NVIDIA GeForce RTX 4080 16 GB contre AMD Radeon RX 7900 XTX. Spécifications, performances, tests

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It includes key information such as the GPU chip architecture, the number of processing units, and other core features that directly impact the overall performance of the cards in various applications, including gaming and professional workloads.

• Puce GPU
  AD103 Navi 31 (RDNA 3)
• Unités d'exécution
  9728 96
• Unités de sortie de rendu
  112 192
• Unités de texture
  304 384

This section provides a comparison of the memory configurations of NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It includes details such as the memory size, type (e.g., GDDR6, HBM2), and bandwidth, which are key factors that determine how efficiently the card handles large textures, data sets, and high-resolution tasks.Larger memory sizes are typically beneficial for demanding applications like 4K gaming and video editing.

• Taille de la mémoire
  16 GB 24 GB
• Type de mémoire
  GDDR6X GDDR6
• Memory Clock
  1.4 GHz 2.500 GHz
• Vitesse de la mémoire
  22.4 Gbps 20 Gbps
• Bande de mémoire
  716.8 GB/s 960 GB/s
• Interface mémoire
  256 bit 384 bit

This section focuses on comparing the clock speeds of NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It includes both the base and boost clock speeds, which directly influence the performance of the GPU during intensive tasks. Faster clock speeds typically translate to higher frame rates in games and quicker processing in compute-heavy applications.

• Fréquence de base
  2.205 GHz 1.900 GHz
• Fréquence maximale
  2.505 GHz 2.500 GHz

This section examines the thermal design of NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It includes details such as power consumption (in watts) and thermal output during regular operation and overclocking. Efficient thermal management is essential for maintaining stable performance during long gaming sessions or other demanding tasks.

• TDP
  320 W 355 W

This section compares the connectivity options available on NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. These include the number and type of ports like HDMI, DisplayPort, and others that are essential for connecting displays and external devices.This information helps determine which card offers more versatile or modern connectivity options.

• Max. Affichages
  4 4
• Ports HDMI
  1x HDMI 2.1 1x HDMI v2.1
• DP Ports
  3x DisplayPort 1.4a 2x DP v2.1

This section compares the technical specifications of NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It highlights key features such as API support for DirectX, OpenGL, and Vulkan, which are crucial for running modern games and applications efficiently.These specifications ensure compatibility and optimal performance across a wide range of software environments.

• Résolution maximale
  3840x2160 7680x4320
• DirectX
  12.2 12_2 (Ultimate)

This section compares the physical dimensions of NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It includes the size, weight, and slot requirements, which are important considerations for ensuring compatibility with your PC case, especially in smaller or more compact builds.

• Longueur
  310 mm 287 mm
• Width
  140 mm 51 mm
• Hauteur
  61 mm 123 mm

This section provides additional information about NVIDIA GeForce RTX 4080 16 GB et AMD Radeon RX 7900 XTX. It covers aspects such as release dates, interface compatibility, and other unique features that might not be covered in other sections.This helps users make a more informed decision about the suitability of each card for their specific use case.

• Interface GPU
  PCIe 4.0 x16 PCIe 4 x 16
• Processus technologique
  4 nm 5 nm
• Date de sortie
  Q3/2022 Q4/2022