NVIDIA GeForce RTX 4080 16 GB 对 AMD Radeon RX 7900 XTX. 规格

显卡的基本技术数据比较 NVIDIA GeForce RTX 4080 16 GB 和 AMD Radeon RX 7900 XTX, 芯片，信息处理单元.

• 建筑学
  Ada Lovelace RDNA 3
• CUDA Cores
  9728 -
• Execution Units
  9728 96
• GPU芯片
  AD103 Navi 31
• L1 Cache
  128 KB -
• L2 Cache
  64 MB -
• 渲染输出单位
  112 192
• 纹理单位
  304 384
• AI Accelerators
  - 192
• 基于
  - AMD Radeon RX 7900 XTX
• Compute Units
  - 96
• Ray Accelerators
  - 96
• RT Cores
  - 96
• 着色器
  - 6144

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

• Memory Bandwidth
  716.8 GB/s 960 GB/s
• Memory Bus
  256 bit 384 bit
• Memory Clock
  1400 MHz 2500 MHz
• Memory Data Rate
  22.4 Gbps 20 Gbps
• 内存大小
  16 GB 24 GB
• 存储器类型
  GDDR6X GDDR6
• Infinity Cache
  - 96 MB

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

• 基准频率
  2210 MHz 1900 MHz
• 最大频率
  2510 MHz 2500 MHz
• Game Clock
  - 2300 MHz
• 超频
  - 是

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

• Maximum GPU Temperature
  90 °C -
• System Power Supply
  750 W (System power requirement) 800 W (System power requirement)
• TDP
  320 W 355 W
• Total Graphics Power
  320 W -
• Maximum Junction Temperature
  - -
• TDP (up)
  - -
• Typical Board Power
  - 355 W

用于显卡冷却系统的冷却器的类型和尺寸 NVIDIA GeForce RTX 4080 16 GB 和 AMD Radeon RX 7900 XTX.

• 冷却器类型
  - Air cooling
• 风扇类型
  - Axial
• 风扇1
  - 3 x 90 mm
• 风扇2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

连通性和连接.

• DisplayPort Ports
  3 × DisplayPort 2 × DisplayPort 2.1
• HDCP Version
  2.3 2.3
• HDMI端口
  1 × HDMI 2.1 1 × HDMI 2.1
• 最大。显示
  4 4
• Other Display Outputs (unparsed)
  HDMI -
• PCIe Interface
  PCIe 4.0 x16 PCIe 4.0 x16
• Power Connectors
  3x PCIe 8-pin cables (adapter in box) OR 1x 450 W or greater PCIe Gen 5 cable 2x8-Pin
• DVI端口
  - -
• USB-C Ports
  - 1 × USB-C
• VGA Ports
  - -

在电脑游戏中被充分使用的技术数据.

• CUDA
  8.9 -
• DirectX
  12.2 12_2 (Ultimate)
• 最大分辨率
  3840 × 2160 7680 × 4320
• OpenCL
  3.0 -
• OpenGL
  4.6 -
• Shader Model
  6.7 -
• Vulkan
  1.3 -
• DLSS / FSR
  - 是
• LED
  - No LED lighting
• 光线追踪
  - 是

内置对视频和图像压缩标准的支持.

• AV1
  - Decode / Encode
• 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
  61 mm 123 mm
• 长度
  310 mm 287 mm
• Slot Size
  Triple-slot 3 PCIe-Slots
• Width
  140 mm 51 mm
• Weight
  - -

GPU的接口和发布日期的比较 AMD Radeon RX 7900 XTX 和 NVIDIA GeForce RTX 4080 16 GB.

• Manufacturer specification scope
  NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ. -
• Official source
  https://www.nvidia.com/en-us/geforce/graphics-cards/compare/ https://www.amd.com/en/products/graphics/desktops/radeon/7000-series/amd-radeon-rx-7900xtx.html
• Process Technology
  4 nm 5 nm
• 发布日期
  Q3/2022 2022-12-13
• 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)
  - 999 $
• Part Number
  - -

• FP16 (theoretical)
  48.74 TFLOPS (1:1) -
• FP32 (theoretical)
  48.74 TFLOPS -
• FP64 (theoretical)
  761.5 GFLOPS (1:64) -
• Pixel Rate
  280.6 GPixel/s -
• Texture Rate
  761.5 GTexel/s -