GIGABYTE Radeon RX 7900 XT vs GIGABYTE Radeon RX 6900 XT 16G. Specifications, performance, tests

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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.

• Based on
  AMD Radeon RX 7900 XT AMD Radeon RX 6900 XT
• GPU Chip
  Navi 31 (RDNA 3) Navi 21
• Execution units
  84 80
• Shader
  5376 5120
• Render Output Units
  192 128
• Texture Units
  336 320

This section provides a comparison of the memory configurations of GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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
  20 GB 16 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  20 Gbps 2 GHz
• Memory Bandwith
  800 GB/s 512 GB/s
• Memory Interface
  320 bit 256 bit

This section focuses on comparing the clock speeds of GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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.

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

This section examines the thermal design of GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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
  300 W 300 W
• TDP (up)
  -- 345 W
• Tjunction max
  -- --
• PCIe-Power
  2 x 8-Pin 2 x 8-Pin

This section compares the cooling systems of GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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
• Fan 1
  3 x 90 mm 3 x 80 mm
• Fan 2
  -- --
• Cooler-Type
  Air cooling Air cooling
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Noise (Load)
  -- --

This section compares the connectivity options available on GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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. Displays
  4 4
• HDCP-Version
  2.3 2.3
• HDMI Ports
  1x HDMI v2.1 1x HDMI v2.1
• DP Ports
  2x DP v2.1 2x DP v1.4a
• DVI Ports
  -- --
• VGA Ports
  -- --
• USB-C Ports
  1 1

This section compares the technical specifications of GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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 (Ultimate) 12_2
• Raytracing
  Yes Yes
• DLSS / FSR
  Yes No
• LED
  No LED lighting Non addressable LED

This section compares the support for video codecs on GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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 / Encode
• VP9
  Decode / Encode Decode / Encode
• AV1
  Decode / Encode Decode

This section compares the physical dimensions of GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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.

• Length
  276 mm 267 mm
• Height
  113 mm 120 mm
• Width
  51 mm 49 mm
• Width (Slots)
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  -- --

This section provides additional information about GIGABYTE Radeon RX 7900 XT and GIGABYTE Radeon RX 6900 XT 16G. 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 x 16 PCIe 4.0 x 16
• Release date
  Q4/2022 Q2/2021
• Release price
  -- --
• Structure size
  5 nm 7 nm
• Part-no
  GV-R79XT-20GC-B GV-R69XT-16GC-B
• Documents
  data sheet data sheet