GeForce GTX 275 and Radeon HD 4870 X2 - video card comparison
Passmark - benchmark score GeForce GTX 275 vs Radeon HD 4870 X2
GeForce GTX 275
1458
Radeon HD 4870 X2
1348
GeForce GTX 275
Radeon HD 4870 X2
Architecture
Tesla 2.0 (2007−2013)
TeraScale (2005−2013)
GPU code name
GT200B
R700
Market segment
Desktop
Desktop
Release date
January 2009
August 2008
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Core clock speed
633 MHz
700 MHz
CUDA cores
240
-
Floating-point performance
673.9 gflops
2x 1,120.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
1,400 million
956 million
Pipelines / CUDA cores
240
800
Power consumption (TDP)
219 Watt
286 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
28.00
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
1 GB
Memory bus width
448 Bit
256 Bit
Memory clock speed
1134 MHz
3600 MHz
Memory bandwidth
127.0 GB/s
115.2 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