GeForce GTX 660M and GeForce RTX 3080 Ti - video card comparison
Passmark - benchmark score GeForce GTX 660M vs GeForce RTX 3080 Ti
GeForce GTX 660M
1478
GeForce RTX 3080 Ti
27990
GeForce GTX 660M
GeForce RTX 3080 Ti
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
N13E-GE
Ampere GA102
Market segment
Laptop
Desktop
Release date
March 2012
September 2020
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 4.0 x16
Supplementary power connectors
-
1x 12-pin
SLI options
+
-
Boost clock speed
950 MHz
1667 MHz
Core clock speed
835 MHz
1370 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,270 million
28,300 million
Pipelines / CUDA cores
384
10240
Power consumption (TDP)
50 Watt
350 Watt
Texture fill rate
30.4 billion/sec
532.8
Memory type
GDDR5
GDDR6X
Maximum RAM amount
2 GB
12 GB
Memory bus width
128bit
384 Bit
Memory clock speed
2000 MHz
19000 MHz
Memory bandwidth
64.0 GB/s
912.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.2
Optimus
+
-