GeForce GTX 1080 and Radeon HD 6450 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon HD 6450
GeForce GTX 1080
16002
Radeon HD 6450
203
GeForce GTX 1080
Radeon HD 6450
Architecture
Pascal (2016−2021)
TeraScale 2 (2009−2015)
GPU code name
Pascal GP104
Caicos
Market segment
Desktop
Desktop
Release date
May 2016
April 2011
Bus support
PCIe 3.0
PCIe 2.0 x8
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
None
SLI options
+
-
Boost clock speed
1733 MHz
750 MHz
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
8,873 gflops
200.0 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
7,200 million
370 million
Pipelines / CUDA cores
2560
160
Power consumption (TDP)
180 Watt
30 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
5.000
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
10 GB/s
800 MHz
Memory bandwidth
320 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
DP 1.42, HDMI 2.0b, DL-DVI
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
+
+
DisplayPort support
-
+
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
-
Ansel
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
VR Ready
+
-
ZeroCore
-
-