Xeon Gold 6438Y+ vs Gold 5420+
Aggregate performance score
Xeon Gold 6438Y+ outperforms Xeon Gold 5420+ by a small 8% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 118 | 85 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 59.67 | 33.41 |
| Market segment | Server | Server |
| Power efficiency | 6.83 | 7.35 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Sapphire Rapids (2023−2024) | Sapphire Rapids (2023−2024) |
| Release date | 10 January 2023 (2 years ago) | 10 January 2023 (2 years ago) |
| Launch price (MSRP) | $1,848 | $3,141 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Gold 5420+ has 79% better value for money than Xeon Gold 6438Y+.
Performance to price scatter graph
Detailed specifications
Xeon Gold 5420+ and Xeon Gold 6438Y+ 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 | 28 (Octacosa-Core) | 32 (Dotriaconta-Core) |
| Threads | 56 | 64 |
| Base clock speed | 2 GHz | 2 GHz |
| Boost clock speed | 4.1 GHz | 4 GHz |
| L1 cache | 80K (per core) | 80K (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 52.5 MB | 60 MB |
| Chip lithography | 10 nm | 10 nm |
| Maximum case temperature (TCase) | 84 °C | 85 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Xeon Gold 5420+ and Xeon Gold 6438Y+ 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 | 2 | 2 |
| Socket | 4677 | 4677 |
| Power consumption (TDP) | 205 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 5420+ and Xeon Gold 6438Y+. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Xeon Gold 5420+ and Xeon Gold 6438Y+ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 5420+ and Xeon Gold 6438Y+ are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 5420+ and Xeon Gold 6438Y+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4400 | DDR5-4800 |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 5420+ and Xeon Gold 6438Y+.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 80 | 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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 36.20 | 38.97 |
| Physical cores | 28 | 32 |
| Threads | 56 | 64 |
Xeon Gold 6438Y+ has a 7.7% higher aggregate performance score, and 14.3% more physical cores and 14.3% more threads.
Given the minimal performance differences, no clear winner can be declared between Intel Xeon Gold 5420+ and Intel Xeon Gold 6438Y+.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
