
GeForce GTX 275 and GeForce GTX 490 - video card comparison
GeForce GTX 275
GeForce GTX 490
Architecture
Tesla 2.0 (2007−2013)
Fermi (2010−2014)
GPU code name
GT200B
GF100
Market segment
Desktop
Desktop
Release date
January 2009
-
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
SLI options
+
-
Core clock speed
633 MHz
608 MHz
CUDA cores
240
-
Floating-point performance
673.9 gflops
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
1,400 million
3,100 million
Pipelines / CUDA cores
240
480
Power consumption (TDP)
219 Watt
365 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
36.48
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
1536 MB
Memory bus width
448 Bit
384 Bit
Memory clock speed
1134 MHz
3.4 GB/s
Memory bandwidth
127.0 GB/s
164.0 GB/s
Display Connectors
Two Dual Link DVI
3x DVI, 1x mini-DisplayPort
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
2.0
OpenCL
1.1
1.1
OpenGL
3.0
4.6
Shader Model
4.0
5.1
Vulkan
N/A
N/A