Radeon R9 390X and GeForce GTX 780 Ti - video card comparison
Passmark - benchmark score Radeon R9 390X vs GeForce GTX 780 Ti
Radeon R9 390X
9722
GeForce GTX 780 Ti
9801
Radeon R9 390X
GeForce GTX 780 Ti
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Grenada XT
GK110
Market segment
Desktop
Desktop
Release date
June 2015
November 2013
Bus support
PCIe 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
One 8-pin and one 6-pin
SLI options
-
+
Bridgeless CrossFire
1
-
Boost clock speed
1050 MHz
928 MHz
Core clock speed
-
875 MHz
CUDA cores
-
2880
Floating-point performance
5,914 gflops
5,345 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
7,080 million
Pipelines / CUDA cores
2816
2880
Power consumption (TDP)
275 Watt
250 Watt
Texture fill rate
184.8
210 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
0 MB
3 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
1050 MHz
7.0 GB/s
Memory bandwidth
384 GB/s
336 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
+
-
Number of Eyefinity displays
6
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_1)
CUDA
-
+
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.1
Vulkan
+
1.1.126
3D Gaming
-
+
3D Vision
-
+
3D Vision Live
-
+
AppAcceleration
-
-
Blu Ray 3D
-
+
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-