Radeon HD 7750 and GeForce GTS 450 Rev. 3 - video card comparison
Radeon HD 7750
GeForce GTS 450 Rev. 3
Architecture
GCN 1.0 (2012−2020)
Fermi 2.0 (2010−2014)
GPU code name
Cape Verde
GF116
Market segment
Desktop
Desktop
Release date
February 2012
July 2012
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
783 MHz
Floating-point performance
819.2 gflops
451.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,170 million
Pipelines / CUDA cores
512
144
Power consumption (TDP)
75 Watt
106 Watt
Texture fill rate
25.60
18.79
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1125 MHz
1400 MHz
Memory bandwidth
72 GB/s
22.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x mini-HDMI
Eyefinity
1
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
2.1
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-