Radeon HD 4770 and GeForce GTX 650 - video card comparison
Passmark - benchmark score Radeon HD 4770 vs GeForce GTX 650
Radeon HD 4770
935
GeForce GTX 650
1801
Radeon HD 4770
GeForce GTX 650
Architecture
TeraScale (2005−2013)
Kepler (2012−2018)
GPU code name
RV740
GK107
Market segment
Desktop
Desktop
Release date
April 2009
September 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
One 6-pin
Core clock speed
750 MHz
1058 MHz
CUDA cores
-
384
Floating-point performance
960.0 gflops
812.5 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
826 million
1,270 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
80 Watt
64 Watt
Texture fill rate
24.00
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
128 Bit
128-bit GDDR5
Memory clock speed
3200 MHz
5.0 GB/s
Memory bandwidth
51.2 GB/s
80.0 GB/s
Display Connectors
2x DVI, 1x S-Video
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
1.1
1.2
OpenGL
3.3
4.3
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+