XFX Radeon RX 6800 XT vs Sapphire Radeon RX 6900 XT. Specifications, performance, tests

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. It provides essential details like the GPU architecture, the number of processing units, and other key features that significantly influence the overall performance of the cards across different applications, including gaming and professional tasks..

• Based on
  AMD Radeon RX 6800 XT AMD Radeon RX 6900 XT
• GPU Chip
  Navi 21 XT Navi 21
• Execution units
  72 80
• Shader
  4608 5120
• Render Output Units
  128 128
• Texture Units
  288 320

This section provides a comparison of the memory configurations of XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. 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.

• Memory Size
  16 GB 16 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  2 GHz 2 GHz
• Memory Bandwith
  512 GB/s 512 GB/s
• Memory Interface
  256 bit 256 bit

This section focuses on comparing the clock speeds of XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. It covers both the base and boost clock speeds, which have a direct impact on GPU performance during demanding tasks. Higher clock speeds generally result in smoother frame rates in games and faster processing in compute-intensive applications..

• Base Clock
  1.825 GHz 1.825 GHz
• Boost Clock
  2.250 GHz 2.250 GHz
• Avg (Game) Clock
  2.015 GHz 2.015 GHz
• Overclocking
  Yes Yes

This section examines the thermal design of XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. It provides information on power consumption (in watts) and thermal output during normal use and overclocking. Effective thermal management is crucial for ensuring stable performance during extended gaming sessions or other intensive tasks..

• TDP
  300 W 300 W
• TDP (up)
  345 W 345 W
• Tjunction max
  96 °C --
• PCIe-Power
  2 x 8-Pin 2 x 8-Pin

This section compares the cooling systems of XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. It includes details about the types of coolers (e.g., blower or open-air) and the number and size of fans, which play a crucial role in maintaining optimal temperatures during operation.Effective cooling is essential for preventing thermal throttling and extending the longevity of the GPU.

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling Air cooling
• Fan 1
  3 x 80 mm 3 x 80 mm
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Fan 2
  -- --
• Noise (Load)
  37 dB --

This section compares the connectivity options available on XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. This includes details on the number and types of ports, such as HDMI, DisplayPort, and others, which are crucial for connecting monitors and external devices..This information assists in identifying which card provides more flexible or up-to-date connectivity features..

• Max. Displays
  4 4
• HDCP-Version
  2.3 2.3
• HDMI Ports
  1x HDMI v2.1 1x HDMI v2.1
• DP Ports
  2x DP v1.4a 2x DP v1.4a
• DVI Ports
  -- --
• VGA Ports
  -- --
• USB-C Ports
  1 1

This section compares the technical specifications of XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. 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. resolution
  7680x4320 7680x4320
• DirectX
  12_2 12_2
• Raytracing
  Yes Yes
• DLSS / FSR
  No No
• LED
  Non addressable LED Non addressable LED

This section compares the support for video codecs on XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. 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
• VP8
  Decode / Encode Decode / Encode
• h265 / HEVC
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• AV1
  Decode Decode

This section compares the physical dimensions of XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. It covers the size, weight, and slot requirements, which are key factors in ensuring compatibility with your PC case, particularly for smaller or more compact setups..

• Length
  267 mm 267 mm
• Height
  120 mm 120 mm
• Width
  50 mm 50 mm
• Width (Slots)
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  1500 g --

This section provides additional information about XFX Radeon RX 6800 XT and Sapphire Radeon RX 6900 XT. 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.

• GPU Interface
  PCIe 4.0 x 16 PCIe 4.0 x 16
• Release date
  Q2/2021 Q2/2021
• Release price
  -- --
• Structure size
  7 nm 7 nm
• Part-no
  RX-68TMATFD8 21308-01-20G
• Documents
  data sheet data sheet