
Radeon R4 (Stoney Ridge) and Radeon HD 6450 - video card comparison
Radeon R4 (Stoney Ridge)
Radeon HD 6450
Architecture
GCN 1.2/2.0 (2015−2016)
TeraScale 2 (2009−2015)
GPU code name
Stoney Ridge
Caicos
Market segment
Laptop
Desktop
Release date
June 2016
April 2011
Bus support
-
PCIe 2.0 x8
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
600 MHz
750 MHz
Floating-point performance
-
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
370 million
Pipelines / CUDA cores
192
160
Power consumption (TDP)
15 Watt
30 Watt
Texture fill rate
-
5.000
Memory type
-
GDDR5
Maximum RAM amount
-
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
-
800 MHz
Memory bandwidth
-
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Shared memory
+
-
Display Connectors
-
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
-
+
DisplayPort support
-
+
DirectX
12 (FL 12_0)
DirectX® 11
Mantle
-
-
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-