GeForce GTX 670MX and Radeon HD 6450M - video card comparison
GeForce GTX 670MX
Radeon HD 6450M
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
N13E-GR
Seymour-PRO
Market segment
Laptop
Laptop
Release date
October 2012
January 2011
Bus support
PCI Express 2.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
+
-
Core clock speed
600 MHz
600 MHz
CUDA cores
960
-
Floating-point performance
1,154 gflops
192 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
370 million
Pipelines / CUDA cores
960
160
Power consumption (TDP)
75 Watt
-
Texture fill rate
48.0 billion/sec
4.800
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1400 MHz
800 MHz
Memory bandwidth
67.2 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
Optimus
+
-