Radeon R9 290X and Radeon HD 6450 - video card comparison
Passmark - benchmark score Radeon R9 290X vs Radeon HD 6450
Radeon R9 290X
7648
Radeon HD 6450
203
Radeon R9 290X
Radeon HD 6450
Architecture
GCN (2011−2017)
TeraScale 2 (2009−2015)
GPU code name
Hawaii XT
Caicos
Market segment
Desktop
Desktop
Release date
October 2013
April 2011
Bus support
PCIe 3.0
PCIe 2.0 x8
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
None
Boost clock speed
947 MHz
750 MHz
Floating-point performance
5,632 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
6,200 million
370 million
Pipelines / CUDA cores
2816
160
Power consumption (TDP)
250 Watt
30 Watt
Texture fill rate
176.0
5.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
512 Bit
64 Bit
Memory clock speed
1250 MHz
800 MHz
Memory bandwidth
320 GB/s
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
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
+
1
Number of Eyefinity displays
-
4
HDMI
+
+
DisplayPort support
+
+
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
+
-
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-