AMD Radeon RX 7800 XT vs SAPPHIRE Pulse Radeon RX 6650 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 7800 XT and SAPPHIRE Pulse Radeon RX 6650 XT, chip, information processing units.

• Based on
  AMD Radeon RX 7800 XT AMD Radeon RX 6650 XT
• GPU Chip
  Navi 32 (RDNA 3) Navi 23 KXT (RDNA 2)
• Shader
  7680 2048
• Render Output Units
  138 64
• Texture Units
  480 128
• Raytracing Cores
  120 32

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

• Memory Size
  16 GB 8 GB
• Memory Type
  GDDR6 GDDR6
• Memory Clock
  2.250 GHz 2.190 GHz
• Memory Speed
  18 Gbps 17.5 Gbps
• Memory Interface
  256 bit 128 bit

Let's compare the memory frequency of graphics cards AMD Radeon RX 7800 XT and SAPPHIRE Pulse Radeon RX 6650 XT. The higher the better.

• Base Clock
  1.800 GHz 2.055 GHz
• Boost Clock
  2.800 GHz+ 12 % 2.635 GHz
• Avg (Game) Clock
  2.600 GHz+ 30 % 2.410 GHz
• Overclocking
  Yes Yes

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

• TDP
  300 W+ 20 % 176 W
• TDP (up)
  -- --
• Tjunction max
  -- --
• PCIe-Power
  2 x 8-Pin 1 x 8-Pin

Types and sizes of coolers for graphics card cooling system AMD Radeon RX 7800 XT and SAPPHIRE Pulse Radeon RX 6650 XT.

• Fan-Type
  Axial Axial
• Fan 1
  -- 2 x 90 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 2.3
• HDMI Ports
  1x HDMI v2.1a 1x HDMI v2.1
• DP Ports
  3x DP v2.1 3x DP v1.4a
• 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 (Ultimate)
• Raytracing
  Yes Yes
• DLSS / FSR
  Yes Yes
• LED
  No LED lighting No LED lighting

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
  -- 240 mm
• Height
  -- 120 mm
• Width
  -- 45 mm
• Width (Slots)
  -- 2 PCIe-Slots
• Weight
  -- --

Comparison of interfaces and release dates for GPU SAPPHIRE Pulse Radeon RX 6650 XT and AMD Radeon RX 7800 XT.

• GPU Interface
  PCIe 4 x 16 PCIe 4.0 x 8
• Release date
  2023 Q2/2022
• Structure size
  5 nm 7 nm
• Part-no
  -- 11319-03-20G
• Documents
  -- data sheet