Product Compare

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce RTX 2080 SUPER

GPU GPU
Graphics Card
Release Date Aug 2012 Jul 2019
Generation GeForce 600 GeForce 20
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 823 MHz 1650 MHz
Boost Clock 888 MHz 1815 MHz
Memory Clock 1400 MHz 1937 MHz
Memory
Memory Size 1536MB 8GB
Memory Type GDDR5 GDDR6
Memory Bus 192bit 256bit
Bandwidth 134.4GB/s 495.9GB/s
Render Config
Shading Units 1152 3072
TMUs 96 192
ROPs 24 64
L1 Cache 16 KB (per SMX) 64 KB (per SM)
L2 Cache 384 KB 4 MB
SM Count 48
Tensor Cores 384
RT Cores 48
Theoretical Performance
Pixel Rate 21.31 GPixel/s 116.2 GPixel/s
Texture Rate 85.25 GTexel/s 348.5 GTexel/s
FP32 (float) 2.046 TFLOPS 11.15 TFLOPS
FP64 (double) 85.25 GFLOPS 348.5 GFLOPS
FP16 (half) 22.30 TFLOPS
Graphics Processor
GPU Name GK104 TU104
GPU Variant GK104-200-KD-A2 TU104-450-A1
Architecture Kepler Turing
Foundry TSMC TSMC
Process Size 28 nm 12 nm
Transistors 3.54 billion 13.6 billion
Die Size 294 mm² 545 mm²
Board Design
TDP 130W 250W
Suggested PSU 300 W 600 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Power Connectors 1x 6-pin 1x 6-pin + 1x 8-pin
Graphics Features
DirectX 12 (11_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.1 1.3
CUDA 3.0 7.5
Shader Model 5.1 6.8
Benchmarks
3DMark Time Spy 1194 11621
3DMark Time Spy Extreme 260 5382