AMD Radeon RX 7800 XT vs XFX Radeon RX 6900 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 7800 XT and XFX Radeon RX 6900 XT, chip, information processing units.

• AI Accelerators
  120 -
• Architecture
  RDNA 3 -
• Based on
  AMD Radeon RX 7800 XT AMD Radeon RX 6900 XT
• Compute Units
  60 -
• Execution Units
  60 80
• GPU Chip
  Navi 32 Navi 21
• Ray Accelerators
  60 -
• Render Output Units
  96 128
• RT Cores
  120 -
• Shader
  3840 5120
• Streaming Multiprocessors
  60 -
• Texture Units
  480 320

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

• Infinity Cache
  64 MB -
• Memory Bandwidth
  624 GB/s 512 GB/s
• Memory Bus
  256 bit 256 bit
• Memory Clock
  2250 MHz -
• Memory Data Rate
  19.5 Gbps -
• Memory Size
  16 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
  1800 MHz 1825 MHz
• Boost Clock
  2430 MHz 2250 MHz
• Game Clock
  2124 MHz 2015 MHz
• Overclocking
  Yes Yes

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

• Maximum Junction Temperature
  - -
• System Power Supply
  700 W (System power requirement) -
• TDP
  300 W+ 20 % 300 W
• TDP (up)
  - 345 W
• Typical Board Power
  263 W -

Types and sizes of coolers for graphics card cooling system AMD Radeon RX 7800 XT and XFX Radeon RX 6900 XT.

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

Connectivity and connections.

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

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

• DirectX
  12_2 (Ultimate) 12_2
• DLSS / FSR
  Yes No
• LED
  No LED lighting Non addressable LED
• Max. resolution
  7680 × 4320 7680 × 4320
• Raytracing
  Yes Yes

Built-in support for video and image compression standards.

• AV1
  Decode / Encode 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
  - 120 mm
• Length
  - 237 mm
• Slot Size
  - 2 PCIe-Slots
• Weight
  - -
• Width
  - 40 mm

Comparison of interfaces and release dates for GPU XFX Radeon RX 6900 XT and AMD Radeon RX 7800 XT.

• Documents
  - data sheet
• Launch Price (historical)
  799 $ 1,099 $
• Part Number
  - RX-69TMATFD8
• Process Technology
  5 nm 7 nm
• Release date
  2023 Q1/2021