GeForce GT 420M and Mobility Radeon HD 5850 Mac Edition - video card comparison
GeForce GT 420M
Mobility Radeon HD 5850 Mac Edition
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
N11P-GE
Broadway
Market segment
Laptop
Desktop
Release date
September 2010
January 2010
Interface
PCIe 2.0 x16
MXM-B (3.0)
Core clock speed
500 MHz
628 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
1,004.8 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
1,040 million
Pipelines / CUDA cores
96
800
Power consumption (TDP)
23 Watt
30 Watt
Texture fill rate
6.0 billion/sec
25.12
Memory type
(G)DDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
4000 MHz
Memory bandwidth
25.6 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
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
N/A
N/A