NVIDIA GeForce RTX 4080 16 GB vs NVIDIA GeForce GTX 1660 Ti Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Apr 2019
Generation
GeForce 40
GeForce 16 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2205 MHz
1455 MHz
Boost Clock
2505 MHz
1590 MHz
Memory Clock
1400 MHz
1500 MHz
Memory
Memory Size
16GB
6GB
Memory Type
GDDR6X
GDDR6
Memory Bus
256bit
192bit
Bandwidth
716.8GB/s
288.0GB/s
Render Config
SM Count
76
24
Shading Units
9728
1536
TMUs
304
96
ROPs
112
48
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
64 MB
1536 KB
Theoretical Performance
Pixel Rate
280.6 GPixel/s
76.32 GPixel/s
Texture Rate
761.5 GTexel/s
152.6 GTexel/s
FP16 (half)
48.74 TFLOPS
9.769 TFLOPS
FP32 (float)
48.74 TFLOPS
4.884 TFLOPS
FP64 (double)
761.5 GFLOPS
152.6 GFLOPS
Graphics Processor
GPU Name
AD103
TU116
GPU Variant
AD103-300-A1
—
Architecture
Ada Lovelace
Turing
Foundry
TSMC
TSMC
Process Size
4 nm
12 nm
Transistors
45.9 billion
6.6 billion
Die Size
379 mm²
284 mm²
Board Design
TDP
320W
Unknown
Suggested PSU
700 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 16-pin
None
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
8.9
7.5
Shader Model
6.6
6.7
Benchmark
3DMark Time Spy
—
5,597
3DMark Time Spy Extreme
—
2,574
▲ Specs Compare
Data sourced from official specifications and benchmark tests.