SAPPHIRE PULSE Radeon RX 6400 4GB 对 SAPPHIRE Radeon RX 7900 XT 20GB. 规格

显卡的基本技术数据比较 SAPPHIRE PULSE Radeon RX 6400 4GB 和 SAPPHIRE Radeon RX 7900 XT 20GB, 芯片，信息处理单元.

• 基于
  AMD Radeon RX 6400 AMD Radeon RX 7900 XT
• Board Manufacturer
  Sapphire Sapphire
• Board Model
  SAPPHIRE PULSE Radeon RX 6400 4GB SAPPHIRE Radeon RX 7900 XT 20GB
• Board SKU
  11315-01-20G 21323-01-20G
• Stream Processors
  768 5376
• Compute Units
  - 84 CU (with RT+AI Accelerators)

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

• Memory Data Rate
  16 Gbps Effective 20 Gbps Effective
• 内存大小
  4 GB 20 GB
• 存储器类型
  GDDR6 GDDR6

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

• 最大频率
  Up to 2321 MHz Up to 2400 MHz
• Game Clock
  Up to 2039 MHz Up to 2000 MHz

Graphics card power limits and recommended system power supply describe different specifications.

• System Power Supply
  350 W (System power requirement) 750 W (System power requirement)
• Total Board Power
  55W (Board Power) 308 W

连通性和连接.

• DisplayPort Ports
  1 × DisplayPort 2 × DisplayPort
• HDMI端口
  1 × HDMI 1 × HDMI
• PCIe Interface
  PCIe 4.0 x4 PCIe 4.0 x16
• USB-C Ports
  - 1 × USB-C

所比较的设备在尺寸、重量和插槽上的差异

• Form Factor
  1 slot, ATX Low Profile Dimension: 170(L)X 56.2(W)X 17.2(H)mm 2.5 slot, ATX Dimension: 276.4(L)X 112.7(W)X 51.25 (H)mm

GPU的接口和发布日期的比较 SAPPHIRE Radeon RX 7900 XT 20GB 和 SAPPHIRE PULSE Radeon RX 6400 4GB.

• Official source
  https://www.sapphiretech.com/en/consumer/pulse-radeon-rx-6400-4g-gddr6 https://www.sapphiretech.com/en/consumer/21323-01-20g-radeon-rx-7900-xt-20g-gddr6
• Verified on
  2026-09-30 2026-09-30