GeForce GT 630M and Mobility Radeon HD 3870 - video card comparison
GeForce GT 630M
Mobility Radeon HD 3870
Architecture
Fermi (2010−2014)
RV6xx (2007−2010)
GPU code name
N13P-GL/GL2
M88-XT
Market segment
Laptop
Laptop
Release date
December 2011
March 2008
Bus support
PCI Express 2.0
-
Interface
MXM-A (3.0)
PCIe 2.0 x16
Core clock speed
Up to 800 MHz
660 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
422.4 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
585 million
666 million
Pipelines / CUDA cores
96
320
Power consumption (TDP)
33 Watt
55 Watt
Texture fill rate
Up to 12.8 billion/sec
10.56
Memory type
DDR3\GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
Up to 128bit
256 Bit
Memory clock speed
1800 MHz
850 MHz
Memory bandwidth
Up to 32.0 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-
Optimus
+
-