ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC vs GIGABYTE Radeon RX 7900 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and GIGABYTE Radeon RX 7900 XT, chip, information processing units.

• Based on
  AMD Radeon RX 6800 XT AMD Radeon RX 7900 XT
• GPU Chip
  Navi 21 XT Navi 31 (RDNA 3)
• Execution units
  72 84
• Shader
  4608 5376
• Render Output Units
  128 192
• Texture Units
  288 336

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

• Memory Size
  16 GB 20 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  2 GHz 20 Gbps
• Memory Bandwith
  512 GB/s 800 GB/s
• Memory Interface
  256 bit 320 bit

Let's compare the memory frequency of graphics cards ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and GIGABYTE Radeon RX 7900 XT. The higher the better.

• Base Clock
  1.875 GHz+ 3 % 1.500 GHz
• Boost Clock
  2.310 GHz+ 3 % 2.400 GHz
• Avg (Game) Clock
  2.065 GHz+ 2 % 2.000 GHz
• 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 --
• Tjunction max
  96 °C --
• PCIe-Power
  3 x 8-Pin 2 x 8-Pin

Types and sizes of coolers for graphics card cooling system ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and GIGABYTE Radeon RX 7900 XT.

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling Air cooling
• Fan 1
  3 x 100 mm 3 x 90 mm
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Fan 2
  -- --
• Noise (Load)
  35 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 v2.1
• 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 (Ultimate)
• Raytracing
  Yes Yes
• DLSS / FSR
  No Yes
• LED
  Addressable LED No LED lighting

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 / Encode

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

• Length
  330 mm 276 mm
• Height
  140 mm 113 mm
• Width
  56 mm 51 mm
• Width (Slots)
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  1784 g --

Comparison of interfaces and release dates for GPU GIGABYTE Radeon RX 7900 XT and ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC.

• GPU Interface
  PCIe 4.0 x 16 PCIe 4 x 16
• Release date
  Q1/2021 Q4/2022
• Release price
  759 $ --
• Structure size
  7 nm 5 nm
• Part-no
  RX6800XT PGD 16GO GV-R79XT-20GC-B
• Documents
  data sheet data sheet