ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC vs ASUS ROG Strix LC Radeon RX 6900 XT OC. Specifications, performance, tests

Comparison of basic technical data of graphics cards ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and ASUS ROG Strix LC Radeon RX 6900 XT OC, chip, information processing units.

• Based on
  AMD Radeon RX 6800 XT AMD Radeon RX 6900 XT
• GPU Chip
  Navi 21 XT Navi 21
• Execution units
  72 80
• Shader
  4608 5120
• Render Output Units
  128 128
• Texture Units
  288 320

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

• Memory Size
  16 GB 16 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  2 GHz 2 GHz
• Memory Bandwith
  512 GB/s 512 GB/s
• Memory Interface
  256 bit 256 bit

Let's compare the memory frequency of graphics cards ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and ASUS ROG Strix LC Radeon RX 6900 XT OC. The higher the better.

• Base Clock
  1.875 GHz+ 3 % 1.950 GHz+ 7 %
• Boost Clock
  2.310 GHz+ 3 % 2.365 GHz+ 5 %
• Avg (Game) Clock
  2.065 GHz+ 2 % 2.135 GHz+ 6 %
• Overclocking
  Yes Yes

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

• TDP
  300 W 300 W
• TDP (up)
  345 W 345 W
• Tjunction max
  96 °C --
• PCIe-Power
  3 x 8-Pin 3 x 8-Pin

Types and sizes of coolers for graphics card cooling system ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and ASUS ROG Strix LC Radeon RX 6900 XT OC.

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling AIO water cooling
• Fan 1
  3 x 100 mm --
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Fan 2
  -- --
• Noise (Load)
  35 dB 0 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
  No No
• LED
  Addressable LED ASUS Aura Sync

Built-in support for video and image compression standards.

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

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

• Length
  330 mm 277 mm
• Height
  140 mm 131 mm
• Width
  56 mm 44 mm
• Width (Slots)
  3 PCIe-Slots 2 PCIe-Slots
• Weight
  1784 g --

Comparison of interfaces and release dates for GPU ASUS ROG Strix LC Radeon RX 6900 XT OC and ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC.

• GPU Interface
  PCIe 4.0 x 16 PCIe 4.0 x 16
• Release date
  Q1/2021 Q4/2020
• Release price
  759 $ 1,299 $
• Structure size
  7 nm 7 nm
• Part-no
  RX6800XT PGD 16GO ROG-STRIX-LC-RX6900XT-O16G-GAMING
• Documents
  data sheet data sheet