Ultra 9 275HX vs Ryzen 7 4800U
Aggregate performance score
Core Ultra 9 275HX outperforms Ryzen 7 4800U by a whopping 267% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 4800U and Core Ultra 9 275HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 772 | 82 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Renoir (Ryzen 4000 APU) | no data |
| Power efficiency | 39.54 | 65.94 |
| Architecture codename | Renoir-U (Zen 2) (2020−2021) | no data |
| Release date | 6 January 2020 (5 years ago) | 1 January 2025 (less than a year ago) |
Detailed specifications
Ryzen 7 4800U and Core Ultra 9 275HX 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 | 8 (Octa-Core) | 24 (Tetracosa-Core) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 16 |
| Threads | 16 | 24 |
| Base clock speed | 1.8 GHz | no data |
| Boost clock speed | 4.2 GHz | 5.4 GHz |
| Multiplier | 18 | no data |
| L1 cache | 512 KB | no data |
| L2 cache | 4 MB | no data |
| L3 cache | 8 MB (shared) | 36 MB |
| Chip lithography | 7 nm | no data |
| Die size | 156 mm2 | no data |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 9800 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 7 4800U and Core Ultra 9 275HX 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 | FP6 | FCBGA2114 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 4800U and Core Ultra 9 275HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Ryzen 7 4800U and Core Ultra 9 275HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 4800U and Core Ultra 9 275HX are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 4800U and Core Ultra 9 275HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-6400 |
| Maximum memory size | 64 GB | 192 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | 68.27 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 1750 MHz) | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.9 GHz |
Graphics interfaces
Available interfaces and connections of Ryzen 7 4800U and Core Ultra 9 275HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen 7 4800U and Core Ultra 9 275HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen 7 4800U and Core Ultra 9 275HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 4800U and Core Ultra 9 275HX.
| PCIe version | 3.0 | 5.0 and 4.0 |
| PCI Express lanes | no data | 24 |
Synthetic benchmark performance
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.
Pros & cons summary
| Performance score | 10.38 | 38.08 |
| Recency | 6 January 2020 | 1 January 2025 |
| Physical cores | 8 | 24 |
| Threads | 16 | 24 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Ryzen 7 4800U has 266.7% lower power consumption.
Ultra 9 275HX, on the other hand, has a 266.9% higher aggregate performance score, an age advantage of 4 years, and 200% more physical cores and 50% more threads.
The Core Ultra 9 275HX is our recommended choice as it beats the Ryzen 7 4800U in performance tests.
Should you still have questions on choice between Ryzen 7 4800U and Core Ultra 9 275HX, ask them in Comments section, and we shall answer.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
