Home GPU Comparison NVIDIA L40 vs NVIDIA L40G

NVIDIA L40 vs NVIDIA L40G

We compared two Professional market GPUs: 48GB VRAM L40 and 24GB VRAM L40G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40 's Advantages
Boost Clock has increased by 1% (2490MHz vs 2475MHz)
More VRAM (48GB vs 24GB)

Score

Benchmark

FP32 (float)
L40
90.52 TFLOPS
L40G
89.97 TFLOPS
L40
VS

Graphics Card

Oct 2022
Release Date
Oct 2022
Tesla Ada
Generation
Tesla Ada
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

735 MHz
Base Clock
1005 MHz
2490 MHz
Boost Clock
2475 MHz
2250 MHz
Memory Clock
2250 MHz

Memory

48GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
384bit
864.0GB/s
Bandwidth
864.0GB/s

Render Config

142
SM Count
142
-
Compute Units
-
18176
Shading Units
18176
568
TMUs
568
192
ROPs
192
568
Tensor Cores
568
142
RT Cores
142
128 KB (per SM)
L1 Cache
128 KB (per SM)
96 MB
L2 Cache
48 MB

Theoretical Performance

478.1 GPixel/s
Pixel Rate
475.2 GPixel/s
1414 GTexel/s
Texture Rate
1406 GTexel/s
90.52 TFLOPS
FP16 (half)
89.97 TFLOPS
90.52 TFLOPS
FP32 (float)
89.97 TFLOPS
1414 GFLOPS
FP64 (double)
1406 GFLOPS

Graphics Processor

AD102
GPU Name
AD102
AD102-895-A1
GPU Variant
AD102-???-A1
Ada Lovelace
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
4 nm
Process Size
4 nm
76.3 billion
Transistors
76.3 billion
608 mm²
Die Size
608 mm²

Board Design

300W
TDP
300W
700 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 16-pin

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.9
CUDA
8.9
6.6
Shader Model
6.6

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