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GPU Comparison
NVIDIA GeForce RTX 4090D vs NVIDIA L20
NVIDIA GeForce RTX 4090D vs NVIDIA L20
VS
NVIDIA GeForce RTX 4090D
NVIDIA L20
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090D 's Advantages
Larger VRAM bandwidth (1008GB/s vs 864.0GB/s)
2816 additional rendering cores
NVIDIA L20 's Advantages
More VRAM (48GB vs 24GB)
Lower TDP (275W vs 425W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090D
+23%
73.54 TFLOPS
L20
59.35 TFLOPS
GeForce RTX 4090D
VS
L20
Graphics Card
Dec 2023
Release Date
Nov 2023
GeForce 40
Generation
Tesla Ada
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
2280 MHz
Base Clock
1440 MHz
2520 MHz
Boost Clock
2520 MHz
1313 MHz
Memory Clock
2250 MHz
Memory
24GB
Memory Size
48GB
GDDR6X
Memory Type
GDDR6
384bit
Memory Bus
384bit
1008GB/s
Bandwidth
864.0GB/s
Render Config
114
SM Count
92
-
Compute Units
-
14592
Shading Units
11776
456
TMUs
368
176
ROPs
128
456
Tensor Cores
368
114
RT Cores
92
128 KB (per SM)
L1 Cache
128 KB (per SM)
72 MB
L2 Cache
96 MB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
322.6 GPixel/s
1149 GTexel/s
Texture Rate
927.4 GTexel/s
73.54 TFLOPS
FP16 (half)
59.35 TFLOPS
73.54 TFLOPS
FP32 (float)
59.35 TFLOPS
1149 GFLOPS
FP64 (double)
927.4 GFLOPS
Graphics Processor
AD102
GPU Name
AD102
AD102-250-A1
GPU Variant
AD102
Ada Lovelace
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
76.3 billion
609 mm²
Die Size
609 mm²
Board Design
425W
TDP
275W
800 W
Suggested PSU
600 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
4x 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
6.7
Shader Model
6.7
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