NVIDIA RTX A400 vs NVIDIA L20
We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A400 's Advantages
Lower TDP (50W vs 275W)
NVIDIA L20 's Advantages
Boost Clock has increased by 43% (2520MHz vs 1762MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (864.0GB/s vs 96.00GB/s)
11008 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A400
2.706 TFLOPS
L20
+2093%
59.35 TFLOPS
Graphics Card
Apr 2024
Release Date
Nov 2023
Quadro Ampere(Ax000)
Generation
Tesla Ada
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1417 MHz
Base Clock
1440 MHz
1762 MHz
Boost Clock
2520 MHz
1500 MHz
Memory Clock
2250 MHz
Memory
4GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
64bit
Memory Bus
384bit
96.00GB/s
Bandwidth
864.0GB/s
Render Config
-
-
-
6
SM Count
92
768
Shading Units
11776
24
TMUs
368
16
ROPs
128
24
Tensor Cores
368
6
RT Cores
92
128 KB (per SM)
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
96 MB
-
-
-
Theoretical Performance
28.19 GPixel/s
Pixel Rate
322.6 GPixel/s
42.29 GTexel/s
Texture Rate
927.4 GTexel/s
2.706 TFLOPS
FP16 (half)
59.35 TFLOPS
2.706 TFLOPS
FP32 (float)
59.35 TFLOPS
42.29 GFLOPS
FP64 (double)
927.4 GFLOPS
Board Design
50W
TDP
275W
250 W
Suggested PSU
600 W
4x mini-DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 16-pin
Graphics Processor
GA107
GPU Name
AD102
-
GPU Variant
AD102
Ampere
Architecture
Ada Lovelace
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
8.7 billion
Transistors
76.3 billion
200 mm²
Die Size
609 mm²
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
8.6
CUDA
8.9
6.8
Shader Model
6.7
