GeForce GTX 770M SLI and Radeon R9 M290X - video card comparison
GeForce GTX 770M SLI
Radeon R9 M290X
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
-
Neptune
Market segment
Laptop
Laptop
Release date
May 2013
January 2014
Bus support
-
PCIe 3.0 x16
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
-
900 MHz
Compute units
-
20
Core clock speed
811 MHz
850 MHz
Floating-point performance
-
2,304 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 2540 Million
2,800 million
Pipelines / CUDA cores
1920
1280
Power consumption (TDP)
150 Watt
100 Watt
Texture fill rate
-
72.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 3 GB
4 GB
Memory bus width
2x 192 Bit
256 Bit
Memory clock speed
4000 MHz
1200 MHz
Memory bandwidth
-
153.6 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
1
DirectX
11
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
5.1
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+