L20 vs GeForce GT 620
We compared two Desktop platform GPUs: 48GB VRAM L20 and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
L20 's Advantages
Released 11 years and 6 months late
Boost Clock2520MHz
More VRAM (48GB vs 1024GB)
Larger VRAM bandwidth (864.0GB/s vs 14.40GB/s)
11680 additional rendering cores
GeForce GT 620 's Advantages
Lower TDP (49W vs 275W)
Score
Benchmark
FP32 (float)
L20
+21963%
59350
GeForce GT 620
269
Graphics Card
Nov 2023
Release Date
May 2012
Tesla Ada
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1440 MHz
Base Clock
-
2520 MHz
Boost Clock
-
2250 MHz
Memory Clock
900 MHz
Memory
48GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
384bit
Memory Bus
64bit
864.0GB/s
Bandwidth
14.40GB/s
Render Config
92
SM Count
2
11776
Shading Units
96
368
TMUs
16
128
ROPs
4
368
Tensor Cores
-
92
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
96 MB
L2 Cache
128 KB
Theoretical Performance
322.6 GPixel/s
Pixel Rate
2.800 GPixel/s
927.4 GTexel/s
Texture Rate
11.20 GTexel/s
59.35 TFLOPS
FP16 (half)
-
59.35 TFLOPS
FP32 (float)
268.8 GFLOPS
927.4 GFLOPS
FP64 (double)
22.40 GFLOPS
Board Design
275W
TDP
49W
600 W
Suggested PSU
200 W
4x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 16-pin
Power Connectors
None
Graphics Processor
AD102
GPU Name
GF108
AD102
GPU Variant
GF108-100-KB-A1
Ada Lovelace
Architecture
Fermi
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
76.3 billion
Transistors
0.585 billion
609 mm²
Die Size
116 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
2.1
6.7
Shader Model
5.1
