Radeon R6 (Carrizo) and GeForce GT 620M - video card comparison
Radeon R6 (Carrizo)
GeForce GT 620M
Architecture
GCN 1.2/2.0 (2015−2016)
Fermi (2010−2014)
GPU code name
Carrizo
N13P-GLP / N13M-GS
Market segment
Laptop
Laptop
Release date
June 2015
March 2012
Bus support
-
PCI Express 2.0
Interface
-
PCIe 2.0 x16
Boost clock speed
800 MHz
715 MHz
Core clock speed
-
Up to 625 MHz
CUDA cores
-
96
Floating-point performance
-
253.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2410 Million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
12-35 Watt
15 Watt
Texture fill rate
-
Up to 10.0 billion/sec
Memory type
-
DDR3
Maximum RAM amount
-
1 GB
Memory bus width
64/128 Bit
Up to 128bit
Memory clock speed
-
1800 MHz
Memory bandwidth
-
Up to 28.8 GB/s
Shared memory
+
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (FL 12_0)
12 API
CUDA
-
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
Optimus
-
+