Ryzen Threadripper PRO 9955WX vs Xeon E3-1205 v6
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1649 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.65 | no data |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon E3 | no data |
| Power efficiency | 5.24 | no data |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Kaby Lake (2016−2019) | Shimada Peak (2025) |
| Release date | 28 March 2017 (8 years ago) | July 2025 |
| Launch price (MSRP) | $193 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX 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) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 3 GHz | 4.5 GHz |
| Boost clock speed | 3 GHz | 5.4 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 8 GT/s | no data |
| Multiplier | 30 | no data |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 8 MB | 64 MB (shared) |
| Chip lithography | 14 nm | 4 nm |
| Die size | no data | 2x 70.6 mm2 |
| Number of transistors | no data | 16,630 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
| VID voltage range | 0.55V-1.52V | no data |
Compatibility
Information on Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX 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 (Uniprocessor) | 1 |
| Socket | FCLGA1151 | sTR5 |
| Power consumption (TDP) | 65 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX. 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 | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | - | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Precision Boost 2 | no data | + |
Security technologies
Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| SGX | Yes with both Intel® SPS and Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX 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 E3-1205 v6 and Ryzen Threadripper PRO 9955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400, DDR3L-1866 | DDR5 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics P630 | N/A |
| Max video memory | 1.7 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2160@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
| Max resolution over VGA | N/A | no data |
Graphics API support
APIs supported by Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1205 v6 and Ryzen Threadripper PRO 9955WX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 128 |
Pros & cons summary
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 14 nm | 4 nm |
| Power consumption (TDP) | 65 Watt | 350 Watt |
Xeon E3-1205 v6 has 438.5% lower power consumption.
Ryzen Threadripper PRO 9955WX, on the other hand, has 300% more physical cores and 700% more threads, and a 250% more advanced lithography process.
We couldn't decide between Intel Xeon E3-1205 v6 and AMD Ryzen Threadripper PRO 9955WX. We've got no test results to judge.
Be aware that Xeon E3-1205 v6 is a server/workstation processor while Ryzen Threadripper PRO 9955WX is a desktop one.
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