AMD Radeon RX 6650 XT vs Sapphire Toxic Radeon RX 6900 XT Extreme Edition. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 6650 XT and Sapphire Toxic Radeon RX 6900 XT Extreme Edition, chip, information processing units.

• Architecture
  RDNA 2 -
• Based on
  AMD Radeon RX 6650 XT AMD Radeon RX 6900 XT
• Compute Units
  32 -
• Execution Units
  32 80
• GPU Chip
  Navi 23 KXT Navi 21
• L1 Cache
  128 KB -
• L2 Cache
  2 MB -
• L3 Cache
  32 MB -
• Ray Accelerators
  32 -
• Render Output Units
  64 128
• Shader
  2048 5120
• Texture Units
  128 320

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 512 GB/s
• Memory Bus
  128 bit 256 bit
• Memory Clock
  2190 MHz -
• Memory Data Rate
  17.5 Gbps -
• Memory Size
  8 GB 16 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed (legacy frequency label)
  - 2000 MHz

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

• Base Clock
  2055 MHz 1825 MHz
• Boost Clock
  2635 MHz 2730 MHz + 21%
• Game Clock
  2410 MHz 2375 MHz + 18%
• Overclocking
  - Yes

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

• System Power Supply
  500 W (System power requirement) -
• TDP
  176 W 430 W+ 43 %
• Typical Board Power
  180 W -
• Maximum Junction Temperature
  - -
• TDP (up)
  - -

Types and sizes of coolers for graphics card cooling system AMD Radeon RX 6650 XT and Sapphire Toxic Radeon RX 6900 XT Extreme Edition.

• Cooler-Type
  - AIO water cooling
• Fan-Type
  - Axial
• Fan 1
  - 3 x 120 mm
• Fan 2
  - 1 x 90 mm
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 1.4a 3 × DisplayPort 1.4a
• HDMI Ports
  1 × HDMI 2.1 1 × HDMI 2.1
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Power Connectors
  1x8-Pin 1 x 6-Pin, 2 x 8-Pin
• DVI Ports
  - -
• HDCP Version
  - 2.3
• USB-C Ports
  - -
• VGA Ports
  - -

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 -
• OpenGL
  4.6 -
• Shader Model
  6.5 -
• Vulkan
  1.3 -
• DLSS / FSR
  - No
• LED
  - Addressable LED
• Raytracing
  - Yes

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 / Encode
• VP9
  Decode / Encode Decode / Encode

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

• Height
  - 130 mm
• Length
  - 270 mm
• Slot Size
  - 3 PCIe-Slots
• Weight
  - 1148 g
• Width
  - 45 mm

Comparison of interfaces and release dates for GPU Sapphire Toxic Radeon RX 6900 XT Extreme Edition and AMD Radeon RX 6650 XT.

• Process Technology
  7 nm 7 nm
• Release date
  2022-05-10 Q1/2021
• Documents
  - data sheet
• Launch Price (historical)
  - 1,499 $
• Part Number
  - 11308-08-20G

• FP16 (theoretical)
  21.59 TFLOPS -
• FP32 (theoretical)
  10.79 TFLOPS -
• FP64 (theoretical)
  0.6746 TFLOPS -
• Pixel Rate
  168.6 GPixel/s -
• Texture Rate
  337.3 GTexel/s -