Radeon HD 7750 and GeForce GTS 450 OEM - video card comparison
Radeon HD 7750
GeForce GTS 450 OEM
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Cape Verde
GF106
Market segment
Desktop
Desktop
Release date
February 2012
October 2010
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
800 MHz
-
Core clock speed
-
790 MHz
Floating-point performance
819.2 gflops
455.0 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
18.96
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1536 MB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1125 MHz
4000 MHz
Memory bandwidth
72 GB/s
96 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
-
-