GeForce GTX 670MX and Radeon R6 M340DX - video card comparison
GeForce GTX 670MX
Radeon R6 M340DX
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N13E-GR
Jet
Market segment
Laptop
Laptop
Release date
October 2012
June 2015
Bus support
PCI Express 2.0
-
Interface
PCIe 3.0 x16
IGP
SLI options
+
-
Boost clock speed
-
1030 MHz
Core clock speed
600 MHz
-
CUDA cores
960
-
Floating-point performance
1,154 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
690 million
Pipelines / CUDA cores
960
704
Power consumption (TDP)
75 Watt
-
Texture fill rate
48.0 billion/sec
24.72
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
System Shared
Memory bus width
192 Bit
System Shared
Memory clock speed
1400 MHz
System Shared
Memory bandwidth
67.2 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
Optimus
+
-