AMD Radeon RX 6650 XT contre NVIDIA GeForce RTX 3090. Spécifications, performances, tests

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. 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
  Navi 23 KXT GA102-300-A1
• Unités d'exécution
  32 82
• Shader
  2048 10496
• Unités de sortie de rendu
  64 112
• Unités de texture
  128 328

This section provides a comparison of the memory configurations of AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. 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
  8 GB 24 GB
• Type de mémoire
  GDDR6 GDDR6X
• Memory Clock
  2.19 GHz 1.219 GHz
• Vitesse de la mémoire
  17.5 Gbps 19.5 Gbps
• Bande de mémoire
  280 GB/s 936 GB/s
• Interface mémoire
  128 bit 384 bit

This section focuses on comparing the clock speeds of AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. 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
  2.055 GHz 1.4 GHz
• Fréquence maximale
  2.635 GHz 1.695 GHz

This section examines the thermal design of AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. 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
  176 W 350 W

This section compares the technical specifications of AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. 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.

• Max. Affichages
  4 4
• Résolution maximale
  7680x4320 7680x4320
• DirectX
  12.2 12_2
• OpenGL
  4.6 4.6
• OpenCL
  2.1 3.0
• Vulkan
  1.3 1.3
• Shader Model
  6.5 6.6

This section compares the support for video codecs on AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. It highlights the built-in capabilities for compressing and decompressing video formats such as H.264, H.265 (HEVC), and VP9, which are important for tasks like video editing and streaming.

• h264
  Decode / Encode Decode / Encode
• h265 / HEVC
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode
• VP9
  Decode / Encode Decode
• AV1
  Decode Decode

This section provides additional information about AMD Radeon RX 6650 XT et NVIDIA GeForce RTX 3090. 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.

• Architecture
  RDNA 2 Ampere
• Interface GPU
  PCIe 4.0 x 8 PCIe 4.0 x 16
• Processus technologique
  7 nm 8 nm
• Date de sortie
  Q2/2022 Q3/2020

• Pixel Rate
  168.6 GPixel/s 189.8 GPixel/s
• Texture Rate
  337.3 GTexel/s 556.0 GTexel/s
• FP16 (half)
  21.59 TFLOPS 35.58 TFLOPS
• FP32 (float)
  10.79 TFLOPS FP32 (float)
• FP64 (double)
  674.6 GFLOPS FP64 (double)