NVIDIA GeForce RTX 2070 Mobile vs NVIDIA GeForce GTX 660 Rev. 2
GPU · Specs Compare
Graphics Card
Release Date
Jan 2019
Sep 2014
Generation
GeForce 20 Mobile
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1215 MHz
980 MHz
Boost Clock
1440 MHz
1032 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
192bit
Bandwidth
448.0GB/s
144.2GB/s
Render Config
SM Count
36
—
Shading Units
2304
960
TMUs
144
80
ROPs
64
24
Tensor Cores
288
—
RT Cores
36
—
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Theoretical Performance
Pixel Rate
92.16 GPixel/s
20.64 GPixel/s
Texture Rate
207.4 GTexel/s
82.56 GTexel/s
FP16 (half)
13.27 TFLOPS
—
FP32 (float)
6.636 TFLOPS
1.981 TFLOPS
FP64 (double)
207.4 GFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
TU106
GK104
GPU Variant
N18E-G2-A1
—
Architecture
Turing
Kepler
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
10.8 billion
3.54 billion
Die Size
445 mm²
294 mm²
Board Design
TDP
115W
140W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
300 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
7.5
3.0
Shader Model
6.6
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.