NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 3070 Mobile
GPU Specs Compare
Graphics Card
Release Date
Sep 2012
Jan 2021
Generation
GeForce 600
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
980 MHz
1110 MHz
Boost Clock
1032 MHz
1560 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
448.0GB/s
Render Config
Shading Units
960
5120
TMUs
80
160
ROPs
24
80
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
4 MB
SM Count
-
40
Tensor Cores
-
160
RT Cores
-
40
Theoretical Performance
Pixel Rate
20.64 GPixel/s
124.8 GPixel/s
Texture Rate
82.56 GTexel/s
249.6 GTexel/s
FP32 (float)
1.981 TFLOPS
15.97 TFLOPS
FP64 (double)
82.56 GFLOPS
249.6 GFLOPS
FP16 (half)
-
15.97 TFLOPS
Graphics Processor
GPU Name
GK106
GA104
GPU Variant
GK106-400-A1
GA104-770-A1
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
2.54 billion
17.4 billion
Die Size
221 mm²
392 mm²
Board Design
TDP
140W
115W
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
8.6
Shader Model
5.1
6.6
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
-
OctaneBench
27
-
Blender
111
-