
GeForce GTX 1080 Ti and GeForce GTX 490 - video card comparison
GeForce GTX 1080 Ti
GeForce GTX 490
Architecture
Pascal (2016−2021)
Fermi (2010−2014)
GPU code name
GP102
GF100
Market segment
Desktop
Desktop
Release date
February 2017
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 8-pin
SLI options
+
-
Boost clock speed
1600 MHz
-
Core clock speed
1481 MHz
608 MHz
Floating-point performance
11,340 gflops
-
Manufacturing process technology
16 nm
40 nm
Number of transistors
11,800 million
3,100 million
Pipelines / CUDA cores
3584
480
Power consumption (TDP)
250 Watt
365 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
36.48
Memory type
GDDR5X
GDDR5
Maximum RAM amount
11 GB
1536 MB
Memory bus width
352 Bit
384 Bit
Memory clock speed
11000 MHz
3.4 GB/s
Memory bandwidth
484.4 GB/s
164.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
3x DVI, 1x mini-DisplayPort
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_0)
CUDA
+
2.0
OpenCL
1.2
1.1
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
+
N/A
Ansel
+
-
GPU Boost
3.0
-