XFX Radeon RX 6800 XT vs AMD Radeon RX 6950 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards XFX Radeon RX 6800 XT and AMD Radeon RX 6950 XT, chip, information processing units.

• Based on
  AMD Radeon RX 6800 XT AMD Radeon RX 6950 XT
• Execution Units
  72 80
• GPU Chip
  Navi 21 XT Navi 21 KXTX
• Render Output Units
  128 128
• Shader
  4608 5120
• Texture Units
  288 320
• Architecture
  - RDNA 2
• Compute Units
  - 80
• L1 Cache
  - 128 KB
• L2 Cache
  - 4 MB
• L3 Cache
  - 128 MB
• Ray Accelerators
  - 80
• RT Cores
  - 80
• Streaming Multiprocessors
  - 80

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

• Memory Bandwidth
  512 GB/s 576 GB/s
• Memory Bus
  256 bit 256 bit
• Memory Size
  16 GB 16 GB
• Memory Speed (legacy frequency label)
  2000 MHz -
• Memory Type
  GDDR6 GDDR6
• Infinity Cache
  - 128 MB
• Memory Clock
  - 2250 MHz
• Memory Data Rate
  - 18 Gbps

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

• Base Clock
  1825 MHz 1890 MHz
• Boost Clock
  2250 MHz 2310 MHz
• Game Clock
  2015 MHz 2100 MHz
• Overclocking
  Yes Yes

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

• Maximum Junction Temperature
  96 °C 100 °C
• TDP
  300 W 335 W
• TDP (up)
  345 W -
• System Power Supply
  - 850 W (System power requirement)
• Typical Board Power
  - 335 W

Types and sizes of coolers for graphics card cooling system XFX Radeon RX 6800 XT and AMD Radeon RX 6950 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)
  37 dB -

Connectivity and connections.

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

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

• DirectX
  12_2 Conflicting source values: 12.2 | 12_2 (Ultimate)
• DLSS / FSR
  No Conflicting source values: No | Yes
• LED
  Non addressable LED No LED lighting
• Max. resolution
  7680 × 4320 7680 × 4320
• Raytracing
  Yes Yes
• OpenCL
  - 2.1
• OpenGL
  - 4.6
• Shader Model
  - 6.5
• Vulkan
  - 1.3

Built-in support for video and image compression standards.

• AV1
  Decode 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
  267 mm -
• Slot Size
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  1500 g -
• Width
  50 mm -

Comparison of interfaces and release dates for GPU AMD Radeon RX 6950 XT and XFX Radeon RX 6800 XT.

• Documents
  data sheet data sheet
• Launch Price (historical)
  - 1,099 $ (Reference)
• Part Number
  RX-68TMATFD8 -
• Process Technology
  7 nm 7 nm
• Release date
  Q2/2021 2022-05-10

• FP16 (theoretical)
  - 47.6 TFLOPS
• FP32 (theoretical)
  - 23.8 TFLOPS
• FP64 (theoretical)
  - 1,487 GFLOPS
• Pixel Rate
  - 297.5 GPixel/s
• Texture Rate
  - 743.7 GTexel/s