GeForce GTX 285M and Mobility Radeon HD 4830 - video card comparison
GeForce GTX 285M
Mobility Radeon HD 4830
Architecture
G9x (2007−2010)
Terascale 1 (2008−2010)
GPU code name
N10E-GTX1
M97
Market segment
Laptop
Laptop
Release date
March 2009
March 2009
Bus support
PCI-E 2.0
-
Interface
MXM-B (3.0)
PCIe 2.0 x16
SLI options
2-way
-
MXM Type
MXM 3.0 Type-B
-
Core clock speed
576 MHz
550 MHz
CUDA cores
128
-
Floating-point performance
384.0 gflops
704.0 gflops
Gigaflops
576
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
754 million
826 million
Pipelines / CUDA cores
128
640
Power consumption (TDP)
75 Watt
-
Texture fill rate
38 billion/sec
17.60
Memory type
GDDR3
GDDR3, DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
Up to 1020 MHz
700 MHz
Memory bandwidth
61 GB/s
44.8 GB/s
Shared memory
-
-
Display Connectors
Single Link DVIVGALVDSHDMIDual Link DVIDisplayPort
No outputs
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A
Power management
8.0
-