GeForce GTX 480 and Radeon HD 8490 OEM - video card comparison
GeForce GTX 480
Radeon HD 8490 OEM
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF100
Caicos
Market segment
Desktop
Desktop
Release date
December 2010
July 2013
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
6-pin & 8-pin
None
SLI options
+
-
Core clock speed
700 MHz
875 MHz
CUDA cores
480
-
Floating-point performance
1,345.0 gflops
280.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
3,100 million
370 million
Pipelines / CUDA cores
480
160
Power consumption (TDP)
295 Watt
35 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
42 billion/sec
7.000
Memory type
GDDR5
DDR3
Maximum RAM amount
1536 MB
1 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
1848 MHz (3696 data rate)
1800 MHz
Memory bandwidth
177.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVI, Mini HDMI
1x DVI, 1x DisplayPort
Multi monitor support
+
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A