced lithography process.
Xeon E7420, on the other hand, has 211% lower power consumption.
We couldn't decide between AMD Ryzen Threadripper 3990X and Intel Xeon E7420. We've got no test results to judge.
Note that Ryzen Threadripper 3990X is a desktop processor while Xeon E7420 is a server/workstation one.
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