Xeon Gold 5420+ vs Ryzen 9 6900HX
Aggregate performance score
Xeon Gold 5420+ outperforms Ryzen 9 6900HX by a whopping 135% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 6900HX and Xeon Gold 5420+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 437 | 95 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 59.52 |
| Market segment | Laptop | Server |
| Series | AMD Rembrandt (Zen 3+) | no data |
| Power efficiency | 32.79 | 16.92 |
| Architecture codename | Rembrandt-H (Zen 3+) (2022) | Sapphire Rapids (2023−2024) |
| Release date | January 2022 (2 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $1,848 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 6900HX and Xeon Gold 5420+ 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) | 28 (Octacosa-Core) |
| Threads | 16 | 56 |
| Base clock speed | 3.3 GHz | 2 GHz |
| Boost clock speed | 4.9 GHz | 4.1 GHz |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 512K (per core) | 2 MB (per core) |
| L3 cache | 16 MB (shared) | 52.5 MB |
| Chip lithography | 6 nm | 10 nm |
| Die size | 208 mm2 | no data |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | no data | 84 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 6900HX and Xeon Gold 5420+ 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 | 2 |
| Socket | FP7 | 4677 |
| Power consumption (TDP) | 45 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 6900HX and Xeon Gold 5420+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 6900HX and Xeon Gold 5420+ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 6900HX and Xeon Gold 5420+ are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 6900HX and Xeon Gold 5420+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5-4400 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 680M | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 6900HX and Xeon Gold 5420+.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 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 | 15.59 | 36.65 |
| Physical cores | 8 | 28 |
| Threads | 16 | 56 |
| Chip lithography | 6 nm | 10 nm |
| Power consumption (TDP) | 45 Watt | 205 Watt |
Ryzen 9 6900HX has a 66.7% more advanced lithography process, and 355.6% lower power consumption.
Xeon Gold 5420+, on the other hand, has a 135.1% higher aggregate performance score, and 250% more physical cores and 250% more threads.
The Xeon Gold 5420+ is our recommended choice as it beats the Ryzen 9 6900HX in performance tests.
Be aware that Ryzen 9 6900HX is a notebook processor while Xeon Gold 5420+ is a server/workstation one.
Should you still have questions on choice between Ryzen 9 6900HX and Xeon Gold 5420+, ask them in Comments section, and we shall answer.
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