AMD Radeon RX 6650 XT 对 NVIDIA GeForce RTX 3090. 规格、性能、测试

显卡的基本技术数据比较 AMD Radeon RX 6650 XT 和 NVIDIA GeForce RTX 3090, 芯片，信息处理单元.

• 建筑学
  RDNA 2 Ampere
• 基于
  AMD Radeon RX 6650 XT -
• Compute Units
  32 -
• Execution Units
  32 82
• GPU芯片
  Navi 23 KXT GA102-300-A1
• L1 Cache
  128 KB -
• L2 Cache
  2 MB -
• L3 Cache
  32 MB -
• Ray Accelerators
  32 -
• 渲染输出单位
  64 112
• 着色器
  2048 10496
• 纹理单位
  128 328
• CUDA Cores
  - 10496

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

• Infinity Cache
  32 MB -
• Memory Bandwidth
  280 GB/s 936 GB/s
• Memory Bus
  128 bit 384 bit
• Memory Clock
  2190 MHz 1219 MHz
• Memory Data Rate
  17.5 Gbps 19.5 Gbps
• 内存大小
  8 GB 24 GB
• 存储器类型
  GDDR6 GDDR6X

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

• 基准频率
  2055 MHz 1400 MHz
• 最大频率
  2635 MHz 1700 MHz
• Game Clock
  2410 MHz -

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

• System Power Supply
  Conflicting source values: 450 W (PSU recommendation) | 500 W (System power requirement) 750 W (System power requirement)
• TDP
  176 W 350 W
• Typical Board Power
  180 W -
• Graphics Card Power
  - 350 W
• Maximum GPU Temperature
  - 93 °C

连通性和连接.

• DisplayPort Ports
  3 × DisplayPort 1.4a 3 × DisplayPort
• HDMI端口
  1 × HDMI 2.1 -
• 最大。显示
  4 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Power Connectors
  1x8-Pin 2x PCIe 8-pin (adapter to 1x 12-pin included)
• HDCP Version
  - 2.3
• Other Display Outputs (unparsed)
  - HDMI

在电脑游戏中被充分使用的技术数据.

• DirectX
  12.2 12_2
• 最大分辨率
  7680 × 4320 7680 × 4320
• OpenCL
  2.1 3.0
• OpenGL
  4.6 4.6
• Shader Model
  6.5 6.6
• Vulkan
  1.3 1.3

内置对视频和图像压缩标准的支持.

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

GPU的接口和发布日期的比较 NVIDIA GeForce RTX 3090 和 AMD Radeon RX 6650 XT.

• Process Technology
  7 nm 8 nm
• 发布日期
  2022-05-10 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.
• Manufacturer specification scope
  - NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ.

• FP16 (theoretical)
  21.59 TFLOPS 35.58 TFLOPS
• FP32 (theoretical)
  10.79 TFLOPS -
• FP64 (theoretical)
  0.6746 TFLOPS -
• Pixel Rate
  168.6 GPixel/s 189.8 GPixel/s
• Texture Rate
  337.3 GTexel/s 556.0 GTexel/s