ASRock Radeon RX 6650 XT Challenger D 8GB OC vs NVIDIA L40. Specifications, performance, tests

Comparison of basic technical data of graphics cards ASRock Radeon RX 6650 XT Challenger D 8GB OC and NVIDIA L40, chip, information processing units.

• Architecture
  RDNA 2 Ada Lovelace
• Based on
  AMD Radeon RX 6650 XT -
• Execution Units
  32 18176
• GPU Chip
  Navi 23 KXT AD102
• Render Output Units
  64 192
• RT Cores
  32 142
• Shader
  2048 -
• Texture Units
  128 568
• L1 Cache
  - 128 KB
• L2 Cache
  - 96 MB

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

• Memory Bandwidth
  280 GB/s 864 GB/s
• Memory Bus
  128 bit 384 bit
• Memory Clock
  2190 MHz 2250 MHz
• Memory Data Rate
  17.5 Gbps 18 Gbps
• Memory Size
  8 GB 48 GB
• Memory Type
  GDDR6 GDDR6

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

• Base Clock
  2106 MHz + 2% 735 MHz
• Boost Clock
  2669 MHz + 1% 2490 MHz
• Game Clock
  2447 MHz + 2% -
• Overclocking
  Yes -

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

• Maximum Junction Temperature
  - -
• TDP
  180 W+ 2 % 300 W
• TDP (up)
  - -
• System Power Supply
  - 700 W (PSU recommendation)

Types and sizes of coolers for graphics card cooling system ASRock Radeon RX 6650 XT Challenger D 8GB OC and NVIDIA L40.

• Cooler-Type
  Air cooling -
• Fan-Type
  Axial -
• Fan 1
  2 x 90 mm -
• Fan 2
  - -
• Noise (Idle)
  0 dB / Silent -
• Noise (Load)
  - -

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 1.4a 4 × DisplayPort 1.4a
• DVI Ports
  - -
• HDCP Version
  2.3 -
• HDMI Ports
  1 × HDMI 2.1 -
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Power Connectors
  1 x 8-Pin 1x 16-pin
• USB-C Ports
  - -
• VGA Ports
  - -

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

• DirectX
  12_2 (Ultimate) 12.2
• DLSS / FSR
  Yes -
• LED
  No LED lighting -
• Max. resolution
  7680 × 4320 3840 × 2160
• Raytracing
  Yes -
• CUDA
  - 8.9
• OpenCL
  - 3.0
• OpenGL
  - 4.6
• Shader Model
  - 6.7
• Vulkan
  - 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 -

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

• Height
  132 mm -
• Length
  269 mm 267 mm
• Slot Size
  2 PCIe-Slots Dual-slot
• Weight
  640 g -
• Width
  41 mm 111 mm

Comparison of interfaces and release dates for GPU NVIDIA L40 and ASRock Radeon RX 6650 XT Challenger D 8GB OC.

• Documents
  data sheet -
• Launch Price (historical)
  - -
• Part Number
  RX6650XT CLD 8GO -
• Process Technology
  7 nm 4 nm
• Release date
  Q2/2022 Q3/2022

• FP16 (theoretical)
  - 90.52 TFLOPS (1:1)
• FP32 (theoretical)
  - 90.52 TFLOPS
• FP64 (theoretical)
  - 1.414 GFLOPS (1:64)
• Pixel Rate
  - 478.1 GPixel/s
• Texture Rate
  - 1.414 GTexel/s