GeForce GTX 650 and Radeon R9 285X - video card comparison
GeForce GTX 650
Radeon R9 285X
Architecture
Kepler (2012−2018)
GCN 3.0 (2014−2017)
GPU code name
GK107
Tonga
Market segment
Desktop
Desktop
Release date
September 2012
-
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
1058 MHz
1002 MHz
CUDA cores
384
-
Floating-point performance
812.5 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
5,000 million
Pipelines / CUDA cores
384
2048
Power consumption (TDP)
64 Watt
200 Watt
Texture fill rate
33.9 billion/sec
128.3
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
128-bit GDDR5
384 Bit
Memory clock speed
5.0 GB/s
5.5 GB/s
Memory bandwidth
80.0 GB/s
264.0 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.3
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2.170
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-