Radeon HD 7750 and Radeon HD 4550 - video card comparison
Passmark - benchmark score Radeon HD 7750 vs Radeon HD 4550
Radeon HD 7750
1754
Radeon HD 4550
242
Radeon HD 7750
Radeon HD 4550
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Cape Verde
RV710
Market segment
Desktop
Desktop
Release date
February 2012
September 2008
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
800 MHz
-
Core clock speed
-
600 MHz
Floating-point performance
819.2 gflops
96 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,500 million
242 million
Pipelines / CUDA cores
512
80
Power consumption (TDP)
75 Watt
25 Watt
Texture fill rate
25.60
4.800
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
1310 MHz
Memory bandwidth
72 GB/s
10.48 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 11
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-