Radeon R7 260 and GeForce GT 645M - video card comparison
Passmark - benchmark score Radeon R7 260 vs GeForce GT 645M
Radeon R7 260
2978
GeForce GT 645M
957
Radeon R7 260
GeForce GT 645M
Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)
GPU code name
Bonaire
N13P-GS
Market segment
Desktop
Laptop
Release date
December 2013
March 2012
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
-
Boost clock speed
1100 MHz
-
Core clock speed
-
Up to 710 MHz
CUDA cores
-
384
Floating-point performance
1,536 gflops
544.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,270 million
Pipelines / CUDA cores
768
384
Power consumption (TDP)
115 Watt
32 Watt
Texture fill rate
48.00
22.7 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1625 MHz
1800 MHz
Memory bandwidth
104 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DisplayPort support
+
-
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
-
-
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.3
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
AppAcceleration
-
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-