L20 vs RTX 4000 Ada Generation
We compared two Desktop platform GPUs: 48GB VRAM L20 and 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
L20 's Advantages
Boost Clock has increased by 16% (2520MHz vs 2175MHz)
More VRAM (48GB vs 20GB)
Larger VRAM bandwidth (864.0GB/s vs 360.0GB/s)
5632 additional rendering cores
RTX 4000 Ada Generation 's Advantages
Lower TDP (130W vs 275W)
Score
Benchmark
FP32 (float)
L20
+122%
59350
RTX 4000 Ada Generation
26730
Graphics Card
Nov 2023
Release Date
Aug 2023
Tesla Ada
Generation
Workstation Ada
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1440 MHz
Base Clock
1500 MHz
2520 MHz
Boost Clock
2175 MHz
2250 MHz
Memory Clock
2250 MHz
Memory
48GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
160bit
864.0GB/s
Bandwidth
360.0GB/s
Render Config
92
SM Count
48
11776
Shading Units
6144
368
TMUs
192
128
ROPs
64
368
Tensor Cores
192
92
RT Cores
48
128 KB (per SM)
L1 Cache
128 KB (per SM)
96 MB
L2 Cache
48 MB
Theoretical Performance
322.6 GPixel/s
Pixel Rate
139.2 GPixel/s
927.4 GTexel/s
Texture Rate
417.6 GTexel/s
59.35 TFLOPS
FP16 (half)
26.73 TFLOPS
59.35 TFLOPS
FP32 (float)
26.73 TFLOPS
927.4 GFLOPS
FP64 (double)
417.6 GFLOPS
Board Design
275W
TDP
130W
600 W
Suggested PSU
300 W
4x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 16-pin
Graphics Processor
AD102
GPU Name
AD104
AD102
GPU Variant
-
Ada Lovelace
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
35.8 billion
609 mm²
Die Size
294 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
8.9
CUDA
8.9
6.7
Shader Model
6.8
