Xeon Gold 6526Y vs Pentium D 940
Primary details
Comparing Pentium D 940 and Xeon Gold 6526Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 153 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 56.29 |
| Market segment | Desktop processor | Server |
| Power efficiency | no data | 14.06 |
| Architecture codename | Presler (2005−2007) | Emerald Rapids (2023) |
| Release date | 5 January 2006 (18 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | $423 | $1,517 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 940 and Xeon Gold 6526Y 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 | 2 (Dual-core) | 16 (Hexadeca-Core) |
| Threads | 2 | 32 |
| Base clock speed | 3.2 GHz | 2.8 GHz |
| Boost clock speed | 3.2 GHz | 3.9 GHz |
| L1 cache | 16 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per die) | 2 MB (per core) |
| L3 cache | 0 KB | 37.5 MB (shared) |
| Chip lithography | 65 nm | Intel 7 nm |
| Die size | 2x 81 mm2 | 2x 763 mm2 |
| Maximum case temperature (TCase) | 69 °C | 82 °C |
| Number of transistors | 376 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 940 and Xeon Gold 6526Y 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 | LGA775,PLGA775 | FCLGA4677 |
| Power consumption (TDP) | 130 Watt | 195 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 940 and Xeon Gold 6526Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Pentium D 940 and Xeon Gold 6526Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 940 and Xeon Gold 6526Y are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 940 and Xeon Gold 6526Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5-5200 |
| 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 | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium D 940 and Xeon Gold 6526Y.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 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.
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
| Recency | 5 January 2006 | 14 December 2023 |
| Physical cores | 2 | 16 |
| Threads | 2 | 32 |
| Power consumption (TDP) | 130 Watt | 195 Watt |
Pentium D 940 has 50% lower power consumption.
Xeon Gold 6526Y, on the other hand, has an age advantage of 17 years, and 700% more physical cores and 1500% more threads.
We couldn't decide between Pentium D 940 and Xeon Gold 6526Y. We've got no test results to judge.
Note that Pentium D 940 is a desktop processor while Xeon Gold 6526Y is a server/workstation one.
Should you still have questions on choice between Pentium D 940 and Xeon Gold 6526Y, ask them in Comments section, and we shall answer.
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