Radeon HD 4830 and GeForce GTX 650 - video card comparison
Passmark - benchmark score Radeon HD 4830 vs GeForce GTX 650
Radeon HD 4830
860
GeForce GTX 650
1801
Radeon HD 4830
GeForce GTX 650
Architecture
TeraScale (2005−2013)
Kepler (2012−2018)
GPU code name
RV770
GK107
Market segment
Desktop
Desktop
Release date
October 2008
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
575 MHz
1058 MHz
CUDA cores
-
384
Floating-point performance
736.0 gflops
812.5 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
956 million
1,270 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
95 Watt
64 Watt
Texture fill rate
18.40
33.9 billion/sec
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
128-bit GDDR5
Memory clock speed
1800 MHz
5.0 GB/s
Memory bandwidth
57.6 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
-
+