AMD Radeon RX 6650 XT vs NVIDIA GeForce RTX 3090. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 6650 XT and NVIDIA GeForce RTX 3090, chip, information processing units.

• GPU Chip
  Navi 23 KXT GA102-300-A1
• Execution units
  32 82
• Shader
  2048 10496
• Render Output Units
  64 112
• Texture Units
  128 328

Comparison of the amount of memory on board graphics cards. The more the better.

• Memory Size
  8 GB 24 GB
• Memory Type
  GDDR6 GDDR6X
• Memory Clock
  2.19 GHz 1.219 GHz
• Memory Speed
  17.5 Gbps 19.5 Gbps
• Memory Bandwith
  280 GB/s 936 GB/s
• Memory Interface
  128 bit 384 bit

Let's compare the memory frequency of graphics cards AMD Radeon RX 6650 XT and NVIDIA GeForce RTX 3090. The higher the better.

• Base Clock
  2.055 GHz 1.4 GHz
• Boost Clock
  2.635 GHz 1.695 GHz

Connectors, the number of thermal watts emitted in normal mode and at overclocking.

• TDP
  176 W 350 W

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

• Max. Displays
  4 4
• Max. resolution
  7680x4320 7680x4320
• DirectX
  12.2 12_2
• OpenGL
  4.6 4.6
• OpenCL
  2.1 3.0
• Vulkan
  1.3 1.3
• Shader Model
  6.5 6.6

Built-in support for video and image compression standards.

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

Comparison of interfaces and release dates for GPU NVIDIA GeForce RTX 3090 and AMD Radeon RX 6650 XT.

• Architecture
  RDNA 2 Ampere
• GPU Interface
  PCIe 4.0 x 8 PCIe 4.0 x 16
• Structure size
  7 nm 8 nm
• Release date
  Q2/2022 Q3/2020

• Pixel Rate
  168.6 GPixel/s 189.8 GPixel/s
• Texture Rate
  337.3 GTexel/s 556.0 GTexel/s
• FP16 (half)
  21.59 TFLOPS 35.58 TFLOPS
• FP32 (float)
  10.79 TFLOPS FP32 (float)
• FP64 (double)
  674.6 GFLOPS FP64 (double)