GeForce GTX 670MX and Mobility Radeon HD 3450 - video card comparison
GeForce GTX 670MX
Mobility Radeon HD 3450
Architecture
Kepler (2012−2018)
RV6xx (2007−2010)
GPU code name
N13E-GR
M82
Market segment
Laptop
Laptop
Release date
October 2012
January 2007
Bus support
PCI Express 2.0
-
Interface
PCIe 3.0 x16
MXM-II
SLI options
+
-
Core clock speed
600 MHz
500 MHz
CUDA cores
960
-
Floating-point performance
1,154 gflops
40 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
3,540 million
181 million
Pipelines / CUDA cores
960
40
Power consumption (TDP)
75 Watt
12 Watt
Texture fill rate
48.0 billion/sec
2.000
Memory type
GDDR5
DDR2/GDDR3
Maximum RAM amount
3 GB
256 MB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1400 MHz
700 MHz
Memory bandwidth
67.2 GB/s
6.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
10.1
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
Optimus
+
-