Radeon HD 7750 and Radeon HD 6450 - video card comparison
Passmark - benchmark score Radeon HD 7750 vs Radeon HD 6450
Radeon HD 7750
1754
Radeon HD 6450
203
Radeon HD 7750
Radeon HD 6450
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Cape Verde
Caicos
Market segment
Desktop
Desktop
Release date
February 2012
April 2011
Bus support
PCIe 2.1 x16
PCIe 2.0 x8
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
800 MHz
750 MHz
Floating-point performance
819.2 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
370 million
Pipelines / CUDA cores
512
160
Power consumption (TDP)
75 Watt
30 Watt
Texture fill rate
25.60
5.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
800 MHz
Memory bandwidth
72 GB/s
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
1
Number of Eyefinity displays
-
4
HDMI
+
+
DisplayPort support
+
+
DirectX
DirectX® 11
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
AppAcceleration
-
-
CrossFire
1
1
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-