Radeon R9 280 and Radeon R7 250 - video card comparison
Passmark - benchmark score Radeon R9 280 vs Radeon R7 250
Radeon R9 280
5725
Radeon R7 250
1100
Radeon R9 280
Radeon R7 250
Architecture
GCN 1.0 (2012−2020)
GCN (2011−2017)
GPU code name
Tahiti
Oland XT
Market segment
Desktop
Desktop
Release date
March 2014
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
Boost clock speed
933 MHz
1050 MHz
Floating-point performance
3,344 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
950 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
200 Watt
75 Watt
Texture fill rate
104.5
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
1150 MHz
Memory bandwidth
240 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
-
AppAcceleration
-
+
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-