Sapphire Radeon RX 6900 XT vs ASUS ROG Strix GeForce RTX 3090 OC. Specifications, performance, tests

Comparison of basic technical data of graphics cards Sapphire Radeon RX 6900 XT and ASUS ROG Strix GeForce RTX 3090 OC, chip, information processing units.

• Based on
  AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3090
• GPU Chip
  Navi 21 GA102-300-A1
• Execution units
  80 82
• Shader
  5120 10496
• Render Output Units
  128 112
• Texture Units
  320 328

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

• Memory Size
  16 GB 24 GB
• Memory Type
  GDDR6 GDDR6X
• Memory Speed
  2 GHz 1.219 GHz
• Memory Bandwith
  512 GB/s 936 GB/s
• Memory Interface
  256 bit 384 bit

Let's compare the memory frequency of graphics cards Sapphire Radeon RX 6900 XT and ASUS ROG Strix GeForce RTX 3090 OC. The higher the better.

• Base Clock
  1.825 GHz 1.395 GHz
• Boost Clock
  2.250 GHz 1.890 GHz+ 12 %
• Avg (Game) Clock
  2.015 GHz 1.860 GHz
• Overclocking
  Yes Yes

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

• TDP
  300 W 390 W+ 11 %
• TDP (up)
  345 W 480 W
• Tjunction max
  -- 93 °C
• PCIe-Power
  2 x 8-Pin 3 x 8-Pin

Types and sizes of coolers for graphics card cooling system Sapphire Radeon RX 6900 XT and ASUS ROG Strix GeForce RTX 3090 OC.

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling Air cooling
• Fan 1
  3 x 80 mm 3 x 95 mm
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Fan 2
  -- --
• Noise (Load)
  -- 40-47 dB

Connectivity and connections.

• Max. Displays
  4 4
• HDCP-Version
  2.3 2.3
• HDMI Ports
  1x HDMI v2.1 1x HDMI v2.1
• DP Ports
  2x DP v1.4a 3x DP v1.4a
• DVI Ports
  -- --
• VGA Ports
  -- --
• USB-C Ports
  1 --

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

• Max. resolution
  7680x4320 7680x4320
• DirectX
  12_2 12_2
• Raytracing
  Yes Yes
• DLSS / FSR
  No Yes
• LED
  Non addressable LED ASUS Aura Sync

Built-in support for video and image compression standards.

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

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

• Length
  267 mm 320 mm
• Height
  120 mm 140 mm
• Width
  50 mm --
• Width (Slots)
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  -- 1810 g

Comparison of interfaces and release dates for GPU ASUS ROG Strix GeForce RTX 3090 OC and Sapphire Radeon RX 6900 XT.

• GPU Interface
  PCIe 4.0 x 16 PCIe 4.0 x 16
• Release date
  Q2/2021 Q4/2020
• Release price
  -- 1,659 $
• Structure size
  7 nm 8 nm
• Part-no
  21308-01-20G ROG-STRIX-RTX3090-O24G-GAMING
• Documents
  data sheet data sheet