AMD Radeon RX 7700 XT vs PowerColor Hellhound Radeon RX 6600 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 7700 XT and PowerColor Hellhound Radeon RX 6600 XT, chip, information processing units.

• Based on
  AMD Radeon RX 7700 XT AMD Radeon RX 6600 XT
• GPU Chip
  Navi 33 XT (RDNA 3) Navi 23 XT
• Shader
  2048 2048
• Render Output Units
  64 64
• Texture Units
  128 128

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

• Memory Size
  8 GB 8 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  18 Gbps 2 GHz
• Memory Interface
  128 bit 128 bit

Let's compare the memory frequency of graphics cards AMD Radeon RX 7700 XT and PowerColor Hellhound Radeon RX 6600 XT. The higher the better.

• Base Clock
  1.900 GHz 1.968 GHz
• Boost Clock
  2.600 GHz 2.593 GHz
• Avg (Game) Clock
  2.400 GHz 2.382 GHz+ 1 %
• Overclocking
  Yes Yes

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

• TDP
  200 W 160 W
• TDP (up)
  -- --
• Tjunction max
  -- 110 °C
• PCIe-Power
  -- 1 x 8-Pin

Types and sizes of coolers for graphics card cooling system AMD Radeon RX 7700 XT and PowerColor Hellhound Radeon RX 6600 XT.

• Fan-Type
  -- Axial
• Fan 1
  -- 2 x 100 mm
• Fan 2
  -- --
• Cooler-Type
  Air cooling Air cooling
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Noise (Load)
  -- --

Connectivity and connections.

• Max. Displays
  4 4
• HDCP-Version
  -- 2.3
• HDMI Ports
  -- 1x HDMI v2.1
• DP Ports
  -- 3x DP v1.4
• DVI Ports
  -- --
• VGA Ports
  -- --
• USB-C Ports
  -- --

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

• Max. resolution
  7680x4320 7680x4320
• DirectX
  12_2 (Ultimate) 12_2
• Raytracing
  Yes Yes
• DLSS / FSR
  Yes No
• LED
  No LED lighting Addressable LED

Built-in support for video and image compression standards.

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

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

• Length
  -- 220 mm
• Height
  -- 132 mm
• Width
  -- 45 mm
• Width (Slots)
  -- 3 PCIe-Slots
• Weight
  -- --

Comparison of interfaces and release dates for GPU PowerColor Hellhound Radeon RX 6600 XT and AMD Radeon RX 7700 XT.

• GPU Interface
  PCIe 4 x 16 PCIe 4.0 x 8
• Release date
  2023 Q3/2021
• Structure size
  6 nm 7 nm
• Part-no
  -- AXRX 6600XT 8GBD6-3DHL/OC
• Documents
  -- data sheet