Radeon RX Vega 8 (Ryzen 2000/3000) and GeForce GTX 660M - video card comparison
Radeon RX Vega 8 (Ryzen 2000/3000)
GeForce GTX 660M
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega Raven Ridge
N13E-GE
Market segment
Laptop
Laptop
Release date
October 2017
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
-
MXM-B (3.0)
SLI options
-
+
Boost clock speed
1200 MHz
950 MHz
Core clock speed
-
835 MHz
CUDA cores
-
384
Floating-point performance
-
729.6 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
-
1,270 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
15 Watt
50 Watt
Texture fill rate
-
30.4 billion/sec
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
128bit
Memory clock speed
-
2000 MHz
Memory bandwidth
-
64.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12_1
12 API
CUDA
-
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
Optimus
-
+