NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce GTX 1660
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Mar 2019
Generation
GeForce 30 Mobile
GeForce 16
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1110 MHz
1530 MHz
Boost Clock
1545 MHz
1785 MHz
Memory Clock
1750 MHz
2001 MHz
Memory
Memory Size
16GB
6GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
192bit
Bandwidth
448.0GB/s
192.1GB/s
Render Config
SM Count
48
22
Shading Units
6144
1408
TMUs
192
88
ROPs
96
48
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
4 MB
1536 KB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
85.68 GPixel/s
Texture Rate
296.6 GTexel/s
157.1 GTexel/s
FP16 (half)
18.98 TFLOPS
10.05 TFLOPS
FP32 (float)
18.98 TFLOPS
5.027 TFLOPS
FP64 (double)
296.6 GFLOPS
157.1 GFLOPS
Graphics Processor
GPU Name
GA104
TU116
GPU Variant
GA104-775-A1
TU116-300-A1
Architecture
Ampere
Turing
Foundry
Samsung
TSMC
Process Size
8 nm
12 nm
Transistors
17.4 billion
6.6 billion
Die Size
392 mm²
284 mm²
Board Design
TDP
115W
120W
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
-
300 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
7.5
Shader Model
6.8
6.6
📊 Benchmark
3DMark Time Spy
-
5,444
3DMark Time Spy Extreme
-
2,465