GeForce RTX 3080 Ti Mobile vs GeForce GT 620M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti Mobile 's Advantages
Released 9 years and 5 months late
Boost Clock1260MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 28.80GB/s)
7328 additional rendering cores
GeForce GT 620M 's Advantages
Lower TDP (15W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
+7295%
18710
GeForce GT 620M
253
Graphics Card
Jan 2022
Release Date
Aug 2012
GeForce 30 Mobile
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
810 MHz
Base Clock
-
1260 MHz
Boost Clock
-
2000 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
28.80GB/s
Render Config
58
SM Count
2
7424
Shading Units
96
232
TMUs
16
96
ROPs
4
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
256 KB
Theoretical Performance
121.0 GPixel/s
Pixel Rate
2.640 GPixel/s
292.3 GTexel/s
Texture Rate
10.56 GTexel/s
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP32 (float)
253.4 GFLOPS
292.3 GFLOPS
FP64 (double)
21.12 GFLOPS
Board Design
115W
TDP
15W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GA103S
GPU Name
GF108
GN20-E8-A1
GPU Variant
N13P-GLP-A1
Ampere
Architecture
Fermi
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
Unknown
Transistors
0.585 billion
496 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
8.6
CUDA
2.1
6.5
Shader Model
5.1
