Radeon HD 7750 and Radeon HD 6450 GDDR5 - video card comparison
Radeon HD 7750
Radeon HD 6450 GDDR5
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
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
750 MHz
Floating-point performance
819.2 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
512
160
Power consumption (TDP)
75 Watt
27 Watt
Texture fill rate
25.60
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
900 MHz
Memory bandwidth
72 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
11
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-