Radeon R9 380X and GeForce GTX 660 Ti - video card comparison
Passmark - benchmark score Radeon R9 380X vs GeForce GTX 660 Ti
Radeon R9 380X
6380
GeForce GTX 660 Ti
4547
Radeon R9 380X
GeForce GTX 660 Ti
Architecture
GCN 3.0 (2014−2017)
Kepler (2012−2018)
GPU code name
Antigua
GK104
Market segment
Desktop
Desktop
Release date
November 2015
August 2012
Bus support
PCIe 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
Two 6-pin
SLI options
-
+
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
980 MHz
Compute units
32
-
Core clock speed
-
915 MHz
CUDA cores
-
1344
Floating-point performance
3,973 gflops
2,459.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
3,540 million
Pipelines / CUDA cores
2048
1344
Power consumption (TDP)
190 Watt
150 Watt
Texture fill rate
124.2
102.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
192-bit GDDR5
Memory clock speed
970 MHz
6.0 GB/s
Memory bandwidth
182.4 GB/s
144.2 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.5
4.3
Shader Model
6.3
5.1
Vulkan
+
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-