Gainward GeForce RTX 3090 Phoenix GS vs AMD Radeon RX 6900 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards Gainward GeForce RTX 3090 Phoenix GS and AMD Radeon RX 6900 XT, chip, information processing units.

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

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

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

Let's compare the memory frequency of graphics cards Gainward GeForce RTX 3090 Phoenix GS and AMD Radeon RX 6900 XT. The higher the better.

• Base Clock
  1.395 GHz 1.825 GHz
• Boost Clock
  1.725 GHz+ 2 % 2.250 GHz
• Avg (Game) Clock
  2.015 GHz
• Overclocking
  Yes Yes

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

• TDP
  350 W 300 W
• TDP (up)
  -- 345 W
• Tjunction max
  93 °C --
• PCIe-Power
  2 x 8-Pin 2 x 8-Pin

Types and sizes of coolers for graphics card cooling system Gainward GeForce RTX 3090 Phoenix GS and AMD Radeon RX 6900 XT.

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling Air cooling
• Fan 1
  3 x 90 mm 3 x 80 mm
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Fan 2
  -- --
• Noise (Load)
  -- 40 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
  3x DP v1.4a 2x 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
  Yes No
• LED
  Non addressable LED Non addressable LED

Built-in support for video and image compression standards.

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

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

• Length
  294 mm 267 mm
• Height
  112 mm 120 mm
• Width
  -- --
• Width (Slots)
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  -- 1492 g

Comparison of interfaces and release dates for GPU AMD Radeon RX 6900 XT and Gainward GeForce RTX 3090 Phoenix GS.

• GPU Interface
  PCIe 4.0 x 16 PCIe 4.0 x 16
• Release date
  Q3/2020 Q4/2020
• Release price
  1,579 $ 999 $
• Structure size
  8 nm 7 nm
• Part-no
  NED3090S19SB-132BX 102-D412
• Documents
  data sheet --