AMD Radeon RX 7900 GRE 对 NVIDIA GeForce RTX 3090. 规格

显卡的基本技术数据比较 AMD Radeon RX 7900 GRE 和 NVIDIA GeForce RTX 3090, 芯片，信息处理单元.

• AI Accelerators
  160 -
• 建筑学
  RDNA 3 Ampere
• 基于
  AMD Radeon RX 7900 GRE -
• Compute Units
  80 -
• Execution Units
  80 82
• Ray Accelerators
  80 -
• 着色器
  5120 10496
• CUDA Cores
  - 10496
• GPU芯片
  - GA102-300-A1
• 渲染输出单位
  - 112
• 纹理单位
  - 328

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

• Infinity Cache
  64 MB -
• Memory Bandwidth
  576 GB/s 936 GB/s
• Memory Bus
  256 bit 384 bit
• Memory Data Rate
  18 Gbps 19.5 Gbps
• 内存大小
  16 GB 24 GB
• 存储器类型
  GDDR6 GDDR6X
• Memory Clock
  - 1219 MHz

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

• 最大频率
  2245 MHz 1700 MHz
• Game Clock
  1880 MHz -
• 基准频率
  - 1400 MHz

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

• TDP
  260 W 350 W
• Typical Board Power
  260 W -
• Graphics Card Power
  - 350 W
• Maximum GPU Temperature
  - 93 °C
• System Power Supply
  - 750 W (System power requirement)

连通性和连接.

• DisplayPort Version
  2.1 -
• HDMI Version
  2.1 -
• Power Connectors
  2x8-Pin 2x PCIe 8-pin (adapter to 1x 12-pin included)
• DisplayPort Ports
  - 3 × DisplayPort
• HDCP Version
  - 2.3
• 最大。显示
  - 4
• Other Display Outputs (unparsed)
  - HDMI
• PCIe Interface
  - PCIe 4.0 x16

在电脑游戏中被充分使用的技术数据.

• DirectX
  - 12_2
• 最大分辨率
  - 7680 × 4320
• OpenCL
  - 3.0
• OpenGL
  - 4.6
• Shader Model
  - 6.6
• Vulkan
  - 1.3

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
• VP9
  - Decode

GPU的接口和发布日期的比较 NVIDIA GeForce RTX 3090 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.nvidia.com/en-us/geforce/graphics-cards/compare/
• 发布日期
  2023-07-27 Q3/2020
• 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
• Manufacturer specification scope
  - NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ.
• Process Technology
  - 8 nm

• FP32 (theoretical)
  46 TFLOPS -
• FP16 (theoretical)
  - 35.58 TFLOPS
• FP64 (theoretical)
  - -
• Pixel Rate
  - 189.8 GPixel/s
• Texture Rate
  - 556.0 GTexel/s