Radeon R9 M275X and GeForce GTS 450 Rev. 2 - video card comparison
Radeon R9 M275X
GeForce GTS 450 Rev. 2
Architecture
GCN 1.0 (2012−2020)
Fermi 2.0 (2010−2014)
GPU code name
Venus
GF116
Market segment
Desktop
Desktop
Release date
January 2014
March 2011
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
925 MHz
-
Compute units
10
-
Core clock speed
900 MHz
783 MHz
Floating-point performance
1,184 gflops
601.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,170 million
Pipelines / CUDA cores
640
192
Power consumption (TDP)
-
106 Watt
Texture fill rate
37.00
25.06
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1125 MHz
3608 MHz
Memory bandwidth
72 GB/s
57.73 GB/s
Display Connectors
No outputs
2x DVI, 1x mini-HDMI
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 11
12 (11_0)
CUDA
-
2.1
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-