GeForce GTX 750 Ti and Radeon HD 6450 - video card comparison
Passmark - benchmark score GeForce GTX 750 Ti vs Radeon HD 6450
GeForce GTX 750 Ti
4020
Radeon HD 6450
203
GeForce GTX 750 Ti
Radeon HD 6450
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
GM107
Caicos
Market segment
Desktop
Desktop
Release date
February 2014
April 2011
Bus support
PCI Express 3.0
PCIe 2.0 x8
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1085 MHz
750 MHz
Core clock speed
1020 MHz
-
CUDA cores
640
-
Floating-point performance
1,389 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
370 million
Pipelines / CUDA cores
640
160
Power consumption (TDP)
60 Watt
30 Watt
Texture fill rate
43.40
5.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
5.4 GB/s
800 MHz
Memory bandwidth
86.4 GB/s
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One mini-HDMI
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
4 displays
-
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
+
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-