GeForce GTX 670M and Radeon R7 (Kaveri) - video card comparison
GeForce GTX 670M
Radeon R7 (Kaveri)
Architecture
Fermi (2010−2014)
GCN 1.1 (2014)
GPU code name
N13E-GS1-LP
Kaveri
Market segment
Laptop
Laptop
Release date
March 2012
June 2014
Bus support
PCI Express 2.0
-
Interface
MXM-B (3.0)
-
SLI options
+
-
Boost clock speed
-
686 MHz
Core clock speed
598 MHz
553 MHz
CUDA cores
336
-
Floating-point performance
803.7 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
2410 Million
Pipelines / CUDA cores
336
512
Power consumption (TDP)
75 Watt
-
Texture fill rate
33.5 billion/sec
-
Memory type
GDDR5
-
Maximum RAM amount
3 GB
-
Memory bus width
192bit
64/128 Bit
Memory clock speed
1500 MHz
-
Memory bandwidth
72.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (FL 12_0)
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
N/A
-
Optimus
+
-