Xeon 6781P vs U300
Aggregate performance score
Xeon 6781P outperforms U300 by a whopping 1275% 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 | 1372 | 21 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Power efficiency | 3.75 | 8.10 |
| Designer | Intel | Intel |
| Release date | 1 January 2023 (2 years ago) | 1 January 2025 (less than a year ago) |
Detailed specifications
U300 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 | 5 (Penta-Core) | 80 |
| Performance-cores | 1 | no data |
| Efficient-cores | 4 | no data |
| Threads | 6 | 160 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 4.4 GHz | 3.8 GHz |
| L3 cache | 8 MB Intel® Smart Cache | 336 MB |
| Chip lithography | Intel 7 nm | Intel 3 nm |
| Maximum core temperature | 100 °C | 81 °C |
| 64 bit support | + | - |
Compatibility
Information on U300 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 | 1 | no data |
| Socket | FCBGA1744 | FCLGA4710 |
| Power consumption (TDP) | 55 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by U300 and Xeon 6781P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Deep Learning Boost | + | + |
Security technologies
U300 and Xeon 6781P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | + |
| SGX | no data | + |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by U300 and Xeon 6781P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by U300 and Xeon 6781P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200, DDR4-3200, LPDDR4x-4267 | DDR5(6400MT/s), MRDIMM(8800MT/s) |
| Maximum memory size | 96 GB | 4 TB |
| Max memory channels | 2 | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics for 13th Gen Intel Processors | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.1 GHz | no data |
| Execution Units | 48 | no data |
Graphics interfaces
Available interfaces and connections of U300 and Xeon 6781P integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by U300 and Xeon 6781P integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz | no data |
| Max resolution over eDP | 4096 x 2304 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by U300 and Xeon 6781P integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by U300 and Xeon 6781P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | 20 | 136 |
Synthetic benchmarks
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 | 4.88 | 67.11 |
| Recency | 1 January 2023 | 1 January 2025 |
| Physical cores | 5 | 80 |
| Threads | 6 | 160 |
| Power consumption (TDP) | 55 Watt | 350 Watt |
U300 has 536.4% lower power consumption.
Xeon 6781P, on the other hand, has a 1275.2% higher aggregate performance score, an age advantage of 2 years, and 1500% more physical cores and 2566.7% more threads.
The Intel Xeon 6781P is our recommended choice as it beats the Intel U300 in performance tests.
Be aware that U300 is a notebook processor while Xeon 6781P is a server/workstation one.
Other comparisons
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