SYSTEM ANALYZER

Rate My PC: Intel Core Ultra 3 105UL + NVIDIA GeForce RTX 5090

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

Build Configuration

Select your components

PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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89 Score

Top 11% Ranking

89 / 100

HIGH-END

Power Build

Top 11% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

81%

GPU

98%

PROCESSOR

Intel Core Ultra 3 105UL

13,061 Benchmark Score

Top 19% Market Ranking

View Full Specs →

GRAPHICS CARD

NVIDIA GeForce RTX 5090

79,842 Benchmark Score

Top 2% 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

Strong Performance

Excellent for 1440p gaming. Most games will run at high/ultra settings smoothly.

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 pairing combines an ultra-low-power desktop processor with the most powerful consumer graphics card available, creating a system that is defined by its extremes. The Intel Core Ultra 3 105UL is a highly efficient 8-core part designed for compact and low-noise builds, while the NVIDIA GeForce RTX 5090 is a flagship GPU built for uncompromising performance. The benchmark data shows a massive disparity in compute capability between the two, which dictates the system's strengths and its critical limitations.

FAQ

Q: Is this a good combination for a high-end gaming PC?

A: For gaming, the RTX 5090 is exceptionally powerful, but the Core Ultra 3 105UL will hold it back. The CPU's performance level is close to older mid-range parts like the Intel Core i5-9400F, which means it will likely limit frame rates in CPU-bound scenarios, especially at lower resolutions. The GPU’s 92nd percentile ranking indicates it can handle any game, but the CPU is a bottleneck.

Q: What is the performance class of the Intel Core Ultra 3 105UL?

A: The CPU sits at the 68th percentile of all CPUs, with an average benchmark score of 13061. Its closest rivals are the Intel Core i5-9400F and Intel Core i7-10750H, with score differences of only 0.2% and 0.3% respectively. This places it in the range of a solid mid-range processor from a few generations ago.

Q: What kind of memory and storage does this build support?

A: The platform supports DDR5 memory, though the specific speed depends on the motherboard. The CPU provides a dual-channel memory bus with a bandwidth of 89.6 GB/s. For storage and other devices, the CPU offers 8 PCIe Gen 4 lanes, while the GPU uses a separate PCIe 5.0 x16 connection.

Q: What is the power draw of this system?

A: The CPU has a TDP of 15 watts, making it extremely power-efficient. The RTX 5090, in contrast, has a TDP of 575 watts. A power supply of at least 950 W is suggested to handle the total system demand, especially during GPU-intensive loads.

Q: How well does the RTX 5090 perform in compute and rendering benchmarks?

A: The GPU achieves a Passmark G3D score of 39650 and a Geekbench OpenCL score of 334370. Its 3DMark Steel Nomad DX12 score is 18355. These figures place it in the 92nd percentile of all GPUs, showing it is a top-tier performer for rendering and compute tasks.

Q: What are the main architectural features of the RTX 5090?

A: It is built on the Blackwell 2.0 architecture with the GB202 chip and is manufactured on a 5 nm process by TSMC. It includes 170 RT Cores and 680 Tensor Cores, which are dedicated to ray tracing and AI-accelerated workloads.

Q: Is the CPU overclockable?

A: No, the multiplier is locked. The Core Ultra 3 105UL is not an unlocked processor, so its clock speeds cannot be manually increased beyond its boost clock of 4.20 GHz.

Upgrade Path and Platform

The foundation of this build is the Intel Socket 1851 platform. The motherboard choice will determine the exact memory speed support for the DDR5 modules, as the CPU's memory support is listed as dependent on the motherboard. The CPU has a dual-channel memory bus, and the platform provides a memory bandwidth of 89.6 GB/s. This is a modern platform, and the CPU is based on the Meteor Lake architecture, so it offers a current feature set.

The most significant platform limitation is the CPU's PCIe configuration. The processor provides only 8 PCIe Gen 4 lanes for general use. This is sufficient for a single NVMe SSD and other standard peripherals, but it could be a constraint for users planning to install multiple high-bandwidth expansion cards. The RTX 5090, however, is not affected by this, as it connects directly to the CPU via its own PCIe 5.0 x16 interface, ensuring the GPU has full bandwidth.

Power delivery is a critical consideration. The 15-watt TDP of the CPU is negligible, and even a modest cooler will suffice. However, the RTX 5090's 575-watt TDP is a substantial load. The suggested PSU for this configuration is 950 W, which provides ample headroom for the CPU, GPU, and the rest of the system components. When selecting a power supply, it is crucial to ensure it has the required 1x 16-pin power connector for the GPU.

A sensible next upgrade for this platform would be a more powerful processor from the same socket, if one is available with a higher core count and better single-thread performance. Given the CPU's current performance tier, upgrading to a higher-end Core Ultra processor would help alleviate the bottleneck and allow the RTX 5090 to perform closer to its full potential. The motherboard and DDR5 memory would not need to be replaced for such an upgrade.

GPU Analysis

The NVIDIA GeForce RTX 5090 is the centerpiece of this build. It is based on the Blackwell 2.0 architecture and the GB202 chip, manufactured on a 5 nm process at TSMC. The GPU is equipped with 32 GB of GDDR7 memory on a 512-bit bus, providing a massive 1.79 TB/s of memory bandwidth. This immense memory pool and bandwidth make the card exceptionally well-suited for high-resolution textures, large datasets, and AI model training.

The GPU's compute capabilities are staggering. It has 21760 shading units, 680 TMUs, and 176 ROPs. The core clocks are a 2017 MHz base and a 2407 MHz boost. This hardware configuration yields 104.8 TFLOPS of FP32 performance. The card also includes 170 RT Cores and 680 Tensor Cores, which are dedicated to accelerating ray tracing and AI tasks, respectively. The tensor cores, in particular, enable features like DLSS and other AI-driven enhancements.

Benchmark results confirm the GPU's top-tier status. The 3DMark Steel Nomad DX12 score of 18355 and the Passmark G3D score of 39650 indicate exceptional rasterization performance. Its Geekbench Vulkan score of 376728 and OpenCL score of 334370 show that it handles compute and graphics APIs with equal prowess. With a percentile ranking of 92nd among all GPUs, the data shows that this is one of the fastest cards available, with its nearest rivals being professional-grade data center parts like the NVIDIA Tesla P100 and high-end mobile GPUs like the AMD Radeon RX 6850M XT, from which it is only separated by around 1%.

Balance and Bottleneck

This system presents a clear and extreme bottleneck scenario. The RTX 5090 is a 92nd-percentile GPU, capable of rendering frames at incredibly high rates. The Core Ultra 3 105UL, on the other hand, is a 68th-percentile CPU with a performance profile similar to older six-core parts. In gaming, this means the CPU will almost certainly be the limiting factor.

In CPU-bound scenarios, such as those with low graphical settings or at 1080p resolution, the CPU's single-thread performance will constrain the frame rate. The CPU's single-thread score in Cinebench R23 is 1234, which is modest. The GPU will be forced to wait for the CPU to process game logic and draw calls, preventing it from reaching its maximum frame output. The FPS scaling in this setup will be poor; you would see similar frame rates at 1080p and 1440p because the CPU is the bottleneck in both cases.

In GPU-bound workloads, such as 4K gaming with maximum settings or rendering a complex 3D scene, the RTX 5090 will be the primary driver of performance. The CPU has enough cores to feed the GPU in these scenarios, but the overall throughput will still be limited by the CPU's processing speed. For tasks like 3D rendering, the CPU’s multicore score of 8742 in Cinebench R23 will contribute to the overall time, but the GPU's 104.8 TFLOPS of compute power will handle the bulk of the rendering work, making the system fast for final frame renders.

The data shows that this is a fundamentally unbalanced pairing. The GPU is a top-tier component, while the CPU is an entry-level to mid-range part. This is not a configuration that will yield a balanced experience. It is a system built around a single, dominant component, and the other parts are chosen to simply support it without being a bottleneck for the GPU in heavy, multi-threaded tasks.

Benchmark Performance

The benchmark data paints a clear picture of a system with two components at opposite ends of the performance spectrum.

CPU Scores:

Cinebench R23 Multi-Core: 8742
Cinebench R23 Single-Core: 1234
Cinebench R20 Multi-Core: 3671
Cinebench R20 Single-Core: 518
Passmark CPU Mark: 10285 (multithread)
Passmark Single Thread: 3382

The CPU's average benchmark score is 13061, placing it at the 68th percentile. Its performance is nearly identical to the Intel Core i5-9400F, with a delta of 0.2%, and the Intel Core i7-10750H, with a delta of 0.3%. It is also comparable to the Intel Core i5-8500 and i7-7700K, with deltas of -0.6% and -1.7% respectively. This indicates that while it's a modern chip, its computational power is on par with older mid-range desktop and mobile parts.

GPU Scores:

3DMark Steel Nomad (DX12): 18355
Geekbench OpenCL: 334370
Geekbench Vulkan: 376728
Passmark G3D: 39650
Passmark GPU Compute: 26756

The GPU's average benchmark score is 79842, placing it at the 92nd percentile. Its closest rivals are the NVIDIA Tesla P100 variants and AMD Radeon RX 6850M XT, with score deltas of less than 1.5%. This confirms the RTX 5090 is a top-tier performer, but its rivals in this score range are not typical consumer gaming cards.

The combined picture is one of extreme disparity. The CPU is a 68th-percentile part, while the GPU is a 92nd-percentile part. This 24-point gap in percentiles is a clear indicator that the CPU will not be able to keep pace with the GPU in most performance-critical scenarios.

Who Should Build It

This build targets a very specific user: someone who needs the absolute maximum GPU compute power but has minimal CPU requirements. The primary audience is not the typical gamer, but rather professionals and researchers who use GPU-accelerated applications.

Target Users:

AI Researchers and Developers: The RTX 5090's 32 GB of VRAM and 680 Tensor Cores are ideal for loading and running large language models or training machine learning models locally. The CPU's role is minor in these workloads.
3D Artists and Animators: For rendering with GPU-accelerated engines, this system provides exceptional performance. The rendering time will be drastically reduced compared to CPU-only rendering, and the 32 GB VRAM can hold large scenes and textures.
Video Editors: For high-resolution video editing and color grading, the GPU's raw power and memory bandwidth are significant advantages. The CPU will handle the editing timeline, but exports and effects will be extremely fast.
Students and Researchers: Those in fields like data science or computational physics who need to run CUDA-based simulations or data processing will find this system exceptionally capable.
Small Business Workstations: For tasks like architectural visualization, product design, or any field requiring heavy GPU rendering, this system offers top-tier performance in a desktop form factor.

This is not a build for a general-purpose desktop. The CPU's low performance will make the system feel sluggish in everyday tasks like web browsing or office applications, especially compared to a modern high-end CPU. It is a specialist tool for a specific workload.

CPU Analysis

The Intel Core Ultra 3 105UL is a desktop processor from the Core Ultra Series 1. It is built on the Meteor Lake architecture, specifically the Meteor Lake-PS variant, and uses a 7 nm process from Intel. It has 8 cores and 10 threads, with a base clock of 1.50 GHz and a boost clock of 4.20 GHz. This is a low-power part, with a TDP of just 15 watts.

The cache hierarchy is substantial: 112 KB of L1 cache per core, 2 MB of L2 cache per core, and a shared 10 MB of L3 cache. The processor supports dual-channel DDR5 memory, with the exact speed depending on the motherboard. It also includes integrated graphics with an Arc Xe-LPG 48EU GPU, which can be useful for troubleshooting or basic display output without a discrete GPU.

The benchmark scores reveal its performance class. The Cinebench R23 multi-core score of 8742 and single-core score of 1234 show its capability in both multi-threaded and single-threaded tasks. The Passmark scores are also telling: a multithread score of 10285 and a single-thread score of 3382. The data shows it performs similarly to the Intel Core i5-9400F and i7-10750H. This means that for real-world workloads, the CPU provides performance comparable to a solid mid-range processor from around 2019. It will handle everyday tasks and moderate multi-threaded loads without issue, but it will not provide the high frame rates in games or the fast compile times that a high-end modern CPU would.

Build Overview

This is a desktop build class system that pairs an entry-level, ultra-low-power CPU with a flagship enthusiast GPU. The combined percentile for this pairing is 80, which is largely driven by the GPU's high performance.

The Intel Core Ultra 3 105UL is designed for efficiency and low power consumption, making it suitable for compact or fanless systems. The NVIDIA GeForce RTX 5090 is a massive, dual-slot card that requires a 950 W power supply and a 16-pin power connector. It is a physically large card, measuring 304 mm in length, and will require a case with sufficient clearance.

Overall, this system represents a workstation-class GPU paired with a low-end processor. The 80th combined percentile confirms the GPU's strength, but it hides the significant imbalance. This is not a balanced gaming PC; it is a specialized compute platform where the GPU does the heavy lifting.

Gaming Performance

Please note: There is no measured FPS data for this specific CPU and GPU combination. The following analysis is based on the benchmark scores and should be treated as an estimate of the system's potential, not a measured result.

In gaming, the performance will be highly dependent on the resolution and graphical settings. The RTX 5090 is capable of running any game at maximum settings with high frame rates. However, the Core Ultra 3 105UL will be a severe bottleneck.

At 1080p: The CPU will almost entirely dictate the frame rate. With a single-thread score similar to an Intel Core i5-9400F, the system will likely produce frame rates well below what the RTX 5090 is capable of. In CPU-intensive games like simulators or real-time strategy titles, the performance could be disappointing. In less CPU-demanding titles, you may see respectable frame rates, but they will not be representative of the GPU's power.
At 1440p: The gap between CPU and GPU performance will narrow, but the CPU will still likely be the primary limiter in many games. You will see an improvement over 1080p, but the frame rates will still be lower than what a more balanced CPU would allow.
At 4K: This is where the system becomes more coherent. At 4K resolution, the GPU workload is massive, and the CPU has more time to process each frame. The RTX 5090's immense power will shine here, and you are more likely to be limited by the GPU's performance rather than the CPU's. This is the only resolution where this pairing makes sense for gaming.

The estimated FPS figures from the benchmark data suggest that for a game that is heavily GPU-bound, the RTX 5090 could deliver excellent frame rates at 4K. However, in any scenario where the CPU is the limiting factor, the system will underperform relative to its GPU component. This is a build for 4K gaming or GPU-accelerated workloads, not for high-refresh-rate 1080p gaming.

Rate My PC: Intel Core Ultra 3 105UL + NVIDIA GeForce RTX 5090

Power Build

System Balance Analysis

Intel Core Ultra 3 105UL

NVIDIA GeForce RTX 5090

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

Performance Insights

Strong Performance

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

FAQ

Upgrade Path and Platform

GPU Analysis

Balance and Bottleneck

Benchmark Performance

Who Should Build It

CPU Analysis

Build Overview

Gaming Performance

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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