GeForce GTX 275 and Radeon HD 4860 - video card comparison
GeForce GTX 275
Radeon HD 4860
Architecture
Tesla 2.0 (2007−2013)
TeraScale (2005−2013)
GPU code name
GT200B
RV790
Market segment
Desktop
Desktop
Release date
January 2009
September 2009
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
SLI options
+
-
Core clock speed
633 MHz
700 MHz
CUDA cores
240
-
Floating-point performance
673.9 gflops
896.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
1,400 million
959 million
Pipelines / CUDA cores
240
640
Power consumption (TDP)
219 Watt
130 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
22.40
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
512 MB
Memory bus width
448 Bit
256 Bit
Memory clock speed
1134 MHz
3000 MHz
Memory bandwidth
127.0 GB/s
96 GB/s
Display Connectors
Two Dual Link DVI
2x DVI, 1x S-Video
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
3.0
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A