Lab – La GeForce RTX 5090 from Nvidia sparks in the Razer Blade 16

Three months after the declinations of office PC, the GeForce RTX of NVIDIA series 50 finally land on laptops. They obviously take up Blackwell architecture whose performance gains in traditional rendering (rasterization) have been shown shy to very correct depending on the model.

It is by the contribution of new technology linked to the software part that Blackwell is distinguished, since This architecture makes the DLSS4 possible. We thus find the scaling with the new model of AI (transforming) and the generation of multiple images (MFG). And if the generation of multiple images is exclusive to 50 serial RTX 50, it is for the right and simple reason that Blackwell incorporates a unit called AMP which makes it possible to perfectly synchronize the images rendered by IA and display them at the right time for optimal fluidity.

To improve the autonomy of laptops equipped with its new Blackwell GPUs, Nvidia has integrated advanced energy saving mechanisms, grouped under the name Blackwell Max-Q. These optimizations include the deactivation of the unused GPU parts, a rapid standby, dynamic frequency adaptation and the use of more efficient GDDR7 memory. According to NVIDIA, these improvements could increase the autonomy of laptops by 40 %.

Before we start, we remind you that unlike office PC graphics cards, we cannot control the test environment on laptops (processor, RAM, screen definition, GPU TGP, etc.). It is therefore impossible to compare the GeForce RTX 4090 of the Blade 16 from 2023 to the GeForce RTX 5090 of the Blade 16 of 2025 in an objectively. Nvidia would have liked we show you the 20 % gain in rastering, but we no longer have in our possession the Blade 16 of 2023 and especially Razer has made many changes on Blade 16.

The most annoying change for us is the change in definition of the slab. Razer has gone from an IPS slab of a 4K 120 Hz definition capable of going in 1080p 240 Hz to an OLED 1600P panel (2560×1600). We could have compared the RTX 4090 and the RTX 5090 in Full HD, but we would have in this case been limited by the performance of the processor. Indeed, Razer has also changed philosophy to gain finesse and autonomy by going from a Core i9 13950HX of Intel derived from desktop processors who can reach 155 W to a Ryzen AI9 370 HX specially designed for laptops and with a maximum envelope of 55 W.
Finally, the last change and not the least, Razer limited the power envelope of the GeForce RTX 5090 from the Blade 2025 to 160 W while the GeForce RTX 4090 of the Blade 2023 has 175 W to express themselves.

To judge the performance of the RTX 5090 Mobile, we therefore made a choice of reason: to compare its performance with those of the Medion Erazer X40 also having a 1600p slab but of a power envelope of 175 W and a Core I9-13900HX processor. We should also receive models in the coming weeks that have undergone less design changes and to really be able to compare performance in the face of the previous generation.

Performance

We therefore resumed our old game panel to compare the performance of the RTX 4090 and those of the GeForce RTX 5090 knowing that it is not placed in the best situation.

Thus, in practice, the Blade 16 with its GeForce RTX 5090 can be up to 23 % more efficient than Major X40 in RTX 4090, notably in Godfall with Ray Tracing, Call of Duty with the Activated DLSS or in The Medium. These are indeed situations where the processor is less limiting.
In Cyberpunk 2077, we obtain average gains of around 11 % but above all the possibility of activating the generation of multiple images allowing to tease 200 I/S, which is impossible on RTX 4090 since this technology.

Some games like Metro Exodus EE do not benefit from the performance of RTX 5090, it can easily be assumed that the processor is in this case the limiting factor.

GPU architecture turned to the future

On our new gaming panel supporting new technologies linked to the DLSS 4, the Razer Blade 16 and its GeForce RTX 5090 show their true potential.

Thus, as soon as we activate the scaling solutions (quality mode in our tests), the 100 i/s bar is easily reached, which allows you to fully enjoy the OLED panel at 240 Hz. Activation of the generation of multiple images allows this time to graze the 200 I/S in 2560 x 1600 pixels on barely out games as Assassin's Creed Shadow and of adjustments to their maximum.

It is also possible to take advantage of the most gourmet graphic settings of the moment with the path tracing in Cyberpunk 2077, Alan Wake 2 and Indiana Jones at more than 130 I/S and to a lesser extent in Black myth Wukong at 80 I/s while waiting for compatibility with the MFG.

Improved game comfort thanks to the DLSS 4

The game on portable PC comes with its share of inconveniences, in particular noise pollution, since depending on the model, computers must dispel up to 300 W while it is less than 2 cm thick.

In the case of Blade 16 2025, we tried to play in silent mode by letting options activate such as DLSS 4 since a work done by inference (IA) is more effective.

Thus, in silent mode with the adjustments to the maximum, in particular path tracing in compatible games, we were able to play with noise pollution perceived more than divided by two (logarithmic scale): 44.3 dB against 48.9 dB in performance mode.

In the silent mode of the Razer Blade 16, we lose an average of 20 % performance on our panel of 4 games compatible with the MFG, while obtaining a larger framerate than with the DLSS 3 in Performance mode.

Strongly other integrations from the GeForce RTX 5090

If it is for the moment impossible for the moment to know the generational gain in the performance of Blackwell architecture on portable PC, we already have an overview of the contributions of the DLSS 4 and in particular with the possibility of taking advantage of the best current graphic settings such as path tracing. But also, in a more pragmatic plan, of more pleasant use to reduce the noise pollution of laptops by taking advantage of the effectiveness of options such as the generation of images or the scaling.

We are now long in testing the various integrations of Nvidia partners, such as MSI, Asus, Erazer, Alienware, etc., in their chassis, to discover the full potential of Blackwell architecture. It will start tomorrow with the full Blade 16 2025 test, with the compromises carried out by Razer, of which you have an overview of performance here.