GeForce GT 620M and Radeon R5 (Kaveri) - video card comparison
GeForce GT 620M
Radeon R5 (Kaveri)
Architecture
Fermi (2010−2014)
GCN 1.1 (2014)
GPU code name
N13P-GLP / N13M-GS
Kaveri
Market segment
Laptop
Laptop
Release date
March 2012
June 2014
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
-
Boost clock speed
715 MHz
626 MHz
Core clock speed
Up to 625 MHz
514 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
2410 Million
Pipelines / CUDA cores
96
256
Power consumption (TDP)
15 Watt
-
Texture fill rate
Up to 10.0 billion/sec
-
Memory type
DDR3
-
Maximum RAM amount
1 GB
-
Memory bus width
Up to 128bit
64/128 Bit
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 API
12 (FL 12_0)
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
N/A
-
3D Blu-Ray
+
-
Optimus
+
-