GeForce GTX 660 Ti and Radeon R7 250 - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs Radeon R7 250
GeForce GTX 660 Ti
4547
Radeon R7 250
1100
GeForce GTX 660 Ti
Radeon R7 250
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK104
Oland XT
Market segment
Desktop
Desktop
Release date
August 2012
October 2013
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
Two 6-pin
N/A
SLI options
+
-
Boost clock speed
980 MHz
1050 MHz
Core clock speed
915 MHz
-
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
950 million
Pipelines / CUDA cores
1344
384
Power consumption (TDP)
150 Watt
75 Watt
Texture fill rate
102.5 billion/sec
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
1150 MHz
Memory bandwidth
144.2 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
AppAcceleration
-
+
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-