ASUS Radeon RX 7900 XT 对 AMD Radeon RX 6800 XT. 规格、性能、测试

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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..

• 基于
  AMD Radeon RX 7900 XT AMD Radeon RX 6800 XT
• GPU芯片
  Navi 31 (RDNA 3) Navi 21 XT
• 执行单位
  84 72
• 着色器
  5376 4608
• 渲染输出单位
  192 128
• 纹理单位
  336 288

This section provides a comparison of the memory configurations of ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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.

• 内存大小
  20 GB 16 GB
• 存储器类型
  GDDR6 GDDR6
• 内存速度
  20 Gbps 2 GHz
• 记忆带
  800 GB/s 512 GB/s
• 存储器接口
  320 bit 256 bit

This section focuses on comparing the clock speeds of ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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..

• 基准频率
  1.500 GHz 1.825 GHz
• 最大频率
  2.400 GHz 2.250 GHz
• Avg (Game) Clock
  2.000 GHz 2.015 GHz
• 超频
  是 是

This section examines the thermal design of ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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
• Tjunction max
  -- 96 °C
• PCIe-Power
  2 x 8-Pin 2 x 8-Pin

This section compares the cooling systems of ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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.

• 风扇类型
  Axial Axial
• 风扇1
  3 x 90 mm 3 x 80 mm
• 风扇2
  -- --
• 冷却器类型
  Air cooling Air cooling
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Noise (Load)
  -- 37 dB

This section compares the connectivity options available on ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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..

• 最大。显示
  4 4
• HDCP-版本
  2.3 2.3
• HDMI端口
  1x HDMI v2.1 1x HDMI v2.1
• DP Ports
  2x DP v2.1 2x DP v1.4a
• DVI端口
  -- --
• VGA Ports
  -- --
• USB-C Ports
  1 1

This section compares the technical specifications of ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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.

• 最大分辨率
  7680x4320 7680x4320
• DirectX
  12_2 (Ultimate) 12_2
• 光线追踪
  是 是
• DLSS / FSR
  是 没有
• LED
  No LED lighting Non addressable LED

This section compares the support for video codecs on ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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
• 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 ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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..

• 长度
  276 mm 270 mm
• 高度
  113 mm 120 mm
• Width
  51 mm --
• 宽度（槽位）
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  -- 1503 g

This section provides additional information about ASUS Radeon RX 7900 XT 和 AMD Radeon RX 6800 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接口
  PCIe 4 x 16 PCIe 4.0 x 16
• 发布日期
  Q4/2022 Q4/2020
• Release price
  -- 799 $
• 技术过程
  5 nm 7 nm
• 数
  -- --
• 规格
  data sheet --