Radeon RX Vega 64 and GeForce GTX 660 Ti - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs GeForce GTX 660 Ti
Radeon RX Vega 64
14789
GeForce GTX 660 Ti
4547
Radeon RX Vega 64
GeForce GTX 660 Ti
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega
GK104
Market segment
Desktop
Desktop
Release date
August 2017
August 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Two 6-pin
SLI options
-
+
Boost clock speed
1546 MHz
980 MHz
Core clock speed
1630 MHz
915 MHz
CUDA cores
-
1344
Floating-point performance
13,353 gflops
2,459.5 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
3,540 million
Pipelines / CUDA cores
4096
1344
Power consumption (TDP)
295 Watt
150 Watt
Texture fill rate
395.8
102.5 billion/sec
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
2048 Bit
192-bit GDDR5
Memory clock speed
945 MHz
6.0 GB/s
Memory bandwidth
483.8 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
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 (12_1)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.2
OpenGL
4.6
4.3
Shader Model
6.4
5.1
Vulkan
1.1.125
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+