Xeon Gold 6438Y+ vs Opteron 840
Primary details
Comparing Opteron 840 and Xeon Gold 6438Y+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | SledgeHammer (2003−2005) | Sapphire Rapids (2023−2024) |
| Release date | September 2003 (21 year ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $3,141 |
Detailed specifications
Opteron 840 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 | 1 (Single-Core) | 32 (Dotriaconta-Core) |
| Threads | 1 | 64 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 1.4 GHz | 4 GHz |
| L1 cache | 128 KB | 80K (per core) |
| L2 cache | 1 MB | 2 MB (per core) |
| L3 cache | 0 KB | 60 MB |
| Chip lithography | 130 nm | 10 nm |
| Die size | 193 mm2 | no data |
| Maximum case temperature (TCase) | no data | 85 °C |
| Number of transistors | 106 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Opteron 840 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 | 1 | 2 |
| Socket | 940 | 4677 |
| Power consumption (TDP) | 85 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 840 and Xeon Gold 6438Y+. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Opteron 840 and Xeon Gold 6438Y+ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 840 and Xeon Gold 6438Y+ are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 840 and Xeon Gold 6438Y+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-4800 |
Peripherals
Specifications and connection of peripherals supported by Opteron 840 and Xeon Gold 6438Y+.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Physical cores | 1 | 32 |
| Threads | 1 | 64 |
| Chip lithography | 130 nm | 10 nm |
| Power consumption (TDP) | 85 Watt | 205 Watt |
Opteron 840 has 141.2% lower power consumption.
Xeon Gold 6438Y+, on the other hand, has 3100% more physical cores and 6300% more threads, and a 1200% more advanced lithography process.
We couldn't decide between Opteron 840 and Xeon Gold 6438Y+. We've got no test results to judge.
Should you still have questions on choice between Opteron 840 and Xeon Gold 6438Y+, ask them in Comments section, and we shall answer.
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