GeForce GTX 770 and Radeon HD 6450 - video card comparison
Passmark - benchmark score GeForce GTX 770 vs Radeon HD 6450
GeForce GTX 770
6099
Radeon HD 6450
203
GeForce GTX 770
Radeon HD 6450
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK104
Caicos
Market segment
Desktop
Desktop
Release date
May 2013
April 2011
Bus support
PCI Express 3.0
PCIe 2.0 x8
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
None
Boost clock speed
1085 MHz
750 MHz
Core clock speed
1046 MHz
-
CUDA cores
1536
-
Floating-point performance
3,333 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
370 million
Pipelines / CUDA cores
1536
160
Power consumption (TDP)
230 Watt
30 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
5.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
7012 MHz
800 MHz
Memory bandwidth
224.3 GB/s
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
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
4.3
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
-
-
PhysX
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-