GeForce GTX 275 and Radeon R2 Graphics - video card comparison
GeForce GTX 275
Radeon R2 Graphics
Architecture
Tesla 2.0 (2007−2013)
GCN 2.0 (2013−2017)
GPU code name
GT200B
Beema
Market segment
Desktop
Desktop
Release date
January 2009
February 2015
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Core clock speed
633 MHz
351 MHz
CUDA cores
240
-
Floating-point performance
673.9 gflops
179.2 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
1,400 million
930 million
Pipelines / CUDA cores
240
128
Power consumption (TDP)
219 Watt
15 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
2.808
Memory type
GDDR3
System Shared
Maximum RAM amount
896 MB
System Shared
Memory bus width
448 Bit
System Shared
Memory clock speed
1134 MHz
System Shared
Memory bandwidth
127.0 GB/s
-
Display Connectors
Two Dual Link DVI
No outputs
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
3.0
4.6
Shader Model
4.0
6.3
Vulkan
N/A
1.2.131