
GeForce GTX 680MX and Radeon HD 4650 - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs Radeon HD 4650
GeForce GTX 680MX
4266
Radeon HD 4650
246
GeForce GTX 680MX
Radeon HD 4650
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
-
RV730
Market segment
Laptop
Desktop
Release date
October 2012
September 2008
Bus support
PCI Express 3.0
-
Interface
-
PCIe 2.0 x16
SLI options
+
-
Core clock speed
720 MHz
600 MHz
CUDA cores
1536
-
Floating-point performance
-
384.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
3540 Million
514 million
Pipelines / CUDA cores
1536
320
Power consumption (TDP)
122 Watt
48 Watt
Texture fill rate
92.2 billion/sec
19.20
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
2500 MHz
1400 MHz
Memory bandwidth
160 GB/s
22.4 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x S-Video
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
-
4.1
Vulkan
-
N/A
3D Vision
+
-
Optimus
+
-