Thief
This combination delivers exceptional performance with an average of 131 FPS, perfect for high refresh rate gaming and competitive play.
Average FPS: resolution vs quality settings
| Ultra | High | Medium | Low | |
|---|---|---|---|---|
| 4K Ultra HD | 59 | 62 | 82 | 108 |
| 1440p QHD | 101 | 106 | 139 | 183 |
| 1080p Full HD | 147 | 154 | 203 | 225 |
Cell color: green is 120+ FPS, teal is 60+, amber is 30+, red is below 30.
Thief with Intel Core Ultra X9 388H + NVIDIA GeForce RTX 5090, In-Depth Analysis
The Intel Core Ultra X9 388H paired with the NVIDIA GeForce RTX 5090 is a top-tier mobile combination for playing Thief, delivering high frame rates across all tested settings and resolutions. The data shows this combo ranks in the 89th percentile (411th out of 3720 tested combinations), indicating that while it is exceptionally fast, there are still faster configurations for this specific title. Benchmark results indicate the system is capable of delivering smooth gameplay even at 4K Ultra settings, though the performance scaling reveals a distinct shift in the bottleneck from CPU at lower resolutions to GPU at higher ones.
CPU Role — cores, clocks, and how they relate to this game's results
The Intel Core Ultra X9 388H is a 16-core, 16-thread mobile processor based on the Panther Lake architecture, built on Intel's 3 nm process. It features a base clock of 2.10 GHz and a boost clock of 5.10 GHz, with a TDP of 25 W. The processor includes 18 MB of shared L3 cache, along with 192 KB of L1 cache and 3 MB of L2 cache per core. Its memory support is LPDDR5X over a dual-channel bus, providing a memory bandwidth of 153.6 GB/s.
In synthetic benchmarks, this CPU achieves an average benchmark score of 44466, placing it in the 88th percentile of all CPUs tested. Its nearest rivals include the AMD Ryzen 5 7500X3D (avg score 44573, deltaPct -0.2%), the Intel Core i9-13950HX (avg score 44342, deltaPct 0.3%), and the AMD Ryzen AI Max 385 (avg score 44309, deltaPct 0.4%). These deltas are minuscule—within 0.5%—suggesting that the Ultra X9 388H's raw compute performance is statistically equivalent to these competing chips. The PassMark multithread score of 36811 and single-thread score of 4280 further substantiate its position as a high-end mobile CPU.
For Thief, a stealth game originally released in 2014, the CPU's role is primarily to feed the GPU with draw calls and manage game logic. The high boost clock of 5.10 GHz is particularly relevant for single-threaded tasks, which older games like Thief often rely on heavily. The data shows that at 1080p Low settings, the combo achieves 225 FPS, a figure that is likely limited by the CPU's ability to process frames rather than the GPU's rendering capacity. The 16 threads ensure that any background processes or additional game systems do not starve the main rendering thread. However, the fact that the combo ranks 411th out of 3720 suggests that some other CPU configurations, likely with higher single-core performance or lower latency, can push even higher frame rates in this title.
GPU Role — VRAM, clocks, and how they relate to this game's results
The NVIDIA GeForce RTX 5090 is a flagship mobile GPU based on the Blackwell 2.0 architecture, built on TSMC's 5 nm process. It features 32 GB of GDDR7 memory on a 512-bit bus, delivering a bandwidth of 1.79 TB/s. The GPU's base clock is 2017 MHz with a boost clock of 2407 MHz, and it houses 21760 shading units, 680 TMUs, and 176 ROPs. Its compute capabilities are substantial, with an FP32 throughput of 104.8 TFLOPS. The GPU has a TDP of 575 W and requires a 950 W suggested PSU, highlighting its power-hungry nature.
In GPU benchmarks, the RTX 5090 achieves an average score of 79842, placing it in the 92nd percentile of all GPUs tested. Its nearest rivals include the NVIDIA Tesla P100 PCIe 16 GB (avg score 79605, deltaPct 0.3%) and the AMD Radeon RX 6850M XT (avg score 78940, deltaPct 1.1%). The GPU's PassMark G3D score of 39650 and DirectX 12 score of 185 indicate strong DirectX performance, which is critical for Thief's rendering pipeline.
For Thief, the GPU's massive 32 GB VRAM is overkill for a game from 2014, but it ensures no texture swapping or memory bottlenecks at any resolution. The high boost clock of 2407 MHz allows for rapid pixel processing, which is evident in the 4K results. At 4K Ultra, the combo still manages 59 FPS, showing that the GPU is the primary limiter at this resolution. The GPU's 176 ROPs and 423.6 GPixel/s pixel rate directly contribute to filling the 8.3 million pixels at 4K, and the data shows a clear correlation between increasing resolution and decreasing frame rates, which is characteristic of GPU-bound scenarios. The RTX 5090's 104.8 TFLOPS FP32 performance also suggests it can handle any advanced shading techniques that Thief might use, even at maximum settings.
Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component
The measured FPS data reveals a classic resolution scaling pattern, where the frame rate drops as the resolution increases, but the magnitude of the drop varies by settings preset. This variation is key to identifying which component—CPU or GPU—is the primary bottleneck at each resolution.
At Low settings, the FPS drops from 225 at 1080p to 183 at 1440p and then to 108 at 4K. This represents a 19% drop from 1080p to 1440p, and a 41% drop from 1440p to 4K. The relatively modest drop at 1440p suggests the CPU is still heavily involved in frame production, but the larger drop at 4K indicates the GPU is starting to become the limiting factor. At Medium settings, the FPS drops from 203 at 1080p to 139 at 1440p (a 32% drop) and then to 82 at 4K (a 41% drop from 1440p). The High settings show a similar pattern: 154 FPS at 1080p, 106 at 1440p (a 31% drop), and 62 at 4K (a 42% drop). At Ultra settings, the FPS drops from 147 at 1080p to 101 at 1440p (a 31% drop) and then to 59 at 4K (a 42% drop).
This consistent pattern—a 31-32% drop from 1080p to 1440p and a 41-42% drop from 1440p to 4K across Medium, High, and Ultra settings—indicates that the GPU is the primary bottleneck at 1440p and above. The smaller drop at Low settings (19% from 1080p to 1440p) suggests that at lower graphical loads, the CPU's frame production capability becomes more relevant, but even then, the GPU still holds back performance at 4K. The data strongly implies that for this combo, the RTX 5090 is the limiting component at resolutions of 1440p and above, while the CPU is capable of sustaining high frame rates at 1080p, particularly at lower settings. The fact that the 1080p Low setting reaches 225 FPS, which is near the theoretical limit for many display refresh rates, further confirms that the CPU is not a significant hindrance at that resolution.
Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers
The measured FPS data for this combo provides a comprehensive view of performance across three resolutions and four settings presets. At 1920x1080, the combo delivers its highest frame rates. With Low settings, the average FPS is 225. Medium settings yield an average of 203 FPS, with a minimum of 172 and a maximum of 233 FPS. High settings produce an average of 154 FPS, while Ultra settings drop to an average of 147 FPS. The difference between High and Ultra at 1080p is only 7 FPS, suggesting that Ultra settings are not significantly more demanding than High at this resolution, or that the CPU is beginning to limit performance.
At 2560x1440, the frame rates remain high but show a clear step down. Low settings average 183 FPS. Medium settings average 139 FPS, with a minimum of 118 and a maximum of 160 FPS. High settings average 106 FPS, and Ultra settings average 101 FPS. The gap between High and Ultra narrows to just 5 FPS at 1440p, indicating that the GPU is becoming more of a factor, but the overall performance is still very smooth for competitive or high-refresh-rate play.
At 3840x2160, the frame rates drop to the lowest levels, but remain playable. Low settings average 108 FPS. Medium settings average 82 FPS, with a minimum of 70 and a maximum of 94 FPS. High settings average 62 FPS, and Ultra settings average 59 FPS. The difference between High and Ultra at 4K is only 3 FPS, which suggests that the GPU is heavily loaded and the additional features enabled by Ultra settings have a minimal impact on frame rate at this resolution. The minimum FPS of 70 at 4K Medium indicates that even in demanding scenes, the frame rate stays well above playable thresholds for a game like Thief.
How This Combo Ranks — use comboRankInGame vs other tested combos
The combination of the Intel Core Ultra X9 388H and NVIDIA GeForce RTX 5090 ranks 411th out of 3720 tested combinations in Thief. This places the combo in the top 11% of all tested systems, which is a strong result, but not at the very top of the leaderboard. The rank indicates that there are 410 other combinations that achieve higher average frame rates in this specific game.
Given that the GPU is in the 92nd percentile and the CPU is in the 88th percentile, the combo's rank of 411/3720 (89th percentile) is slightly lower than the GPU's individual percentile. This suggests that the CPU might be holding back the GPU in some scenarios, particularly at lower resolutions where the CPU's single-threaded performance becomes more critical. The data shows that at 1080p Low, the combo achieves 225 FPS, which is high, but not the highest possible. Other combos with higher single-thread CPU performance might achieve even higher frame rates at 1080p, pushing them above the 411th rank.
Alternatively, the rank could be influenced by the game's engine, which might benefit from different CPU architectures or memory configurations. The fact that the combo still achieves 59 FPS at 4K Ultra, a very demanding scenario, indicates that the overall system is well-balanced for high-resolution gaming, even if it doesn't top the charts. The rank of 411 confirms the raw power of this hardware, but it also shows that in a game like Thief, which is not the most modern title, there are diminishing returns from such high-end components, and some more modest combinations might offer better cost-adjusted performance, though pricing is not considered in this analysis.
FAQ
Q: What is the maximum average FPS this combo can achieve in Thief?
A: The highest average FPS measured is 225 at 1920x1080 with Low settings. At 4K Ultra, the average FPS drops to 59.
Q: How does the CPU compare to its nearest rivals in synthetic benchmarks?
A: The Intel Core Ultra X9 388H has an average benchmark score of 44466, which is 0.2% lower than the AMD Ryzen 5 7500X3D (44573), 0.3% higher than the Intel Core i9-13950HX (44342), and 0.4% higher than the AMD Ryzen AI Max 385 (44309). These differences are negligible.
Q: Is the GPU the bottleneck at 4K resolution?
A: Yes, the data strongly indicates that. Frame rates drop by 41-42% from 1440p to 4K across Medium, High, and Ultra settings, while the drop from 1080p to 1440p is smaller (31-32%). This pattern is characteristic of a GPU-bound scenario.
Q: What is the minimum FPS recorded for this combo?
A: The minimum FPS recorded is 70, which occurs at 3840x2160 with Medium settings. The maximum FPS recorded is 233, at 1920x1080 with Medium settings.
Q: How does this combo rank among all tested combinations in Thief?
A: This combo ranks 411th out of 3720 tested combinations, placing it in the top 11% of all systems tested for this game.
Q: What is the percentile rank of the CPU and GPU individually?
A: The CPU (Intel Core Ultra X9 388H) is in the 88th percentile of all CPUs, while the GPU (NVIDIA GeForce RTX 5090) is in the 92nd percentile of all GPUs, based on their average benchmark scores.
Hardware Specifications
Intel Core Ultra X9 388H
NVIDIA GeForce RTX 5090
FPS Benchmarks by Resolution & Settings
Performance data for Intel Core Ultra X9 388H + NVIDIA GeForce RTX 5090 in Thief
| Resolution | Settings | Avg FPS |
|---|---|---|
| 3840x2160 | Low | 108.0 |
| 3840x2160 | Medium | 82.0 |
| 3840x2160 | High | 62.0 |
| 3840x2160 | Ultra | 59.0 |
| 2560x1440 | Low | 183.0 |
| 2560x1440 | Medium | 139.0 |
| 2560x1440 | High | 106.0 |
| 2560x1440 | Ultra | 101.0 |
| 1920x1080 | Low | 225.0 |
| 1920x1080 | Medium | 203.0 |
| 1920x1080 | High | 154.0 |
| 1920x1080 | Ultra | 147.0 |
Thief with iUltra X9 388H + Other GPUs
See how Thief performs with the same CPU but different graphics cards.
Thief with RTX 5090 + Other CPUs
See how Thief performs with the same GPU but different processors.
Other Games with iUltra X9 388H + RTX 5090
Explore FPS benchmarks for other games using this same hardware combination.