Radeon R9 390 and GeForce GTX 280 - video card comparison
Passmark - benchmark score Radeon R9 390 vs GeForce GTX 280
Radeon R9 390
9182
GeForce GTX 280
1338
Radeon R9 390
GeForce GTX 280
Architecture
GCN 2.0 (2013−2017)
Tesla 2.0 (2007−2013)
GPU code name
Grenada
GT200
Market segment
Desktop
Desktop
Release date
June 2015
June 2008
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
6-pin & 8-pin
SLI options
-
+
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
-
Core clock speed
-
602 MHz
CUDA cores
-
240
Floating-point performance
5,120 gflops
622.1 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
6,200 million
1,400 million
Pipelines / CUDA cores
2560
240
Power consumption (TDP)
275 Watt
236 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
160.0
48.2 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
0 MB
1 GB
Memory bus width
512 Bit
512 Bit
Memory clock speed
1000 MHz
1107 MHz
Memory bandwidth
384 GB/s
141.7 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
HDTVDual Link DVI
Multi monitor support
-
+
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
S/PDIF
DirectX
DirectX® 12
11.1 (10_0)
CUDA
-
+
Mantle
+
-
OpenCL
2.0
1.1
OpenGL
4.6
2.1
Shader Model
6.3
4.0
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-