
Radeon HD 4870 and GeForce GTX 280M SLI - video card comparison
Radeon HD 4870
GeForce GTX 280M SLI
Architecture
TeraScale (2005−2013)
G9x (2007−2010)
GPU code name
RV770
N10E-GTX
Market segment
Desktop
Laptop
Release date
June 2008
March 2009
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Core clock speed
750 MHz
585 MHz
Floating-point performance
1,200.0 gflops
-
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
1508 Million
Pipelines / CUDA cores
800
256
Power consumption (TDP)
150 Watt
150 Watt
Texture fill rate
30.00
-
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
950 MHz
Memory bandwidth
115.2 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
-
DirectX
10.1 (10_1)
10
CUDA
-
+
OpenCL
1.1
-
OpenGL
3.3
-
Shader Model
4.1
-
Vulkan
N/A
-