GeForce GTX 1080 Ti and Radeon HD 5450 PCIe x1 - video card comparison
GeForce GTX 1080 Ti
Radeon HD 5450 PCIe x1
Architecture
Pascal (2016−2021)
TeraScale 2 (2009−2015)
GPU code name
GP102
Cedar
Market segment
Desktop
Desktop
Release date
February 2017
February 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x1
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
SLI options
+
-
Boost clock speed
1600 MHz
-
Core clock speed
1481 MHz
650 MHz
Floating-point performance
11,340 gflops
104 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
11,800 million
292 million
Pipelines / CUDA cores
3584
80
Power consumption (TDP)
250 Watt
19 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
5.200
Memory type
GDDR5X
DDR3
Maximum RAM amount
11 GB
512 MB
Memory bus width
352 Bit
64 Bit
Memory clock speed
11000 MHz
1000 MHz
Memory bandwidth
484.4 GB/s
8 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
HDMI
+
+
G-SYNC support
+
-
DirectX
12 (12_1)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
6.4
5.0
Vulkan
+
N/A
Ansel
+
-
GPU Boost
3.0
-