Product Compare

NVIDIA GeForce RTX 3080 vs NVIDIA GeForce GTX 1660 Ti Mobile

GPU GPU
Graphics Card
Release Date Sep 2020 Apr 2019
Generation GeForce 30 GeForce 16 Mobile
Type Desktop Mobile
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1440 MHz 1455 MHz
Boost Clock 1710 MHz 1590 MHz
Memory Clock 1188 MHz 1500 MHz
Memory
Memory Size 10GB 6GB
Memory Type GDDR6X GDDR6
Memory Bus 320bit 192bit
Bandwidth 760.3GB/s 288.0GB/s
Render Config
SM Count 68 24
Shading Units 8704 1536
TMUs 272 96
ROPs 96 48
Tensor Cores 272
RT Cores 68
L1 Cache 128 KB (per SM) 64 KB (per SM)
L2 Cache 5 MB 1536 KB
Theoretical Performance
Pixel Rate 164.2 GPixel/s 76.32 GPixel/s
Texture Rate 465.1 GTexel/s 152.6 GTexel/s
FP16 (half) 29.77 TFLOPS 9.769 TFLOPS
FP32 (float) 29.77 TFLOPS 4.884 TFLOPS
FP64 (double) 465.1 GFLOPS 152.6 GFLOPS
Graphics Processor
GPU Name GA102 TU116
GPU Variant GA102-200-KD-A1
Architecture Ampere Turing
Foundry Samsung TSMC
Process Size 8 nm 12 nm
Transistors 28.3 billion 6.6 billion
Die Size 628 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 12-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 8.6 7.5
Shader Model 6.6 6.7
Benchmarks
3DMark Time Spy 17662 5597
3DMark Time Spy Extreme 8879 2574