AMD Radeon RX 7900 GRE 对 AMD Radeon RX 6400. 规格

显卡的基本技术数据比较 AMD Radeon RX 7900 GRE 和 AMD Radeon RX 6400, 芯片，信息处理单元.

• AI Accelerators
  160 -
• 建筑学
  RDNA 3 RDNA 2
• 基于
  AMD Radeon RX 7900 GRE AMD Radeon RX 6400
• Compute Units
  80 12
• Execution Units
  80 12
• Ray Accelerators
  80 12
• 着色器
  5120 768
• GPU芯片
  - Navi 24 XL
• 渲染输出单位
  - 32
• 纹理单位
  - 48

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

• Infinity Cache
  64 MB 16 MB
• Memory Bandwidth
  576 GB/s 128 GB/s
• Memory Bus
  256 bit 64 bit
• Memory Data Rate
  18 Gbps 16 Gbps
• 内存大小
  16 GB 4 GB
• 存储器类型
  GDDR6 GDDR6
• Memory Clock
  - 2000 MHz

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

• 最大频率
  2245 MHz 2321 MHz
• Game Clock
  1880 MHz 2039 MHz
• 基准频率
  - 1923 MHz
• 超频
  - 是

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

• TDP
  260 W 53 W
• Typical Board Power
  260 W 53 W
• Maximum Junction Temperature
  - -
• System Power Supply
  - 350 W (System power requirement)
• TDP (up)
  - 没有

用于显卡冷却系统的冷却器的类型和尺寸 AMD Radeon RX 7900 GRE 和 AMD Radeon RX 6400.

• 冷却器类型
  - Air cooling
• 风扇类型
  - -
• 风扇1
  - -
• 风扇2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

连通性和连接.

• DisplayPort Version
  2.1 -
• HDMI Version
  2.1 HDMI 2.1 VRR and FRL
• Power Connectors
  2x8-Pin PCIe Powered
• DisplayPort Ports
  - 1 × DisplayPort 1.4a
• DVI端口
  - -
• HDCP Version
  - 2.3
• HDMI端口
  - 1 × HDMI 2.1
• 最大。显示
  - 2
• PCIe Interface
  - PCIe 4.0 x4
• USB-C Ports
  - -
• VGA Ports
  - -

在电脑游戏中被充分使用的技术数据.

• DirectX
  - Conflicting source values: 12.2 | 12_2
• DLSS / FSR
  - 没有
• LED
  - No LED lighting
• 最大分辨率
  - 7680 × 4320
• 光线追踪
  - 是

内置对视频和图像压缩标准的支持.

• AV1
  Decode / Encode Decode
• h264
  - Decode / Encode
• h265 / HEVC
  - Decode / Encode
• VP8
  - Decode / Encode
• VP9
  - Decode / Encode

所比较的设备在尺寸、重量和插槽上的差异

• 高度
  - -
• 长度
  - -
• Slot Size
  - -
• Weight
  - -
• Width
  - -

GPU的接口和发布日期的比较 AMD Radeon RX 6400 和 AMD Radeon RX 7900 GRE.

• Architecture source
  https://www.amd.com/content/dam/amd/en/documents/partner-hub/ryzen/amd-consumer-pocket-guide-ryzen-radeon-july-2024.pdf -
• Official source
  https://www.amd.com/en/products/graphics/desktops/radeon/7000-series/amd-radeon-rx-7900-gre.html https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6400.html
• 发布日期
  2023-07-27 2022-01-19
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  2026-09-30 2026-09-30
• 规格
  - data sheet
• Launch Price (historical)
  - -
• Manufacturer
  - AMD
• Part Number
  - -
• Process Technology
  - 6 nm

• FP32 (theoretical)
  46 TFLOPS -