GeForce GT 650M SLI and Radeon HD 6770M - video card comparison
GeForce GT 650M SLI
Radeon HD 6770M
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
N13E-GE
Whistler-XT
Market segment
Laptop
Laptop
Release date
March 2012
January 2011
Interface
-
MXM-A (3.0)
Boost clock speed
835 MHz
-
Core clock speed
790 MHz
675 / 725 MHz
Floating-point performance
-
696.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
716 million
Pipelines / CUDA cores
768
480
Power consumption (TDP)
-
35 Watt
Texture fill rate
-
17.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x2 GB
1 GB
Memory bus width
2x 128 Bit
128 Bit
Memory clock speed
4000 MHz
800 MHz
Memory bandwidth
-
57.6 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
11.2 (11_0)
CUDA
+
-
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A
Optimus
+
-