Les performances en virgule flottante sont une mesure de la puissance de calcul du processeur. The Sapphire R7 250X is a fair budget card, but spending a few pounds more on the MSI R7 260X will get you a significant performance boost.

The R7 250 is an entry-level Radeon card that doesn’t require extra power connections to work, you just plug into a PCI Express x16 bus socket and it’s ready to go. Bear in mind that the card is 120mm high (around 15mm higher than a standard R7 250) so check it will fit in your case. AMD Radeon R7 250: Fine if you want to play older or slower-paced games, but not a huge step up from the best integrated graphics chips . Not good! The card has a lower clock speed than the standard R7 250, but the increased number of stream processors leads to slightly better performance. At our standard settings of 1,920x1,080 with Very High detail and tessellation and SSAA enabled, the R7 250 could only manage a crawling 8fps. The R7 250 failed our Crysis 3 benchmark test at a resolution of 1,920x1,080 with graphics quality set to High, and reducing graphics quality to Medium only raised the average frame rate to 17.6fps. Les versions les plus récentes incluent plus de fonctionnalités et présente une meilleure performance.

Confusingly, Sapphire's passively-cooled Radeon R7 250 is actually a rebranded Radeon HD 7750, so is based on the Cape Verde PRO core, with 512 GPU cores and an 800MHz clock speed. La vitesse de mémoire efficace est calculée d'après la taille et le débit de données de la mémoire.

Obviously, everyone would like to play the latest games at the highest settings, but graphics cards that let you do this are out of reach for many people. As well as HDMI, the card has dual-link DVI and DisplayPort outputs, so can handle ultra-high-resolution displays.

OpenGl est une spécification utilisée dans les jeux, et dont les versions plus récentes supportent des meilleurs graphismes.

Cela fournit généralement de meilleures performances qu'une carte graphique similaire à GPU unique.

Along with HDMI, the card has twin dual-link DVI outputs and DisplayPort, so you'll be able to use 2,560x1,440 and 3,840x2,160 displays. In our tougher Tomb Raider test, which we run at 1,920x1,080 with Ultra quality and 2xSSAA (see the Buying Guide for an explanation of how SSAA works) the card managed just 15.9fps. The card had no trouble with the test once we dropped detail levels to High, managing 62.4fps. Vous permet de visualiser en 3D (si vous avez un écran 3D et des lunettes). Given its specification the results aren’t surprising, but when we reduced the resolution to 1,280x720 and graphics quality to Medium the R7 250 produced a much smoother average frame rate of 31.3fps. Expert Reviews™ is a registered trade mark. Les processurs les plus récents et puissants comportent généralement plus de transistors. Even in the tougher Tomb Raider test, the R7 260X managed a just-playable average of 31fps with Ultra quality and 2x SSAA. It's also only 150mm long, so will fit in all cases apart from low-profile ones. La mémoire vive (RAM) est une forme de mémoire volatile utilisée pour stocker les données de travail et le code machine actuellement utilisés. Fine if you want to play older or slower-paced games, but not a huge step up from the best integrated graphics chips. Best mid-range phone: Don’t waste a fortune on a flagship, Best Samsung phone 2020: Intergalactic warfare, Black Friday UK 2020: Early Black Friday deals start NOW, The best Android phones you can buy today, The best budget smartphones money can buy, Samsung Galaxy A21s review: The ‘s’ stands for savings, Xiaomi Redmi Note 9: Another budget superstar, Amazon Echo 2020 review: Alexa, show me brilliance, Nvidia GeForce GTX 1660 and GTX 1660 Ti review, How to use Nvidia G-Sync on a FreeSync monitor, Best Wi-Fi extender: Better coverage, faster downloads.

AMD Radeon R7 Graphics can generate more than 18.83 USD monthly income with a 23.45 MH/s hashrate on the ETH - Ethash (Claymore) algorithm. However, the R7 250X has 640 GPU cores, so is significantly quicker. The Sapphire Radeon R7 250 1GB is the only AMD card we've tested slim enough not to block the expansion slot underneath it when fitted. To get a playable frame rate in the very challenging Metro: Last Light we had to drop detail to Low and turn off SSAA and tessellation, but at these low levels we saw a playable 46fps average.

The card is bus-powered, so you certainly won’t need a power supply upgrade to install it.

The R7 250’s graphics processor has 384 stream processors and runs at a clock speed of 1.05GHz. Une enveloppe thermique plus basse reflète une consommation d'énergie moins importante. Best mid-range phone: Don’t waste a fortune on a flagship, Best Samsung phone 2020: Intergalactic warfare, Black Friday UK 2020: Early Black Friday deals start NOW, The best Android phones you can buy today, The best budget smartphones money can buy, Samsung Galaxy A21s review: The ‘s’ stands for savings, Xiaomi Redmi Note 9: Another budget superstar, Amazon Echo 2020 review: Alexa, show me brilliance, Nvidia GeForce GTX 1660 and GTX 1660 Ti review, How to use Nvidia G-Sync on a FreeSync monitor, Best Wi-Fi extender: Better coverage, faster downloads. This is too slow for smooth gameplay, but dropping the quality to High bumped up the frame rate to a much smoother 46.2fps. The R7 250 isn't a bad card for its low price, but an extra £20 or so will get you the much quicker MSI R7 260X, which is more capable in the latest games. It’s entirely possible to enjoy Crysis 3 at a resolution of 1,280x720 at Medium quality, so if you have a low-Powered PC or a severely limited budget then the R7 250 could be the graphics card for you. Certaines applications se servent de OpenCl pour utiliser l'énergie du processeur graphique pour les opérations non graphiques. In our least-challenging game test, Dirt Showdown, at our standard Desktop PC settings of 1,920x1,080, Ultra quality and 4x anti-aliasing, the card managed an average 25.2fps, with the frame rate sometimes dropping as low as 19.8fps. Supporte une technologie d'affichage multiple. We set it running a game test on repeat for an hour in an enclosed PC case, and had no problems with overheating. If AMD or Intel wants to create a true high-performance integrated graphics solution, it will need a lot more memory bandwidth.

The Radeon R7 250 is the cheapest AMD GPU which is capable of playing modern games at 1,920x1,080 at reasonable detail levels. The Radeon R5 is on par with Intel integrated HD 3000 graphics from 2011 which are basically awful. All rights reserved.

It managed a playable 42fps in our Ultra quality Dirt Showdown test, and Tomb Raider was nearly playable at Ultra quality with 2x SSAA enabled, with 25fps. The R7 260X's 896 GPU cores and mild 25MHz overclock helped it to a very smooth 52.8fps in the Ultra quality Dirt Showdown benchmark, and the card could even manage a playable 35.9fps once we brought the resolution up to 2,560x1,440. Le nombre de pixels qui peuvent être rafraîchis à l'écran chaque seconde. Next up in AMD's range is the Sapphire Vapor-X R7 250X. Those after silence and performance should find the extra cash for the Zotac GeForce GTX 750 Zone Edition. The last of AMD's budget cards we've tested is the R7 260X. The GTX 650-E produced an average frame rate of 20fps in our Dirt Showdown test at a resolution of 1,920x1,080 at Ultra quality, which is lower than that of the R7 250. Pourquoi AMD Radeon R7 250 est meilleur(e) que Nvidia GeForce GTX 1050? Les versions les plus récentes supportent une bande passante plus large et sont plus performantes. Un bus de mémoire plus large signifie qu'il peut transporter plus de données par cycle. DVI to VGA adaptor, Molex to 6-pin PCI Express. Dropping to High quality and turning off SSAA led to a playable average of 31fps, but this still dropped to a jerky 15fps minimum in some parts of the benchmark. If you want a silent card but still want to play modern titles, the Sapphire Ultimate R7 250 is a good card if you don’t mind sacrificing some detail. Vous permet de vous connecter à un affichage en utilisant DisplayPort. This means the highest-resolution monitor the card can drive over a digital connection is 1,920x1,200, so those wanting to use 2,560x1,440-pixel or higher screens should look elsewhere. AMD A10-9700 3.8GHz Quad Core APU Processor - with Radeon R7 integrated graphics perfect for casual gaming, such as League of Legends, Fifa, CS:GO and other non-demanding titles. That isn’t a particularly impressive specification, but isn’t too bad if you just want a general-purpose graphics card and don’t intend to play games at optimal quality.

Our toughest game test is the Metro: Last Light Redux post-apocalyptic shooter. To make the game playable we had to drop detail to Low and turn off tessellation and SSAA, which gave us 41fps, but the game isn’t nearly as pretty at these settings. Il s'agit d'un facteur important pour la performance de la mémoire et donc pour la performance générale de la carte mémoire. It's not a powerful card, however. However, reducing graphics quality to High increased the average frame rate to a much smoother and far more playable 47fps.

Ceci est la vitesse maximale à laquelle les données peuvent être lues ou stockées en mémoire. However, we think gamers would be better off paying more for an AMD Radeon R7 260X, if their budget will stretch that far. A standard R7 250, such as the Sapphire R7 250 model below, is based on the AMD Oland XT architecture, with 384 GPU cores and a core 1GHz clock speed. The card is unusual in having a VGA port for older monitors and has HDMI, but the DVI port is only single-link. If you want a dirt-cheap GPU for like $16, consider the Radeon HD 7570. Une vitesse de mémoire plus rapide améliore les performances des jeux et autres applications. Confusingly, even though it's badged as a Radeon R7 250, the Sapphire Ultimate card is in fact a rebadged AMD Radeon HD 7750. La vitesse d'horloge du processeur graphique est plus grande. This has a large heatsink so can do without a fan entirely, and like the standard R7 250 doesn’t need an external power connector. This is a twin-fan design, and is quiet at idle and under load. Metro: Last Light Redux was more of a challenge, and at our standard Very High settings we only saw 12fps from the R7 250X. C'est un point de stockage virtuel temporaire à accès rapide qui peut être lu et modifié dans n'importe quel ordre, permettant ainsi un traitement de données rapide. Une enveloppe thermique (TDP en Anglais) est la quantité d'énergie maximale que le système de refroidissement d'un ordinateur doit dissiper.

La carte graphique contient deux unités de processeurs graphiques (GPU). This architecture is a couple of years old, but as we show below, the GPU can still hold its own in games. Cela vous permet de configurer plusieurs moniteurs afin de créer une expérience de jeu plus immersive, comme avoir un champ de vision plus large. Expert Reviews™ is a registered trade mark.

It wins a Best Buy award. It requires an external power connector, and there's a Molex to 6-pin PCI Express adaptor in the box in case your PSU doesn’t have the right plug. The Ultimate R7 250 was a couple of frames a second faster than the R7 250 in Dirt Showdown with Ultra detail, but 27.4fps isn’t quite enough for smooth gameplay. All rights reserved.