SYSTEM ANALYZER

Rate My PC: Intel Core Ultra 7 155U + NVIDIA GeForce RTX 4080 Mobile

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

90 / 100
ULTIMATE READY

Apex Performer

Top 10% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio
Well Balanced
CPU
85%
VS
GPU
95%
PROCESSOR

Intel Core Ultra 7 155U

21,174 Benchmark Score
Top 15% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 4080 Mobile

38,135 Benchmark Score
Top 5% Market Ranking
View Full Specs →

Market Position

How your build compares to others
Budget
0-30
Mid-Range
30-60
High-End
60-85
Enthusiast
85-100
Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles
View All Games →

Performance Insights

Tips to maximize your system

Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

4K Gaming Ready

Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready
70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High
50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med
30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports
0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

This analysis covers the Intel Core Ultra 7 155U paired with the NVIDIA GeForce RTX 4080 Mobile in a laptop configuration. This is an unusual pairing, combining a low-power, efficiency-focused processor with a high-performance graphics solution. The data provided contains no measured frame rate results for this specific combination, so all gaming performance discussions are estimates derived from the individual benchmark scores of the CPU and GPU.

Balance and Bottleneck

The fundamental challenge with this pairing is the disparity in capability between the two components. The Intel Core Ultra 7 155U, with a 15 W TDP and a 75th percentile ranking among all CPUs, is engineered for power efficiency and sustained operation in thin-and-light chassis. In contrast, the RTX 4080 Mobile, with its 110 W TDP and 81st percentile ranking, is a high-performance part designed for demanding gaming and creative workloads. This creates a scenario where the CPU is likely to be the limiting factor in many GPU-intensive tasks.

Benchmark data supports this imbalance. The CPU’s PassMark single-thread score of 3372 is respectable for everyday tasks, but its multi-threaded score of 16382, while decent, is not in the same league as the GPU’s raw compute power. When the RTX 4080 Mobile is tasked with generating high frame rates at high resolutions, the CPU may struggle to feed it data quickly enough, creating a bottleneck. For example, in a game that relies heavily on physics or AI calculations, the CPU’s PassMark physics score of 1084 could hinder overall performance, preventing the GPU from reaching its full potential.

However, the bottleneck is workload-dependent. In tasks like 3D rendering or video encoding, the GPU does the heavy lifting, and the CPU’s role is less critical. Here, the RTX 4080 Mobile’s 24.72 TFLOPS of FP32 performance and 58 RT cores will dominate, and the CPU’s lower multi-core score is less of a constraint. The data suggests that this pairing is best suited for scenarios where the GPU is the primary workhorse, while the CPU handles background tasks and lighter workloads. In gaming, the balance is skewed, with the CPU likely capping maximum frame rates in CPU-intensive titles, especially at lower resolutions where the GPU can render frames faster than the CPU can process game logic.

Upgrade Path and Platform

The Intel Core Ultra 7 155U is a mobile processor soldered to the motherboard, as indicated by its Intel BGA 2049 socket. This means the CPU itself cannot be upgraded; a user is committed to this processor for the life of the laptop. The platform supports dual-channel DDR5 memory, with the exact speed dependent on the motherboard. The memory bandwidth is rated at 89.6 GB/s, which is adequate for the CPU but may be a limiting factor for the powerful GPU in some memory-intensive scenarios.

The CPU provides PCIe Gen 4 with 12 lanes, while the GPU interfaces via PCIe 4.0 x16. This is a current-generation connection and should not be a bottleneck for the RTX 4080 Mobile’s data transfer needs. There is no suggested PSU wattage in the data for this mobile configuration, which is typical as power delivery is handled by the laptop’s proprietary adapter. The combined TDP of the CPU (15 W) and GPU (110 W) totals 125 W for these core components, but the actual power draw of the entire system, including the display, memory, and storage, will be higher. A prospective buyer should ensure the laptop’s included power adapter is sized appropriately for the full system load.

Given that the CPU is not upgradable and the GPU is also soldered (as is standard in laptops), a sensible "next upgrade" for this platform is not a component swap. Instead, the primary upgrade paths are increasing the amount of DDR5 RAM and adding or replacing NVMe storage, provided the laptop has accessible slots. Beyond that, the user is looking at a full system replacement to change performance classes.

CPU Analysis

The Intel Core Ultra 7 155U is a 12-core, 14-thread processor based on the Meteor Lake architecture, built on Intel's 7 nm process. It has a base clock of 1.70 GHz and a boost clock of 4.80 GHz. The core configuration is a hybrid design, typical of modern Intel processors, though the FACT PACK does not specify the breakdown of Performance-cores (P-cores) and Efficient-cores (E-cores). The cache hierarchy includes 112 KB of L1 per core, 2 MB of L2 per core, and a shared 12 MB L3 cache.

In benchmark tests, the CPU shows a mixed profile. Its Cinebench R23 multi-core score of 9674.5 is robust for a 15 W part, suggesting it can handle sustained multi-threaded workloads reasonably well. The single-core score of 1666 in the same test is solid and indicates good responsiveness for everyday applications. The PassMark results paint a more detailed picture. The integer math score of 57564 and floating-point math score of 40256 are strong, showing good number-crunching ability. The data encryption score of 11333 and compression score of 177122 are also respectable. However, the find prime numbers score of 65 is notably low, which can be an indication of weaker performance in specific types of repetitive integer workloads. The CPU’s average benchmark score of 21174 places it in the 75th percentile, just 0.2% ahead of the AMD Ryzen 5 7530U and 0.4% ahead of the AMD Ryzen 5 5600G. It trails the AMD EPYC 9454 by 0.2% and the Intel Core Ultra 7 256V by 0.3%, showing it is in a very tight performance cluster.

The integrated graphics are Arc Xe-LPG with 64 execution units. While this is not a gaming powerhouse, it provides a capable alternative for basic display output and video playback, potentially saving power when the discrete RTX 4080 Mobile is not needed.

Who Should Build It

This specific platform is not for a traditional DIY builder, as it is a laptop. It is for a buyer seeking a mobile workstation or a high-end multimedia laptop. Given the performance data, this pairing is aimed at a specific user: a content creator who needs top-tier GPU acceleration for rendering and video work but whose CPU-centric tasks are not the primary focus.

  • Mobile 3D Artists and Video Editors: The RTX 4080 Mobile’s 24.72 TFLOPS FP32 performance and 12 GB of GDDR6 memory are ideal for rendering 3D scenes and editing high-resolution video. The CPU’s Cinebench R23 multi-core score of 9674.5 is sufficient to keep up with encoding tasks but will not be the main source of speed.
  • High-Resolution Gamers: For gamers who prioritize visual fidelity at 1440p or 4K, the GPU’s 81st percentile ranking ensures high detail settings. The CPU’s lower performance is less of a factor at these resolutions, as the GPU is typically the bottleneck.
  • AI and Machine Learning Enthusiasts: The GPU’s 232 Tensor Cores and 232 RT cores provide substantial compute for AI inference and development tasks. The CPU’s PassMark multi-thread score of 16382 is adequate for data preprocessing and general system tasks.
  • Software Developers: For developers working on graphics-intensive applications or game development, this combination offers the necessary GPU power. For general code compilation, the CPU’s performance is adequate, but not class-leading.
  • Students and Small Business Users: This would be overkill for basic office work or web browsing. The integrated graphics and CPU’s single-thread score of 3372 would be more than sufficient for such tasks, making the discrete GPU a wasted expense for those users.

Usage Scenarios

High-Refresh Gaming: At high refresh rates (144Hz+), the CPU is likely to be the limiting factor. The RTX 4080 Mobile can push very high frame rates in many titles, but the Ultra 7 155U may not have the single-thread throughput to keep up in CPU-bound games, leading to frame rate drops. This scenario is best suited for games that are heavily GPU-bound or at very high graphical settings.

Streaming: The RTX 4080 Mobile’s NVENC encoder, a standard feature on this class of GPU, can handle game streaming encoding with minimal performance impact. The CPU’s 12 cores and 14 threads are sufficient to handle the streaming software and game simultaneously, though its lower TDP means sustained performance may be lower than a high-power desktop CPU.

Video Editing: This is a strong scenario. The GPU’s 24.72 TFLOPS of compute power will accelerate effects, color grading, and rendering in software like DaVinci Resolve or Adobe Premiere Pro. The CPU’s multi-core score of 9674.5 in Cinebench R23 is sufficient for timeline scrubbing and basic encoding, though export times will be heavily GPU-accelerated.

3D Rendering: This is the platform's sweet spot. The GPU’s 58 RT cores and 232 Tensor Cores are designed for ray-traced and AI-accelerated rendering. The 12 GB of VRAM provides enough capacity for moderately complex scenes. The CPU’s role is secondary, handling scene management and physics calculations.

Software Development: Coding and compiling are generally CPU-bound tasks. The Core Ultra 7 155U’s performance is adequate for most development work, but a higher-end CPU would compile large codebases faster. The GPU is underutilized in this scenario unless the developer is working on graphics or machine learning code.

Student and Office Work: This configuration is excessive for word processing, spreadsheets, and web browsing. The integrated Arc graphics would handle these tasks efficiently, and the RTX 4080 Mobile would remain idle, consuming power and generating heat for no benefit. The CPU’s single-thread performance is more than enough for a snappy experience in these applications.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination. The following gaming performance analysis is an estimate based on the GPU's benchmark scores and the CPU's known capabilities. The RTX 4080 Mobile's PassMark G3D score of 24926 places it in the 81st percentile, indicating it is a very fast GPU for laptop standards. Its performance in DirectX 12 (score 96) and Vulkan (Geekbench score 145807) suggests it is well-optimized for modern game APIs.

In GPU-bound scenarios at high resolutions like 1440p or 4K with ultra settings, the RTX 4080 Mobile should deliver excellent performance. The 12 GB VRAM is sufficient for modern game textures at these resolutions. However, at 1080p, the CPU is more likely to become the bottleneck. The Core Ultra 7 155U’s single-thread score, while decent, may not be enough to drive frame rates to the maximum potential of the GPU in fast-paced esports titles. In these cases, users may see frame rates capped by the CPU's processing limits rather than the GPU's rendering capabilities. Frame rates in more demanding, visually rich single-player games at 1440p or 4K should be high, as the GPU will be the primary determinant of performance.

FAQ

Q: Is the Intel Core Ultra 7 155U a good match for the RTX 4080 Mobile?

A: Benchmark data shows a significant performance disparity. The GPU is in the 81st percentile of all GPUs, while the CPU is in the 75th percentile of all CPUs. This suggests the CPU will limit the GPU in many tasks, particularly CPU-intensive gaming.

Q: Can this laptop handle 4K gaming?

A: The RTX 4080 Mobile's 12 GB of VRAM and high compute power (24.72 TFLOPS) are well-suited for 4K gaming. However, the CPU may limit performance in some titles. The data indicates this is a capable 4K gaming machine, but not guaranteed to hit maximum frame rates in every game due to the CPU bottleneck.

Q: What is the CPU's performance compared to the AMD Ryzen 5 7530U?

A: The Core Ultra 7 155U has an average benchmark score of 21174, which is 0.2% higher than the AMD Ryzen 5 7530U's score of 21133. This puts them at a statistical tie in overall benchmark performance.

Q: How much power does this system consume?

A: The CPU has a TDP of 15 W, and the GPU has a TDP of 110 W. The total power draw for these two components is 125 W. The actual system power draw will be higher with other components included.

Q: Can I upgrade the processor in this laptop?

A: No. The CPU is soldered to the motherboard using an Intel BGA 2049 socket, which is not designed for user replacement or upgrades.

Q: What is the GPU's memory configuration?

A: The NVIDIA GeForce RTX 4080 Mobile has 12 GB of GDDR6 memory on a 192-bit bus, providing a memory bandwidth of 432.0 GB/s.

Q: Is the RTX 4080 Mobile significantly better than the RTX 4070?

A: The RTX 4080 Mobile's average benchmark score is 38135, which is 1.3% higher than the RTX 4070's score of 37648. This indicates a small, but measurable, performance advantage for the 4080 Mobile.

Build Overview

This is a laptop-class build, designated by the build class "laptop". It pairs a low-power mobile processor, the Intel Core Ultra 7 155U, with a high-performance mobile GPU, the NVIDIA GeForce RTX 4080 Mobile. The combined percentile for this pairing is 78, indicating it is a high-tier system overall, but the balance is skewed heavily towards the GPU. This is not a balanced configuration; it is a GPU-first design. The CPU is efficient and adequate, but the system's overall performance tier is defined by the RTX 4080 Mobile's strong 81st percentile ranking. This pairing is best described as a "GPU-heavy" laptop, ideal for GPU-accelerated workloads where the CPU's lower power envelope is an acceptable trade-off for its efficiency.

Benchmark Performance

The CPU's average benchmark score is 21174, placing it in the 75th percentile of all CPUs. Its nearest rival is the AMD Ryzen 5 7530U, which scores 21133 (0.2% slower). The CPU's Cinebench R23 multi-core score is 9674.5, and its single-core score is 1666. In PassMark, its multi-thread score is 16382, and its single-thread score is 3372.

The GPU's average benchmark score is 38135, placing it in the 81st percentile of all GPUs. Its nearest rival is the NVIDIA GeForce MX570, which scores 38299 (0.4% faster). The GPU's PassMark G3D score is 24926, and its Geekbench OpenCL score is 159575. The combined picture is one of a system with a powerful GPU and a mid-range CPU. The GPU’s scores show it is a top-tier mobile part, while the CPU’s scores place it firmly in the mid-range. This means that in synthetic benchmarks that stress the GPU, the system will score very highly. In tests that stress the CPU, the scores will be average. The combined percentile of 78 reflects this high GPU performance pulling the overall score up.