NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 1660 Ti Max Q
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Apr 2019
Generation
GeForce 600
GeForce 16 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
1140 MHz
Boost Clock
1032 MHz
1335 MHz
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
2GB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
288.0GB/s
Render Config
Shading Units
960
1536
TMUs
80
96
ROPs
24
48
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
1536 KB
SM Count
—
24
Theoretical Performance
Pixel Rate
20.64 GPixel/s
64.08 GPixel/s
Texture Rate
82.56 GTexel/s
128.2 GTexel/s
FP32 (float)
1.981 TFLOPS
4.101 TFLOPS
FP64 (double)
82.56 GFLOPS
128.2 GFLOPS
FP16 (half)
—
8.202 TFLOPS
Graphics Processor
GPU Name
GK104
TU116
Architecture
Kepler
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
3.54 billion
6.6 billion
Die Size
294 mm²
284 mm²
Board Design
TDP
140W
Unknown
Suggested PSU
300 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
7.5
Shader Model
5.1
6.7
Benchmark
3DMark Time Spy
—
4,973
3DMark Time Spy Extreme
—
2,304
Blender
—
870
▲ Specs Compare
Data sourced from official specifications and benchmark tests.