GeForce 800M and Mobility Radeon HD 2400 XT Mac Edition - video card comparison
GeForce 800M
Mobility Radeon HD 2400 XT Mac Edition
Architecture
Fermi 2.0 (2010−2014)
TeraScale (2005−2013)
GPU code name
GF117
M74
Market segment
Desktop
Desktop
Release date
March 2014
June 2007
Bus support
PCI Express 3.0
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Core clock speed
738 MHz
650 MHz
Floating-point performance
141.7 gflops
52 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
585 million
180 million
Pipelines / CUDA cores
48
40
Power consumption (TDP)
15 Watt
-
Texture fill rate
5.904
2.600
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
128 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1600 MHz
Memory bandwidth
14.4 GB/s
12.8 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
10.0 (10_0)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-