GeForce GT 645M and Radeon R7 M260 - video card comparison
Passmark - benchmark score GeForce GT 645M vs Radeon R7 M260
GeForce GT 645M
957
Radeon R7 M260
511
GeForce GT 645M
Radeon R7 M260
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N13P-GS
Opal Pro / Mars
Market segment
Laptop
Laptop
Release date
March 2012
January 2014
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0 x8
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
980 MHz
Compute units
-
6
Core clock speed
Up to 710 MHz
715 MHz
CUDA cores
384
-
Floating-point performance
544.5 gflops
721.9 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
32 Watt
-
Texture fill rate
22.7 billion/sec
23.52
Memory type
DDR3\GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
Up to 64.0 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.1
2.0
OpenGL
4.5
4.3
Shader Model
5.1
6.3
Vulkan
1.1.126
-
3D Blu-Ray
+
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+