GeForce GTX 280M and Radeon HD 6490M - video card comparison
Passmark - benchmark score GeForce GTX 280M vs Radeon HD 6490M
GeForce GTX 280M
592
Radeon HD 6490M
388
GeForce GTX 280M
Radeon HD 6490M
Architecture
G9x (2007−2010)
Terascale 2 (2009−2015)
GPU code name
N10E-GTX
Seymour XT
Market segment
Laptop
Laptop
Release date
March 2009
January 2011
Bus support
PCI-E 2.0
-
Interface
MXM-IV
PCIe 2.0 x16
SLI options
+
-
MXM Type
MXM 3.0 Type-B
-
Core clock speed
585 MHz
700 / 750 / 800 MHz
CUDA cores
128
-
Floating-point performance
374.5 gflops
256 gflops
Gigaflops
562
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
754 million
370 million
Pipelines / CUDA cores
128
160
Power consumption (TDP)
75 Watt
-
Texture fill rate
38 billion/sec
6.400
Memory type
GDDR3
DDR3/GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
Up to 950 MHz
800 MHz
Memory bandwidth
61 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
HDMIDual Link DVISingle Link DVIDisplayPortLVDSVGA
No outputs
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
2.1
4.4
Shader Model
4.0
5.0
Vulkan
N/A
N/A
Power management
8.0
-