NVIDIA L40 vs ASUS TUF Gaming GeForce RTX 4090. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA L40 and ASUS TUF Gaming GeForce RTX 4090, chip, information processing units.

• Architecture
  Ada Lovelace Ada Lovelace
• Execution Units
  18176 128
• GPU Chip
  AD102 AD102
• L1 Cache
  128 KB -
• L2 Cache
  96 MB -
• Render Output Units
  192 192
• RT Cores
  142 128
• Texture Units
  568 512
• Based on
  - NVIDIA GeForce RTX 4090
• Shader
  - 16384

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

• Memory Bandwidth
  864 GB/s 1008 GB/s
• Memory Bus
  384 bit 384 bit
• Memory Clock
  2250 MHz 1313 MHz
• Memory Data Rate
  18 Gbps 21 Gbps
• Memory Size
  48 GB 24 GB
• Memory Type
  GDDR6 GDDR6X

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

• Base Clock
  735 MHz 2235 MHz
• Boost Clock
  2490 MHz 2550 MHz + 1%
• Game Clock
  - -
• Overclocking
  - Yes

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

• System Power Supply
  700 W (PSU recommendation) -
• TDP
  300 W 450 W
• Maximum Junction Temperature
  - 90 °C
• TDP (up)
  - 450 W-25 %

Types and sizes of coolers for graphics card cooling system NVIDIA L40 and ASUS TUF Gaming GeForce RTX 4090.

• Cooler-Type
  - Air cooling
• Fan-Type
  - Axial
• Fan 1
  - 3 x 110 mm
• Fan 2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

Connectivity and connections.

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

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

• CUDA
  8.9 -
• DirectX
  12.2 12_2 (Ultimate)
• Max. resolution
  3840 × 2160 7680 × 4320
• OpenCL
  3.0 -
• OpenGL
  4.6 -
• Shader Model
  6.7 -
• Vulkan
  1.3 -
• DLSS / FSR
  - Yes
• LED
  - ASUS Aura Sync
• Raytracing
  - Yes

Built-in support for video and image compression standards.

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

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

• Length
  267 mm 348 mm
• Slot Size
  Dual-slot 4 PCIe-Slots
• Width
  111 mm 73 mm
• Height
  - 160 mm
• Weight
  - -

Comparison of interfaces and release dates for GPU ASUS TUF Gaming GeForce RTX 4090 and NVIDIA L40.

• Process Technology
  4 nm 4 nm
• Release date
  Q3/2022 Q4/2022
• Documents
  - data sheet
• Launch Price (historical)
  - 1,979 $
• Part Number
  - TUF-RTX4090-24G-GAMING

• 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 -