GeForce GTX 275 and GeForce GT 635M - video card comparison
Passmark - benchmark score GeForce GTX 275 vs GeForce GT 635M
GeForce GTX 275
1458
GeForce GT 635M
578
GeForce GTX 275
GeForce GT 635M
Architecture
Tesla 2.0 (2007−2013)
Fermi (2010−2014)
GPU code name
GT200B
N13E-GE2
Market segment
Desktop
Laptop
Release date
January 2009
December 2011
Bus support
PCI-E 2.0
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Boost clock speed
-
753 MHz
Core clock speed
633 MHz
Up to 675 MHz
CUDA cores
240
Up to 144
Floating-point performance
673.9 gflops
253.4 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
1,400 million
1,170 million
Pipelines / CUDA cores
240
144
Power consumption (TDP)
219 Watt
35 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
Up to 16.2 billion/sec
Memory type
GDDR3
DDR3
Maximum RAM amount
896 MB
2 GB
Memory bus width
448 Bit
Up to 192bit
Memory clock speed
1134 MHz
1800 MHz
Memory bandwidth
127.0 GB/s
Up to 43.2 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVI
No outputs
Multi monitor support
+
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
2048x1536
Up to 2048x1536
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
3.0
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
Optimus
-
+