Xeon Gold 6434 vs Gold 6438Y
Primary details
Comparing Xeon Gold 6438Y and Xeon Gold 6434 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 440 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 14.19 |
| Market segment | Server | Server |
| Power efficiency | no data | 7.59 |
| Architecture codename | no data | Sapphire Rapids (2023−2024) |
| Release date | 1 January 2023 (1 year ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $2,607 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Gold 6438Y and Xeon Gold 6434 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 | 32 (Dotriaconta-Core) | 8 (Octa-Core) |
| Threads | 64 | 16 |
| Base clock speed | 2 GHz | 3.7 GHz |
| Boost clock speed | 4 GHz | 4.1 GHz |
| L1 cache | no data | 80K (per core) |
| L2 cache | no data | 2 MB (per core) |
| L3 cache | 60 MB | 22.5 MB |
| Chip lithography | Intel 7 nm | Intel 7 nm |
| Maximum core temperature | 76 °C | no data |
| Maximum case temperature (TCase) | no data | 64 °C |
| 64 bit support | - | + |
Compatibility
Information on Xeon Gold 6438Y and Xeon Gold 6434 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 | no data | 2 |
| Socket | FCLGA4677 | FCLGA4677 |
| Power consumption (TDP) | 205 Watt | 195 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6438Y and Xeon Gold 6434. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon Gold 6438Y and Xeon Gold 6434 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | Yes with Intel® SPS | Yes with Intel® SPS |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6438Y and Xeon Gold 6434 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6438Y and Xeon Gold 6434. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800, DDR5-4400 | DDR5-4800, DDR5-4400 |
| Maximum memory size | 4 TB | 4 TB |
| Max memory channels | 8 | 8 |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6438Y and Xeon Gold 6434.
| PCIe version | 5 | 5 |
| PCI Express lanes | 80 | 80 |
Pros & cons summary
| Physical cores | 32 | 8 |
| Threads | 64 | 16 |
| Power consumption (TDP) | 205 Watt | 195 Watt |
Xeon Gold 6438Y has 300% more physical cores and 300% more threads.
Xeon Gold 6434, on the other hand, has 5.1% lower power consumption.
We couldn't decide between Xeon Gold 6438Y and Xeon Gold 6434. We've got no test results to judge.
Should you still have questions on choice between Xeon Gold 6438Y and Xeon Gold 6434, ask them in Comments section, and we shall answer.
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