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.

• Architecture
  RDNA 2 Ampere
• Based on
  AMD Radeon RX 6650 XT -
• Compute Units
  32 -
• Execution Units
  32 82
• GPU Chip
  Navi 23 KXT GA102-300-A1
• L1 Cache
  128 KB -
• L2 Cache
  2 MB -
• L3 Cache
  32 MB -
• Ray Accelerators
  32 -
• Render Output Units
  64 112
• Shader
  2048 10496
• Texture Units
  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
• Memory Size
  8 GB 24 GB
• Memory Type
  GDDR6 GDDR6X

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

• Base Clock
  2055 MHz 1400 MHz
• Boost Clock
  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

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 1.4a 3 × DisplayPort
• HDMI Ports
  1 × HDMI 2.1 -
• Max. Displays
  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

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

• DirectX
  12.2 12_2
• Max. resolution
  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

Built-in support for video and image compression standards.

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

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

• Process Technology
  7 nm 8 nm
• Release date
  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