Radeon R7 250 and Radeon R7 (Carrizo) - video card comparison
Radeon R7 250
Radeon R7 (Carrizo)
Architecture
GCN (2011−2017)
GCN 1.2/2.0 (2015−2016)
GPU code name
Oland XT
Carrizo
Market segment
Desktop
Laptop
Release date
October 2013
June 2015
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
-
Supplementary power connectors
N/A
-
Boost clock speed
1050 MHz
800 MHz
Floating-point performance
716.8 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
2410 Million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
75 Watt
12-35 Watt
Texture fill rate
25.20
-
Memory type
DDR3, GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1150 MHz
-
Memory bandwidth
72 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x VGA
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (FL 12_0)
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-