GeForce GT 630M and Radeon HD 6770M Mac Edition - video card comparison
GeForce GT 630M
Radeon HD 6770M Mac Edition
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
N13P-GL/GL2
Whistler
Market segment
Laptop
Desktop
Release date
December 2011
January 2011
Bus support
PCI Express 2.0
-
Interface
MXM-A (3.0)
MXM-A (3.0)
Core clock speed
Up to 800 MHz
725 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
696.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
716 million
Pipelines / CUDA cores
96
480
Power consumption (TDP)
33 Watt
35 Watt
Texture fill rate
Up to 12.8 billion/sec
17.40
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
Up to 128bit
128 Bit
Memory clock speed
1800 MHz
3600 MHz
Memory bandwidth
Up to 32.0 GB/s
57.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A
3D Blu-Ray
+
-
Optimus
+
-