Radeon R9 390 and Radeon R7 250 - video card comparison
Passmark - benchmark score Radeon R9 390 vs Radeon R7 250
Radeon R9 390
9182
Radeon R7 250
1100
Radeon R9 390
Radeon R7 250
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Grenada
Oland XT
Market segment
Desktop
Desktop
Release date
June 2015
October 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
N/A
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
1050 MHz
Floating-point performance
5,120 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
950 million
Pipelines / CUDA cores
2560
384
Power consumption (TDP)
275 Watt
75 Watt
Texture fill rate
160.0
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
0 MB
2 GB
Memory bus width
512 Bit
128 Bit
Memory clock speed
1000 MHz
1150 MHz
Memory bandwidth
384 GB/s
72 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 12
Mantle
+
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
+
-
AppAcceleration
-
+
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-