GeForce GTX 660 and Radeon R7 260 - video card comparison
Passmark - benchmark score GeForce GTX 660 vs Radeon R7 260
GeForce GTX 660
4119
Radeon R7 260
2978
GeForce GTX 660
Radeon R7 260
Architecture
Kepler (2012−2018)
GCN 2.0 (2013−2017)
GPU code name
GK106
Bonaire
Market segment
Desktop
Desktop
Release date
September 2012
December 2013
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
1 x 6-pin
SLI options
+
-
Boost clock speed
1033 MHz
1100 MHz
Core clock speed
980 MHz
-
CUDA cores
960
-
Floating-point performance
1,981 gflops
1,536 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
2,080 million
Pipelines / CUDA cores
960
768
Power consumption (TDP)
140 Watt
115 Watt
Texture fill rate
78.4 billion/sec
48.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
1625 MHz
Memory bandwidth
144.2 GB/s
104 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
+
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.3
4.6
Shader Model
5.1
6.3
Vulkan
1.1.126
-
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
AppAcceleration
-
-
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-