Radeon R7 M260X and GeForce GT 645M - video card comparison
Passmark - benchmark score Radeon R7 M260X vs GeForce GT 645M
Radeon R7 M260X
1020
GeForce GT 645M
957
Radeon R7 M260X
GeForce GT 645M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Mars
N13P-GS
Market segment
Laptop
Laptop
Release date
January 2014
March 2012
Bus support
PCIe 3.0 x8
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
715 MHz
-
Compute units
6
-
Core clock speed
715 MHz
Up to 710 MHz
CUDA cores
-
384
Floating-point performance
549.1 gflops
544.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
-
32 Watt
Texture fill rate
17.16
22.7 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
64 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
+
-
OpenCL
2.0
1.1
OpenGL
4.3
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-