Radeon RX 480 Mobile and GeForce GTX 680M - video card comparison
Radeon RX 480 Mobile
GeForce GTX 680M
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris
N13E-GTX
Market segment
Laptop
Laptop
Release date
August 2016
June 2012
Bus support
-
PCI Express 3.0
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
1077 MHz
758 MHz
Core clock speed
-
720 MHz
CUDA cores
-
1344
Floating-point performance
4,963 gflops
2,038 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
3,540 million
Pipelines / CUDA cores
2304
1344
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
155.1
80.6 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
1800 MHz
Memory bandwidth
256.0 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
Optimus
-
+