NVIDIA GeForce RTX 4080 16 GB vs ASUS Radeon RX 7900 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA GeForce RTX 4080 16 GB and ASUS Radeon RX 7900 XT, chip, information processing units.

• Architecture
  Ada Lovelace RDNA 3
• CUDA Cores
  9728 -
• Execution Units
  9728 84
• GPU Chip
  AD103 Navi 31
• L1 Cache
  128 KB -
• L2 Cache
  64 MB -
• Render Output Units
  112 192
• Texture Units
  304 336
• Based on
  - AMD Radeon RX 7900 XT
• RT Cores
  - 84
• Shader
  - 5376

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 800 GB/s
• Memory Bus
  256 bit 320 bit
• Memory Clock
  1400 MHz 2500 MHz
• Memory Data Rate
  22.4 Gbps 20 Gbps
• Memory Size
  16 GB 20 GB
• Memory Type
  GDDR6X GDDR6

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

• Base Clock
  2210 MHz 1500 MHz
• Boost Clock
  2510 MHz 2400 MHz
• Game Clock
  - 2000 MHz
• Overclocking
  - Yes

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) -
• TDP
  320 W 300 W
• Total Graphics Power
  320 W -
• Maximum Junction Temperature
  - -
• TDP (up)
  - -

Types and sizes of coolers for graphics card cooling system NVIDIA GeForce RTX 4080 16 GB and ASUS Radeon RX 7900 XT.

• Cooler-Type
  - Air cooling
• Fan-Type
  - Axial
• Fan 1
  - 3 x 90 mm
• Fan 2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 2 × DisplayPort 2.1
• HDCP Version
  2.3 2.3
• HDMI Ports
  1 × HDMI 2.1 1 × HDMI 2.1
• Max. Displays
  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 2 x 8-Pin
• DVI Ports
  - -
• USB-C Ports
  - 1 × USB-C
• VGA Ports
  - -

Technical data that is used to its full potential in computer games.

• CUDA
  8.9 -
• DirectX
  12.2 12_2 (Ultimate)
• Max. resolution
  3840 × 2160 7680 × 4320
• OpenCL
  3.0 -
• OpenGL
  4.6 -
• Shader Model
  6.7 -
• Vulkan
  1.3 -
• DLSS / FSR
  - Yes
• LED
  - No LED lighting
• Raytracing
  - Yes

Built-in support for video and image compression standards.

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

The difference in size, weight and slot of the compared devices

• Height
  61 mm 113 mm
• Length
  310 mm 276 mm
• Slot Size
  Triple-slot 3 PCIe-Slots
• Width
  140 mm 51 mm
• Weight
  - -

Comparison of interfaces and release dates for GPU ASUS Radeon RX 7900 XT and 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. -
• Process Technology
  4 nm 5 nm
• Release date
  Q3/2022 Q4/2022
• Documents
  - data sheet
• Launch Price (historical)
  - -
• 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 -