Xeon Gold 6421N vs Ryzen 7 7800X3D
Aggregate performance score
Xeon Gold 6421N outperforms Ryzen 7 7800X3D by an impressive 72% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 7800X3D and Xeon Gold 6421N processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 245 | 90 |
| Place by popularity | 16 | not in top-100 |
| Cost-effectiveness evaluation | 36.26 | 44.73 |
| Market segment | Desktop processor | Server |
| Power efficiency | 17.02 | 18.94 |
| Architecture codename | Raphael (Zen4) (2022−2023) | Sapphire Rapids (2023−2024) |
| Release date | 4 January 2023 (1 year ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $449 | $2,368 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Gold 6421N has 23% better value for money than Ryzen 7 7800X3D.
Detailed specifications
Ryzen 7 7800X3D and Xeon Gold 6421N 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 | 8 (Octa-Core) | 32 (Dotriaconta-Core) |
| Threads | 16 | 64 |
| Base clock speed | 4.4 GHz | 1.8 GHz |
| Boost clock speed | 5 GHz | 3.6 GHz |
| Bus rate | 162 MHz | no data |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 96 MB (shared) | 60 MB |
| Chip lithography | 5 nm | Intel 7 nm |
| Die size | 71 mm2 | no data |
| Maximum core temperature | 89 °C | no data |
| Maximum case temperature (TCase) | 61 °C | 85 °C |
| Number of transistors | 6,570 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 7 7800X3D and Xeon Gold 6421N 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 | AM5 | FCLGA4677 |
| Power consumption (TDP) | 120 Watt | 185 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7800X3D and Xeon Gold 6421N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512, BMI1, BMI2, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT SHA, XFR2, Precision Boost 2 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 7 7800X3D and Xeon Gold 6421N technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 7800X3D and Xeon Gold 6421N 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 Ryzen 7 7800X3D and Xeon Gold 6421N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR5-4400 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 7800X3D and Xeon Gold 6421N.
| PCIe version | 5.0 | 5 |
| PCI Express lanes | 24 | 80 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 21.58 | 37.02 |
| Physical cores | 8 | 32 |
| Threads | 16 | 64 |
| Power consumption (TDP) | 120 Watt | 185 Watt |
Ryzen 7 7800X3D has 54.2% lower power consumption.
Xeon Gold 6421N, on the other hand, has a 71.5% higher aggregate performance score, and 300% more physical cores and 300% more threads.
The Xeon Gold 6421N is our recommended choice as it beats the Ryzen 7 7800X3D in performance tests.
Note that Ryzen 7 7800X3D is a desktop processor while Xeon Gold 6421N is a server/workstation one.
Should you still have questions on choice between Ryzen 7 7800X3D and Xeon Gold 6421N, ask them in Comments section, and we shall answer.
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