AMD Radeon Pro W6400 vs AMD Radeon RX 6650 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon Pro W6400 and AMD Radeon RX 6650 XT, chip, information processing units.

• Based on
  AMD Radeon PRO AMD Radeon RX 6650 XT
• Execution Units
  12 32
• GPU Chip
  Navi 24 XL-W Navi 23 KXT
• Render Output Units
  32 64
• Shader
  768 2048
• Texture Units
  48 128
• Architecture
  - RDNA 2
• Compute Units
  - 32
• L1 Cache
  - 128 KB
• L2 Cache
  - 2 MB
• L3 Cache
  - 32 MB
• Ray Accelerators
  - 32

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

• Memory Bandwidth
  112 GB/s 280 GB/s
• Memory Bus
  64 bit 128 bit
• Memory Size
  4 GB 8 GB
• Memory Speed (legacy frequency label)
  1750 MHz -
• Memory Type
  GDDR6 GDDR6
• Infinity Cache
  - 32 MB
• Memory Clock
  - 2190 MHz
• Memory Data Rate
  - 17.5 Gbps

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

• Base Clock
  2330 MHz 2055 MHz
• Boost Clock
  2330 MHz 2635 MHz
• Overclocking
  No -
• Game Clock
  - 2410 MHz

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

• TDP
  50 W 176 W
• System Power Supply
  - Conflicting source values: 450 W (PSU recommendation) | 500 W (System power requirement)
• Typical Board Power
  - 180 W

Connectivity and connections.

• DisplayPort Ports
  2 × DisplayPort 1.4a 3 × DisplayPort 1.4a
• Power Connectors
  No 1x8-Pin
• HDMI Ports
  - 1 × HDMI 2.1
• Max. Displays
  - 4
• PCIe Interface
  - PCIe 4.0 x8

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

• DirectX
  12_2 12.2
• Max. resolution
  7680 × 4320 7680 × 4320
• OpenCL
  2.2 2.1
• OpenGL
  4.6 4.6
• Shader Model
  6.6 6.5
• Vulkan
  1.3 1.3

Built-in support for video and image compression standards.

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

Comparison of interfaces and release dates for GPU AMD Radeon RX 6650 XT and AMD Radeon Pro W6400.

• Process Technology
  - 7 nm
• Release date
  - 2022-05-10
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.

• FP16 (theoretical)
  - 21.59 TFLOPS
• FP32 (theoretical)
  - 10.79 TFLOPS
• FP64 (theoretical)
  - 0.6746 TFLOPS
• Pixel Rate
  - 168.6 GPixel/s
• Texture Rate
  - 337.3 GTexel/s