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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
-
-