Radeon RX Vega 8 (Ryzen 4000/5000) and GeForce GTX 660 Ti - video card comparison
Radeon RX Vega 8 (Ryzen 4000/5000)
GeForce GTX 660 Ti
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega
GK104
Market segment
Laptop
Desktop
Release date
January 2020
August 2012
Bus support
-
PCI Express 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
Two 6-pin
SLI options
-
+
Boost clock speed
2100 MHz
980 MHz
Core clock speed
-
915 MHz
CUDA cores
-
1344
Floating-point performance
-
2,459.5 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
-
3,540 million
Pipelines / CUDA cores
512
1344
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
-
102.5 billion/sec
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
192-bit GDDR5
Memory clock speed
-
6.0 GB/s
Memory bandwidth
-
144.2 GB/s
Shared memory
-
-
Display Connectors
-
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12_1
12 (11_0)
CUDA
-
+
OpenCL
-
1.2
OpenGL
-
4.3
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+