Radeon HD 6450 and GeForce GTX 1080 11Gbps - video card comparison
Radeon HD 6450
GeForce GTX 1080 11Gbps
Architecture
TeraScale 2 (2009−2015)
Pascal (2016−2021)
GPU code name
Caicos
GP104
Market segment
Desktop
Desktop
Release date
April 2011
April 2017
Bus support
PCIe 2.0 x8
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
750 MHz
1733 MHz
Core clock speed
-
1607 MHz
Floating-point performance
200.0 gflops
8,873 gflops
Manufacturing process technology
40 nm
16 nm
Number of transistors
370 million
7,200 million
Pipelines / CUDA cores
160
2560
Power consumption (TDP)
30 Watt
180 Watt
Texture fill rate
5.000
277.3
Memory type
GDDR5
GDDR5X
Maximum RAM amount
1 GB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
11008 MHz
Memory bandwidth
25.6 GB/s
352.3 GB/s
Memory bandwidth
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 3x DisplayPort
Eyefinity
1
-
Number of Eyefinity displays
4
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 11
12 (12_1)
CUDA
-
6.1
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
-
1.2.131
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-