NVIDIA GeForce RTX 3080 Ti Max-Q vs AMD Radeon RX 6400. Specifications

Comparison of basic technical data of graphics cards NVIDIA GeForce RTX 3080 Ti Max-Q and AMD Radeon RX 6400, chip, information processing units.

• Architecture
  Ampere RDNA 2
• Based on
  GA103S AMD Radeon RX 6400
• Execution Units
  7424 12
• GPU Chip
  GN20-E8-A1 Navi 24 XL
• Render Output Units
  96 32
• Texture Units
  232 48
• Compute Units
  - 12
• Ray Accelerators
  - 12
• Shader
  - 768

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

• Memory Bandwidth
  384 GB/s 128 GB/s
• Memory Bus
  256 bit 64 bit
• Memory Size
  16 GB 4 GB
• Memory Speed (legacy frequency label)
  1500 MHz -
• Memory Type
  GDDR6 GDDR6
• Infinity Cache
  - 16 MB
• Memory Clock
  - 2000 MHz
• Memory Data Rate
  - 16 Gbps

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

• Base Clock
  600 MHz 1923 MHz
• Boost Clock
  1125 MHz 2321 MHz
• Overclocking
  No Yes
• Game Clock
  - 2039 MHz

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

• TDP
  80 W 53 W
• Maximum Junction Temperature
  - -
• System Power Supply
  - 350 W (System power requirement)
• TDP (up)
  - No
• Typical Board Power
  - 53 W

Types and sizes of coolers for graphics card cooling system NVIDIA GeForce RTX 3080 Ti Max-Q and AMD Radeon RX 6400.

• Cooler-Type
  - Air cooling
• Fan-Type
  - -
• Fan 1
  - -
• Fan 2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

Connectivity and connections.

• PCIe Interface
  PCIe 4.0 x16 PCIe 4.0 x4
• Power Connectors
  No PCIe Powered
• DisplayPort Ports
  - 1 × DisplayPort 1.4a
• DVI Ports
  - -
• HDCP Version
  - 2.3
• HDMI Ports
  - 1 × HDMI 2.1
• HDMI Version
  - HDMI 2.1 VRR and FRL
• Max. Displays
  - 2
• USB-C Ports
  - -
• VGA Ports
  - -

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

• DirectX
  12_2 Conflicting source values: 12.2 | 12_2
• Max. resolution
  7680 × 4320 7680 × 4320
• OpenCL
  3.0 -
• OpenGL
  4.6 -
• Shader Model
  6.5 -
• Vulkan
  1.3 -
• DLSS / FSR
  - No
• LED
  - No LED lighting
• Raytracing
  - Yes

Built-in support for video and image compression standards.

• AV1
  - Decode
• 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
  - -
• Length
  - -
• Slot Size
  - -
• Weight
  - -
• Width
  - -

Comparison of interfaces and release dates for GPU AMD Radeon RX 6400 and NVIDIA GeForce RTX 3080 Ti Max-Q.

• Process Technology
  8 nm 6 nm
• Documents
  - data sheet
• Launch Price (historical)
  - -
• Manufacturer
  - AMD
• Official source
  - https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6400.html
• Part Number
  - -
• Release date
  - 2022-01-19
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  - 2026-09-30

• FP16 (theoretical)
  16.7 TFLOPS -
• FP32 (theoretical)
  16.7 TFLOPS -
• FP64 (theoretical)
  0.261 TFLOPS -
• Pixel Rate
  108.0 GPixel/s -
• Texture Rate
  261.0 GTexel/s -