Radeon R9 M290X and GeForce GTX 260M SLI - video card comparison
Radeon R9 M290X
GeForce GTX 260M SLI
Architecture
GCN (2011−2017)
G9x (2007−2010)
GPU code name
Neptune
NB9E-GTX
Market segment
Laptop
Laptop
Release date
January 2014
March 2009
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
None
-
Boost clock speed
900 MHz
-
Compute units
20
-
Core clock speed
850 MHz
550 MHz
Floating-point performance
2,304 gflops
-
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
1508 Million
Pipelines / CUDA cores
1280
224
Power consumption (TDP)
100 Watt
150 Watt
Texture fill rate
72.00
-
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
950 MHz
Memory bandwidth
153.6 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
Eyefinity
1
-
DirectX
DirectX® 11
10
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
-
OpenGL
4.4
-
Shader Model
5.1
-
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-