Xeon 6781P vs K6-2E+/500ACR
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 21 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.73 |
| Market segment | Laptop | Server |
| Series | AMD K6-2+ | no data |
| Power efficiency | no data | 20.48 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | K6-III (1999−2000) | Granite Rapids (2024−2025) |
| Release date | no data | 24 February 2025 (less than a year ago) |
| Launch price (MSRP) | no data | $8,960 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
K6-2E+/500ACR and Xeon 6781P 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) | 80 |
| Threads | 1 | 160 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 0.5 GHz | 3.8 GHz |
| Bus type | FSB | no data |
| Bus rate | 100 MT/s | no data |
| Multiplier | 5.0 | no data |
| L1 cache | 64 KB | 112 KB (per core) |
| L2 cache | 128 KB | 2 MB (per core) |
| L3 cache | no data | 336 MB (shared) |
| Chip lithography | 0.18 µm | Intel 3 nm |
| Die size | no data | 2x 598 mm2 |
| Maximum case temperature (TCase) | no data | 81 °C |
| 64 bit support | - | + |
Compatibility
Information on K6-2E+/500ACR and Xeon 6781P 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 | 1 |
| Socket | Super Socket 7 | FCLGA4710 |
| Power consumption (TDP) | 18.5 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by K6-2E+/500ACR and Xeon 6781P. 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 | - | + |
| PowerNow | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
K6-2E+/500ACR and Xeon 6781P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by K6-2E+/500ACR and Xeon 6781P are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by K6-2E+/500ACR and Xeon 6781P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5(6400MT/s), MRDIMM(8800MT/s) |
| Maximum memory size | 4 GB | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by K6-2E+/500ACR and Xeon 6781P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 136 |
Pros & cons summary
| Physical cores | 1 | 80 |
| Threads | 1 | 160 |
| Power consumption (TDP) | 18 Watt | 350 Watt |
K6-2E+/500ACR has 1844.4% lower power consumption.
Xeon 6781P, on the other hand, has 7900% more physical cores and 15900% more threads.
We couldn't decide between AMD K6-2E+/500ACR and Intel Xeon 6781P. We've got no test results to judge.
Be aware that K6-2E+/500ACR is a notebook processor while Xeon 6781P is a server/workstation one.
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