
GeForce GT 650M and Mobility Radeon HD 5850 Mac Edition - video card comparison
GeForce GT 650M
Mobility Radeon HD 5850 Mac Edition
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
N13E-GE
Broadway
Market segment
Laptop
Desktop
Release date
March 2012
January 2010
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-B (3.0)
Boost clock speed
900 MHz
-
Core clock speed
Up to 900 MHz
628 MHz
CUDA cores
384
-
Floating-point performance
652.8 gflops
1,004.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
1,040 million
Pipelines / CUDA cores
384
800
Power consumption (TDP)
45 Watt
30 Watt
Texture fill rate
Up to 27.2 billion/sec
25.12
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
4000 MHz
Memory bandwidth
Up to 80.0 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
Optimus
+
-