PowerColor Liquid Devil Radeon RX 6800 XT 対 GIGABYTE Radeon RX 7900 XT. 仕様・性能・テスト

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 XT. 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.

• に基づいています。
  AMD Radeon RX 6800 XT AMD Radeon RX 7900 XT
• GPUチップ
  Navi 21 XT Navi 31 (RDNA 3)
• 実行部隊
  72 84
• シェーダー
  4608 5376
• レンダリング出力単位
  128 192
• テクスチャユニット
  288 336

Here is a comparison of memory configurations PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 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.

• メモリサイズ
  16 GB 20 GB
• メモリータイプ
  GDDR6 GDDR6
• メモリ速度
  2 GHz 20 Gbps
• メモリ帯域
  512 GB/s 800 GB/s
• メモリーインターフェース
  256 bit 320 bit

This section focuses on comparing the clock speeds of PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 XT. 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.

• 基本周波数
  1.900 GHz+ 4 % 1.500 GHz
• 最大周波数
  2.360 GHz+ 5 % 2.400 GHz
• Avg (Game) Clock
  2.110 GHz+ 5 % 2.000 GHz
• オーバークロッキング
  はい はい

This section examines the thermal design of PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 XT. 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
  96 °C --
• PCIe-Power
  3 x 8-Pin 2 x 8-Pin

This section compares the cooling systems of PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 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.

• ファンタイプ
  -- Axial
• クーラータイプ
  Water cooling Air cooling
• ファン1
  -- 3 x 90 mm
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• ファン2
  -- --
• Noise (Load)
  0 dB --

This section compares the connectivity options available on PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 XT. 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. 表示数
  4 4
• HDCP-バージョン
  2.3 2.3
• HDMI端子
  1x HDMI v2.1 1x HDMI v2.1
• DP Ports
  2x DP v1.4a 2x DP v2.1
• DVIポート
  -- --
• VGA Ports
  -- --
• USB-C Ports
  1 1

This section compares the technical specifications of PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 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.

• 最大解像度
  7680x4320 7680x4320
• DirectX
  12_2 12_2 (Ultimate)
• レイトレーシング
  はい はい
• DLSS / FSR
  いいえ はい
• LED
  Addressable LED No LED lighting

This section compares the support for video codecs on PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 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 / Encode

This section compares the physical dimensions of PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 XT. 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.

• 長さ
  266 mm 276 mm
• 高さ
  162 mm 113 mm
• Width
  42 mm 51 mm
• 幅（スロット）
  2 PCIe-Slots 3 PCIe-Slots
• Weight
  -- --

This section provides additional information about PowerColor Liquid Devil Radeon RX 6800 XT と GIGABYTE Radeon RX 7900 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インターフェース
  PCIe 4.0 x 16 PCIe 4 x 16
• 発売日
  Q1/2021 Q4/2022
• Release price
  -- --
• 技術プロセス
  7 nm 5 nm
• パート-ノ
  AXRX 6800XT 16GBD6-W2DHC/OC GV-R79XT-20GC-B
• スペック
  data sheet data sheet