Processor U300 vs Xeon 658X
Aggregate performance score
Xeon 658X outperforms Processor U300 by a whopping 677% 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 | 99 | 1422 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 25.47 | 17.64 |
| Market segment | Server | Laptop |
| Series | no data | Intel Raptor Lake-U |
| Power efficiency | 6.58 | 14.10 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Granite Rapids (2024−2026) | Raptor Lake-U (2023) |
| Release date | 2 February 2026 (recently) | 4 January 2023 (3 years ago) |
| Launch price (MSRP) | $1,699 | $193 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 658X has 44% better value for money than Processor U300.
Performance to price scatter graph
Detailed specifications
Xeon 658X and Processor U300 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 | 24 (Tetracosa-Core) | 5 (Penta-Core) |
| Performance-cores | 24 | no data |
| Threads | 48 | 6 |
| Base clock speed | 3 GHz | 1.2 GHz |
| Boost clock speed | 4.9 GHz | 4.4 GHz |
| Bus rate | 0 GT/s | 55 MHz |
| L1 cache | 112 KB (per core) | 80K (per core) |
| L2 cache | 2 MB (per core) | 1.25 MB (per core) |
| L3 cache | 144 MB (shared) | 8 MB (shared) |
| Chip lithography | Intel 3 nm | 10 nm |
| Die size | 2x 598 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 75 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Xeon 658X and Processor U300 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 | 1 |
| Socket | FCLGA4710 | Intel BGA 1744 |
| Power consumption (TDP) | 250 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 658X and Processor U300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | - |
Security technologies
Xeon 658X and Processor U300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 658X and Processor U300 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 658X and Processor U300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR4, DDR5 Dual-channel |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel UHD Graphics Xe G4 48EUs ( - 1100 MHz) |
Peripherals
Specifications and connection of peripherals supported by Xeon 658X and Processor U300.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 128 | 8 |
Pros & cons summary
| Performance score | 38.95 | 5.01 |
| Recency | 2 February 2026 | 4 January 2023 |
| Physical cores | 24 | 5 |
| Threads | 48 | 6 |
| Power consumption (TDP) | 250 Watt | 15 Watt |
Xeon 658X has a 677.4% higher aggregate performance score, an age advantage of 3 years, and 380% more physical cores and 700% more threads.
Processor U300, on the other hand, has 1566.7% lower power consumption.
The Intel Xeon 658X is our recommended choice as it beats the Intel Processor U300 in performance tests.
Be aware that Xeon 658X is a server/workstation processor while Processor U300 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
