NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 2080 SUPER Max Q
GPU Specs Compare
Graphics Card
Release Date
Sep 2012
Apr 2020
Generation
GeForce 600
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
735 MHz
Boost Clock
1032 MHz
975 MHz
Memory Clock
1502 MHz
1375 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
352.0GB/s
Render Config
Shading Units
960
3072
TMUs
80
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
20.64 GPixel/s
62.40 GPixel/s
Texture Rate
82.56 GTexel/s
187.2 GTexel/s
FP32 (float)
1.981 TFLOPS
5.990 TFLOPS
FP64 (double)
82.56 GFLOPS
187.2 GFLOPS
FP16 (half)
-
11.98 TFLOPS
Graphics Processor
GPU Name
GK106
TU104
GPU Variant
GK106-400-A1
N18E-G3R
Architecture
Kepler
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
2.54 billion
13.6 billion
Die Size
221 mm²
545 mm²
Board Design
TDP
140W
80W
Suggested PSU
300 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
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
6.6
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
-
OctaneBench
27
-
Blender
111
-