Radeon R7 250X and Radeon R9 280X2 - video card comparison
Radeon R7 250X
Radeon R9 280X2
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Cape Verde
Tahiti
Market segment
Desktop
Desktop
Release date
February 2014
-
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
3x 8-pin
Boost clock speed
1000 MHz
1000 MHz
Floating-point performance
1,216 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
4,313 million
Pipelines / CUDA cores
640
2048
Power consumption (TDP)
80 Watt
375 Watt
Texture fill rate
38.00
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1625 MHz
6 GB/s
Memory bandwidth
96 GB/s
288.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
6x mini-DisplayPort 1.2
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (11_1)
Mantle
-
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
-
1.2.170
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-