Radeon R9 295X2 and Radeon R9 390 - video card comparison
Passmark - benchmark score Radeon R9 295X2 vs Radeon R9 390
Radeon R9 295X2
8876
Radeon R9 390
9182
Radeon R9 295X2
Radeon R9 390
Architecture
GCN 2.0 (2013−2017)
GCN 2.0 (2013−2017)
GPU code name
Vesuvius
Grenada
Market segment
Desktop
Desktop
Release date
April 2014
June 2015
Bus support
PCIe 2.1 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 8-pin
1 x 6-pin, 1 x 8-pin
Bridgeless CrossFire
-
1
Boost clock speed
1018 MHz
1000 MHz
Floating-point performance
2x 5,733 gflops
5,120 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
6,200 million
Pipelines / CUDA cores
2816
2560
Power consumption (TDP)
500 Watt
275 Watt
Texture fill rate
179.2
160.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
0 MB
Memory bus width
512 Bit
512 Bit
Memory clock speed
1250 MHz
1000 MHz
Memory bandwidth
640 GB/s
384 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
1
Number of Eyefinity displays
-
6
HDMI
+
+
DisplayPort support
-
+
DirectX
DirectX® 12
DirectX® 12
Mantle
-
+
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.3
Vulkan
+
+
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
+
TressFX
1
-
TrueAudio
-
+
UVD
+
-
VCE
-
+
ZeroCore
-
-